lock FORD FIESTA 1989 Service User Guide

lubricant, together with dirt and water entry,
resulting in rapid deterioration of the balljoints
or steering gear.
3Check the power-assisted steering fluid
hoses (where fitted) for chafing or
deterioration, and the pipe and hose unions
for fluid leaks. Also check for signs of fluid
leakage under pressure from the steering gear
rubber gaiters, which would indicate failed
fluid seals within the steering gear.
4 Grasp the roadwheel at the 12 o’clock and
6 o’clock positions, and try to rock it. Very
slight free play may be felt, but if the
movement is appreciable, further investigation
is necessary to determine the source.
Continue rocking the wheel while an assistant
depresses the footbrake. If the movement is
now eliminated or significantly reduced, it is
likely that the hub bearings are at fault. If the
free play is still evident with the footbrake
depressed, then there is wear in the
suspension joints or mountings.
5 Now grasp the wheel at the 9 o’clock and 3
o’clock positions, and try to rock it as before.
Any movement felt now may again be caused
by wear in the hub bearings or the steering
track rod balljoints. If the outer track rod end
balljoint is worn, the visual movement will be
obvious. If the inner joint is suspect, it can be
felt by placing a hand over the rack-and-
pinion rubber gaiter, and gripping the track
rod. If the wheel is now rocked, movement will
be felt at the inner joint if wear has taken
place.
6 Using a large screwdriver or flat bar, check
for wear in the suspension mounting bushes
by levering between the relevant suspension
component and its attachment point. Some
movement is to be expected, as the
mountings are made of rubber, but excessive
wear should be obvious. Also check the
condition of any visible rubber bushes,
looking for splits, cracks or contamination of
the rubber.
7 With the vehicle standing on its wheels,
have an assistant turn the steering wheel
back-and-forth, about an eighth of a turn each
way. There should be very little, if any, lost
movement between the steering wheel and
roadwheels. If this is not the case, closely
observe the joints and mountings previously described, but in addition, check the steering
column universal joints for wear, and also
check the rack-and-pinion steering gear itself.
Rear suspension check
8
Chock the front wheels then jack up the
rear of the car and support it on axle stands
(see “Jacking and Vehicle Support” ). Remove
the rear roadwheels.
9 Check the rear hub bearings for wear, using
the method described for the front hub
bearings (paragraph 4).
10 Using a large screwdriver or flat bar,
check for wear in the suspension mounting
bushes by levering between the relevant
suspension component and its attachment
point. Some movement is to be expected, as
the mountings are made of rubber, but
excessive wear should be obvious. Check the
condition of the shock absorbers and their
bushes/mountings. On Van models, check the
leaves of the leaf springs for signs of cracking,
distortion, or other damage.
Roadwheel check and balancing
11 Periodically remove the roadwheels, and
clean any dirt or mud from the inside and
outside surfaces. Examine the wheel rims for
signs of rusting, corrosion or other damage.
Light alloy wheels are easily damaged by
“kerbing” whilst parking, and similarly, steel
wheels may become dented or buckled.
Renewal of the wheel is very often the only
course of remedial action possible.
12 The balance of each wheel and tyre
assembly should be maintained, not only to
avoid excessive tyre wear, but also to avoid
wear in the steering and suspension
components. Wheel imbalance is normally
signified by vibration through the vehicle’s
bodyshell, although in many cases it is
particularly noticeable through the steering
wheel. Conversely, it should be noted that
wear or damage in suspension or steering
components may cause excessive tyre wear.
Out-of-round or out-of-true tyres, damaged
wheels and wheel bearing wear/
maladjustment also fall into this category.
Balancing will not usually cure vibration
caused by such wear.
13 Wheel balancing may be carried out with
the wheel either on or off the vehicle. If balanced on the vehicle, ensure that the
wheel-to-hub relationship is marked in some
way prior to subsequent wheel removal, so
that it may be refitted in its original position.
11 Driveshaft rubber gaiter and
CV joint check
1
1The driveshaft rubber gaiters are very
important, because they prevent dirt, water
and foreign material from entering and
damaging the constant velocity (CV) joints.
External contamination can cause the gaiter
material to deteriorate prematurely, so it’s a
good idea to wash the gaiters with soap and
water occasionally.
2 With the vehicle raised and securely
supported on axle stands, turn the steering
onto full-lock, then slowly rotate each front
wheel in turn. Inspect the condition of the
outer constant velocity (CV) joint rubber
gaiters, squeezing the gaiters to open out the
folds. Check for signs of cracking, splits, or
deterioration of the rubber, which may allow
the escape of grease, and lead to the ingress
of water and grit into the joint (see
illustration) . Also check the security and
condition of the retaining clips. Repeat these
checks on the inner CV joints. If any damage
or deterioration is found, the gaiters should be
renewed as described in Chapter 8.
3 At the same time, check the general
condition of the outer CV joints themselves,
by first holding the driveshaft and attempting
to rotate the wheels. Any appreciable
movement in the CV joint indicates wear in the
joint, wear in the driveshaft splines, or a loose
driveshaft retaining nut. Repeat this check on
the inner joints, by holding the inner joint yoke
and attempting to rotate the driveshaft.
12 Exhaust system check
1
1 With the engine cold (at least three hours
after the vehicle has been driven), check the
complete exhaust system, from its starting
1•16Every 10 000 miles or 12 months
11.2 Check the driveshaft gaiters by hand for cracks and/or leaking grease10.2c Check the condition of the steering rack gaiters10.2b Check the condition of the lowerarm balljoint dust cover (arrowed)
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point at the engine to the end of the tailpipe.
Ideally, this should be done on a hoist, where
unrestricted access is available; if a hoist is
not available, raise and support the vehicle on
axle stands.
2Check the pipes and connections for
evidence of leaks, severe corrosion, or
damage. Make sure that all brackets and
rubber mountings are in good condition, and
tight; if any of the mountings are to be
renewed, ensure that the replacements are of
the correct type (see illustration) . Leakage at
any of the joints or in other parts of the system
will usually show up as a black sooty stain in
the vicinity of the leak. Note: Exhaust sealants
should not be used on any part of the exhaust
system upstream of the catalytic converter -
even if the sealant does not contain additives
harmful to the converter, pieces of it may
break off and foul the element, causing local
overheating.
3 At the same time, inspect the underside of
the body for holes, corrosion, open seams,
etc, which may allow exhaust gases to enter
the passenger compartment. Seal all body
openings with silicone or body putty.
4 Rattles and other noises can often be
traced to the exhaust system, especially the
rubber mountings. Try to move the system,
silencer(s) and catalytic converter. If any
components can touch the body or
suspension parts, secure the exhaust system
with new mountings.
5 Check the running condition of the engine
by inspecting inside the end of the tailpipe;
the exhaust deposits here are an indication
of the engine’s state of tune. The inside of the
tailpipe should be dry, and should vary in
colour from dark grey to light grey/brown; if it
is black and sooty, or coated with white
deposits, the engine is in need of a thorough
fuel system inspection.
13 Underbody and fuel/brake line check
1
1With the vehicle raised and supported on
axle stands or over an inspection pit,
thoroughly inspect the underbody and wheel
arches for signs of damage and corrosion. In
particular, examine the bottom of the side
sills, and any concealed areas where mud can
collect. Where corrosion and rust is evident,
press and tap firmly on the panel with a
screwdriver, and check for any serious
corrosion which would necessitate repairs. If
the panel is not seriously corroded, clean
away the rust, and apply a new coating of
underseal. Refer to Chapter 11 for more
details of body repairs.
2 At the same time, inspect the PVC-coated
lower body panels for stone damage and
general condition.
3 Inspect all of the fuel and brake lines on the
underbody for damage, rust, corrosion and
leakage. Also make sure that they are correctly supported in their clips. Where
applicable, check the PVC coating on the
lines for damage.
14 Brake check
2
Note:
For detailed photographs of the brake
system, refer to Chapter 9.
1 The work described in this Section should
be carried out at the specified intervals, or
whenever a defect is suspected in the braking
system. Any of the following symptoms could
indicate a potential brake system defect:
a) The vehicle pulls to one side when the brake pedal is depressed.
b) The brakes make scraping or dragging
noises when applied.
c) Brake pedal travel is excessive.
d) The brake fluid requires repeated topping-
up.
2 A thorough inspection should be made to
confirm the thickness of the linings, as
follows.
Front brakes
3 Chock the rear wheels then jack up the
front of the car and support it on axle stands
(see “Jacking and Vehicle Support” ).
4 For better access to the brake calipers,
remove the wheels.
5 Look through the inspection window in the
caliper, and check that the thickness of the
friction lining material on each of the pads is
not less than the recommended minimum
thickness given in the Specifications. Note:
Bear in mind that the lining material is normally
bonded to a metal backing plate.
6 If it is difficult to determine the exact
thickness of the pad linings, or if you are at all
concerned about the condition of the pads,
then remove them from the calipers for further
inspection (refer to Chapter 9).
7 Check the remaining brake caliper in the
same way.
8 If any one of the brake pads has worn down to, or below, the specified limit,
all fourpads
must be renewed as a set.
9 Measure the thickness of the discs with a
micrometer, if available, to make sure that they
still have service life remaining. If any disc is
thinner than the specified minimum thickness,
renew it (refer to Chapter 9). In any case,
check the general condition of the discs. Look
for excessive scoring and discolouration
caused by overheating. If these conditions
exist, remove the relevant disc and have it
resurfaced or renewed (refer to Chapter 9).
10 Before refitting the wheels and lowering
the car, check all brake lines and hoses (refer
to Chapter 9). In particular, check the flexible
hoses in the vicinity of the calipers, where
they are subjected to most movement. Bend
them between the fingers (but do not actually
bend them double, or the casing may be
damaged) and check that this does not reveal
previously-hidden cracks, cuts or splits.
Rear brakes
11 Chock the front wheels then jack up the
rear of the car and support it on axle stands
(see “Jacking and Vehicle Support” ).
12 For better access, remove the rear
wheels.
13 To check the brake shoe lining thickness
without removing the brake drums, prise the
rubber plugs from the backplates, and use an
electric torch and mirror to inspect the linings
of the leading brake shoes. Check that the
thickness of the lining material on the brake
shoes is not less than the recommendation
given in the Specifications.
14 If it is difficult to determine the exact
thickness of the brake shoe linings, or if you
are at all concerned about the condition of the
shoes, then remove the rear drums for a more
comprehensive inspection (refer to Chap-
ter 9).
15 With the drum removed, check the shoe
return and hold-down springs for correct
installation, and check the wheel cylinders for
leakage of brake fluid. Check the friction
surface of the brake drums for scoring and
discoloration. If excessive, the drum should
be resurfaced or renewed.
16 Before refitting the wheels, check all
brake lines and hoses (refer to Chapter 9). On
completion, apply the handbrake and check
that the rear wheels are locked. The
handbrake also requires periodic adjustment,
and if its travel seems excessive, refer to
Section 27.
15 Roadwheel nut tightness check
1
1Apply the handbrake.
2 Remove the wheel covers, using the flat
end of the wheelbrace supplied in the tool kit
(on some models it will be necessary to
unscrew the retaining bolts with a special
key).
Every 10 000 miles or 12 months1•17
12.2 Ensure that the exhaust system
rubber mountings replacements are of the correct type - their colour is a good guide. Those nearest to the catalytic converterare more heat-resistant than the others
1
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3Check that the roadwheel nuts are tightened
to the specified torque wrench setting.
4 Refit the wheel covers.
16 Door, tailgate and bonnet
check and lubrication
1
1Check that the doors and tailgate/boot lid
close securely. Check that the bonnet safety
catch operates correctly. Check the operation
of the door check straps.
2 Lubricate the hinges, door check straps,
the striker plates and the bonnet catch
sparingly with a little oil or grease.
17 Seat belt check
1
1 Check the seat belts for satisfactory
operation and condition. Inspect the webbing
for fraying and cuts. Check that they retract
smoothly and without binding into their reels.
2 Check that the seat belt mounting bolts are
tight, and if necessary tighten them to the
specified torque wrench settings as given in
Chapter 11.
18 Bodywork, paint and exterior trim check
1
1The best time to carry out this check is after
the car has been washed so that any surface
blemish or scratch will be clearly evident and
not hidden by a film of dirt.
2 Starting at one front corner check the
paintwork all around the car, looking for minor
scratches or more serious dents. Check all
the trim and make sure that it is securely
attached over its entire length.
3 Check the security of all door locks, door
mirrors, badges, bumpers, front grille and
wheel trim. Anything found loose, or in need of
further attention should be done with reference
to the relevant Chapters of this manual.
4 Rectify any problems noticed with the
paintwork or body panels as described in
Chapter 11.
19 Road test
1
Check the operation and
performance of the braking
system
1 Make sure that the vehicle does not pull to
one side when braking, and that the wheels
do not lock prematurely when braking hard.
2 Check that there is no vibration through the
steering when braking. 3
Check that the handbrake operates
correctly, without excessive movement of the
lever, and that it holds the vehicle stationary
on a slope.
4 Test the operation of the brake servo unit
as follows. With the engine switched off,
depress the footbrake four or five times to
exhaust the vacuum, then hold the pedal
depressed. Start the engine, and there should
be a noticeable “give” in the brake pedal as
vacuum builds up. Allow the engine to run for
at least two minutes, and then switch it off. If
the brake pedal is depressed again, it should
be possible to detect a hiss from the servo as
the pedal is depressed. After about four or five
applications, no further hissing should be
heard, and the pedal should feel considerably
firmer.
Steering and suspension
5 Check for any abnormalities in the steering,
suspension, handling or road “feel”.
6 Drive the vehicle, and check that there are
no unusual vibrations or noises.
7 Check that the steering feels positive, with
no excessive sloppiness or roughness, and
check for any suspension noises when
cornering and driving over bumps.
Drivetrain
8 Check the performance of the engine,
transmission and driveshafts.
9 Check that the engine starts correctly, both
when cold and when hot.
10 Listen for any unusual noises from the
engine and transmission.
11 Make sure that the engine runs smoothly
when idling, and that there is no hesitation
when accelerating.
12 On manual transmission models, check
that all gears can be engaged smoothly
without noise, and that the gear lever action is
not abnormally vague or “notchy”.
13 On automatic transmission models, make
sure that the drive seems smooth without
jerks or engine speed “flare-ups”. Check that
all the gear positions can be selected with the
vehicle at rest. If any problems are found, they
should be referred to a Ford dealer.
14 Listen for a metallic clicking sound from
the front of the vehicle, as the vehicle is driven
slowly in a circle with the steering on full-lock.
Carry out this check in both directions. If a
clicking noise is heard, this indicates wear in a
driveshaft joint, in which case renew the joint
if necessary.
Clutch
15 Check that the clutch pedal moves
smoothly and easily through its full travel, and
that the clutch itself functions correctly, with
no trace of slip or drag. If the movement is
uneven or stiff in places, check that the cable
is routed correctly, with no sharp turns.
16 Inspect both ends of the clutch inner
cable, both at the transmission end and inside
the car, for signs of wear and fraying.
Instruments and electrical
equipment
17 Check the operation of all instruments
and electrical equipment.
18 Make sure that all instruments read
correctly, and switch on all electrical equipment
in turn, to check that it functions properly.
20 Automatic transmission fluid level check
1
1The level of the automatic transmission fluid
should be carefully maintained. Low fluid level
can lead to slipping or loss of drive, while
overfilling can cause foaming, loss of fluid and
transmission damage.
2 The transmission fluid level should only be
checked when the transmission is hot (at its
normal operating temperature). If the vehicle
has just been driven over 10 miles (15 miles in
a cold climate), and the fluid temperature is 60
to 70ºC, the transmission is hot.
Caution: If the vehicle has just been driven
for a long time at high speed or in city
traffic in hot weather, or if it has been
pulling a trailer, an accurate fluid level
reading cannot be obtained. In these
circumstances, allow the fluid to cool
down for about 30 minutes.
3 Park the vehicle on level ground, apply the
handbrake, and start the engine. While the
engine is idling, depress the brake pedal and
move the selector lever through all the gear
positions three times, beginning and ending in
“P”.
4 Allow the engine to idle for one minute, then
(with the engine still idling) remove the
dipstick from its tube. Note the condition and
colour of the fluid on the dipstick.
5 Wipe the fluid from the dipstick with a clean
rag, and re-insert it into the filler tube until the
cap seats.
6 Pull the dipstick out again, and note the
fluid level. The level should be between
the “MIN” and “MAX” marks. If the level is
on the “MIN” mark, stop the engine, and add
the specified automatic transmission fluid
through the dipstick tube, using a clean funnel
if necessary. It is important not to introduce
dirt into the transmission when topping-up.
7 Add the fluid a little at a time, and keep
checking the level as previously described
until it is correct. The difference between the
“MIN” and “MAX” marks on the dipstick is
approximately 0.4 litres.
8 The need for regular topping-up of the
transmission fluid indicates a leak, which
should be found and rectified without delay.
9 The condition of the fluid should also be
checked along with the level. If the fluid on the
dipstick is black or a dark reddish-brown
colour, or if it has a burned smell, the fluid
should be changed. If you are in doubt about
the condition of the fluid, purchase some new
fluid, and compare the two for colour and smell.
1•18Every 10 000 miles or 12 months
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23 Coolant renewal
1
Note: If the antifreeze used is Ford’s own, the
coolant need not be renewed for the life of the
vehicle. If the vehicle’s history is unknown, if
antifreeze of lesser quality is known to be in
the system, or simply if you prefer to follow
conventional servicing intervals, the coolant
should be changed periodically (typically,
every 3 years) as described here. Refer also to
“Antifreeze - notes on renewal” in this
Section.
Warning: Do not allow
antifreeze to come in contact
with your skin or painted
surfaces of the vehicle. Flush
contaminated areas immediately with
plenty of water. Don’t store new coolant,
or leave old coolant lying around, where
it’s accessible to children or pets - they’re
attracted by its sweet smell. Ingestion of
even a small amount of coolant can be
fatal! Wipe up garage-floor and drip-pan
spills immediately. Keep antifreeze
containers covered, and repair cooling
system leaks as soon as they’re noticed.
Warning: Never remove the expansion
tank filler cap when the engine is running,
or has just been switched off, as the
cooling system will be hot, and the
consequent escaping steam and scalding
coolant could cause serious injury.
Coolant draining
Warning: Wait until the engine is
cold before starting this
procedure.
1 To drain the system, first remove the
expansion tank filler cap (see “Weekly
Checks” ).
2 If additional working clearance is required,
raise the front of the vehicle and support it securely on axle stands (see
“Jacking and
Vehicle Support” ).
3 Place a large drain tray beneath the
radiator, and unscrew the radiator drain plug -
you can use a small coin to do this, as the
plug’s slotted for this purpose (see
illustration) . Direct as much of the escaping
coolant as possible into the tray.
System flushing
4 With time, the cooling system may gradually
lose its efficiency, as the radiator core
becomes choked with rust, scale deposits
from the water, and other sediment (refer also
to “Antifreeze - notes on renewal” later in this
S ection). To minimise this, as well as using
only good-quality antifreeze and clean soft
water, the system should be flushed as follows
whenever any part of it is disturbed, and/or
when the coolant is renewed.
5 With the coolant drained, refit the drain
plug, and refill the system with fresh water.
Refit the expansion tank filler cap, start the
engine and warm it up to normal operating
temperature, then stop it and (after allowing it
to cool down completely) drain the system
again. Repeat as necessary until only clean
water can be seen to emerge, then refill finally
with the specified coolant mixture as
described below.
6 If only clean, soft water and good-quality
antifreeze (even if not to Ford’s specification)
has been used, and the coolant has been
renewed at the suggested intervals, the above
procedure will be sufficient to keep the
system clean for a considerable length of
time. If, however, the system has been
neglected, a more thorough operation will be
required, as follows.
7 First drain the coolant, then disconnect the
radiator top and bottom hoses. Insert a
garden hose into the top hose, and allow
water to circulate through the radiator until it
runs clean from the bottom outlet.
8 To flush the engine, insert the garden hose
into the thermostat water outlet, and allow
water to circulate until it runs clear from the
bottom hose. If, after a reasonable period, the
water still does not run clear, the radiator
should be flushed with a good proprietary
cleaning agent.
9 In severe cases of contamination, reverse-
flushing of the radiator may be necessary. To
do this, remove the radiator (Chapter 3), invert
it, and insert the garden hose into the bottom
outlet. Continue flushing until clear water runs
from the top hose outlet. A similar procedure
can be used to flush the heater matrix.
10 The use of chemical cleaners should be
necessary only as a last resort. Normally,
regular renewal of the coolant will prevent
excessive contamination of the system.
Coolant filling
11 With the cooling system drained and
flushed, ensure that all disturbed hose unions
are correctly secured, and that the radiator
drain plug is securely tightened. If it was
raised, lower the vehicle to the ground.
12 Prepare a sufficient quantity of the
specified coolant mixture (see below); allow
for a surplus, so as to have a reserve supply
for topping-up.
13 Slowly fill the system through the
expansion tank; since the tank is the highest
point in the system, all the air in the system
should be displaced into the tank by the rising
liquid. Slow pouring reduces the possibility of
air being trapped and forming airlocks.
14 Continue filling until the coolant level
reaches the expansion tank “MAX” level line,
then cover the filler opening to prevent
coolant splashing out.
15 Start the engine and run it at idle speed,
until it has warmed-up to normal operating
temperature and the radiator cooling fan has
cut in; watch the temperature gauge to check
for signs of overheating. If the level in the
expansion tank drops significantly, top-up to
the “MAX” level line, to minimise the amount
of air circulating in the system.
16 Stop the engine, allow it to cool down
completely (overnight, if possible), then
uncover the expansion tank filler opening and
top-up the tank to the “MAX” level line. Refit
the filler cap, tightening it securely, and wash
off any spilt coolant from the engine
compartment and bodywork.
17 After refilling, always check carefully all
components of the system (but especially any
unions disturbed during draining and flushing)
for signs of coolant leaks. Fresh antifreeze has
a searching action, which will rapidly expose
any weak points in the system.
18 If, after draining and refilling the system,
symptoms of overheating are found which did
not occur previously, then the fault is almost
certainly due to trapped air at some point in
the system, causing an airlock and restricting
the flow of coolant; usually, the air is trapped
because the system was refilled too quickly.
In some cases, airlocks can be released by
tapping or squeezing the various hoses. If the
problem persists, stop the engine and allow it
to cool down completely, before unscrewing
the expansion tank filler cap or disconnecting
hoses to bleed out the trapped air.
Antifreeze mixture
19 If the antifreeze used is not to Ford’s
specification, it should always be renewed at
the suggested intervals (typically, every 2 or
3 years). This is necessary not only to maintain
the antifreeze properties, but also to prevent
Every 30 000 miles (48 000 km) or three years, whichever
comes first
Every 30 000 miles or three years 1•21
23.3 Drain plug location at the base of the radiator - use a coin to unscrew the plug
1
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engine idling, the hot-air inlet is open to allow
warm air from the exhaust manifold area to
enter the air cleaner. If the flap operates as
described, it is functioning correctly (see
illustration) .
21 If the flap fails to operate as described,
check the condition of the vacuum pipe and
its connections, and check that the flap valve
has not seized. If these are in order, either the
temperature sensor or vacuum actuator is
faulty, and a new air cleaner assembly must
be obtained. Refit the main air duct on
completion.
25 Emission control system
check
1
General
1Of the emission control systems that may
be fitted, only the crankcase ventilation
system and the evaporative emission control
systems require regular checking, and even
then, the components of these systems
require minimal attention.
2 Should it be felt that the other systems are
not functioning correctly, the advice of a
dealer should be sought.
Crankcase ventilation system
3 The function of the crankcase ventilation
system is to reduce the emission of unburned
hydrocarbons from the crankcase, and to
minimise the formation of oil sludge. By
ensuring that a depression is created in the
crankcase under most operating conditions,
particularly at idle, and by positively inducing
fresh air into the system, the oil vapours and
“blow-by” gases collected in the crankcase
are drawn from the crankcase, through the air
cleaner or oil separator, into the inlet tract, to
be burned by the engine during normal
combustion.
4 On HCS engines, the system consists of a
vented oil filler cap (with an integral mesh
filter) and a hose connecting it to the oil
separator/engine breather valve connector on
the underside of the air cleaner housing. A further hose leads from the adapter/filter to
the inlet manifold.
5
On CVH engines, a closed-circuit type
crankcase ventilation system is used, the
function of which is basically the same as that
described for the HCS engine types, but the
breather hose connects directly to the rocker
cover. A separate filter is fitted in the hose to
the rocker cover in certain applications (see
illustration) .
6 The system fitted to the PTE engines is
similar to that used on the earlier (CVH)
engines on which these engines are based,
but with revisions to the hose arrangement to
suit the remotely sited air cleaner and fuel
injection system layout.
7 On Zetec engines, the crankcase ventilation
system main components are the oil
separator mounted on the front (radiator) side
of the cylinder block/crankcase, and the
Positive Crankcase Ventilation (PCV) valve set
in a rubber grommet in the separator’s left-
hand upper end. The associated pipework
consists of a crankcase breather pipe and two
flexible hoses connecting the PCV valve to a
union on the left-hand end of the inlet
manifold, and a crankcase breather hose
connecting the cylinder head cover to the air
cleaner assembly. A small foam filter in the
air cleaner prevents dirt from being drawn
directly into the engine.
8 Check that all components of the system
are securely fastened, correctly routed (with
no kinks or sharp bends to restrict flow) and in
sound condition; renew any worn or damaged
components.
9 On HCS engines, remove and inspect the
oil filler cap to ensure that it is in good
condition, and not blocked up with sludge.
10 Disconnect the hoses at the cap, and
clean the cap if necessary by brushing the
inner mesh filter with petrol, and blowing
through with light pressure from an air line.
Renew the cap if it is badly congested.
11 If oil leakage is noted, disconnect the
various hoses and pipes, and check that all
are clear and unblocked. Remove the air
cleaner lid, and check that the hose from the
cylinder head cover to the air cleaner housing
is clear and undamaged. 12
Where fitted, the PCV valve is designed to
allow gases to flow out of the crankcase only,
so that a depression is created in the
crankcase under most operating conditions,
particularly at idle. Therefore, if either the oil
separator or the PCV valve are thought to be
blocked, they must be renewed (see Chap-
ter 4E). In such a case, however, there is
nothing to be lost by attempting to flush out
the blockage using a suitable solvent. The
PCV valve should rattle when shaken.
13 While the air filter element is removed (see
Section 24), wipe out the housing, and on
Zetec engines, withdraw the small foam filter
from its location in the rear right-hand corner
of the housing (see illustration) . If the foam is
badly clogged with dirt or oil, it must be
cleaned by soaking it in a suitable solvent,
and allowed to dry before being refitted.
Evaporative emission control
systems
14 Refer to the checks contained in Chap-
ter 4E.
26 Automatic transmission fluid renewal
1
1The automatic transmission fluid should
only be changed when the transmission is
cold.
2 Position the vehicle over an inspection pit,
on vehicle ramps, or jack it up and securely
support it on axle stands, but make sure that
it is level.
3 Place a suitable container beneath the drain
plug on the transmission sump pan. Remove
the transmission fluid dipstick to speed up the
draining operation.
4 Thoroughly clean the area around the drain
plug in the transmission sump pan, then
unscrew the plug and allow the fluid to drain
into the container.
5 When all the fluid has drained (this may take
quite some time) clean the drain plug, then
refit it together with a new seal and tighten it
securely.
6 Place a funnel with a fine mesh screen in
the dipstick tube, and fill the transmission with
1•24Every 30 000 miles or three years
25.13 The crankcase ventilation system foam filter is located in the air cleaner housing on Zetec engines25.5 Crankcase ventilation system filter on CVH engines
24.20 Air cleaner inlet and flap valve onthe CVH engine
A Flap open (cool air inlet closed)
B Warm air inlet
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the specified type of fluid. It is essential that
no dirt is introduced into the transmission
during this operation.
7Depending on the extent to which the fluid
was allowed to drain, it is possible that the
amount of fluid required when filling the
transmission may be more than the specified
amount (see “Lubricants, fluids and tyre
pressures” ). However, due to fluid remaining in
the system, it is more likely that less than the
specified amount will be required. Add about
half the specified amount, then run the engine
up to its normal operating temperature and
check the level on the dipstick. When the level
approaches the maximum mark, proceed as
detailed in Section 20 to check the level and
complete the final topping-up as described.
27 Handbrake adjustment
3
1 Chock the front wheels then jack up the
rear of the car and support it on axle stands
(see “Jacking and Vehicle Support” ). Fully
release the handbrake.
2 Check that the handbrake cables are
correctly routed and secured by the retaining
clips at the appropriate points under the vehicle.
3 The handbrake is checked for adjustment
by measuring the amount of movement
possible in the handbrake adjuster plungers.
These are located on the inside face of each
rear brake backplate (see illustration) . Thetotal movement of the two plungers combined
should be between 0.5 and 2.0 mm. If the
movement measured is outside of this
tolerance, the handbrake is in need of
adjustment. Adjustment is made altering the
position of the in-line cable adjuster sleeve.
4
When adjustment to the handbrake is
necessary, a new adjustment sleeve locking
pin will be required, and this must therefore
be obtained before making the adjustment.
5 To adjust the handbrake, first ensure that it
is fully released, then firmly apply the
footbrake a few times to ensure that the rear
brake adjustment is taken up by the automatic
adjusters. Extract the locking pin from
the adjuster sleeve (see illustration), then
turn the sleeve to set the combined move-
ment of the plungers within the tolerance range specified (0.5 to 2.0 mm). Turn the
locking nut by hand as tight as is possible
(two clicks) against the adjustment sleeve.
Now grip the locknut with a suitable wrench,
and turn it a further two clicks (maximum).
6
Secure the adjustment by inserting the new
lock pin.
7 Check that the operation of the handbrake
is satisfactory, then lower the vehicle to the
ground, apply the handbrake and remove the
chocks from the front wheels.
28 Front wheel alignment check
4
Refer to Chapter 10, Section 29.
Every 30 000 miles or three years1•25
27.5 Handbrake cable adjuster locking
pin (A), locknut (B) and adjuster sleeve (C)27.3 Handbrake adjustment plunger
located on the inside face of each rear brake backplate
1
1595Ford Fiesta Remake
Every 40 000 miles
29 Timing belt renewal
4
Refer to Chapter 2, Part B or C as
applicable.
Every 60 000 miles
30 Fuel filter renewal
1
Warning: Petrol is extremely
flammable, so extra precautions
must be taken when working on
any part of the fuel system. Do
not smoke, or allow open flames or bare
light bulbs, near the work area. Also, do
not work in a garage if a natural gas-type appliance with a pilot light is present.
While performing any work on the fuel system, wear safety glasses, and have a
suitable (Class B) fire extinguisher on
hand. If you spill any fuel on your skin,
rinse it off immediately with soap and
water.
1
On fuel injection engines, an in-line fuel
filter is provided in the fuel pump outlet line.
The filter is located in the engine compartment
either below and behind the battery, or on the
left-hand side of the engine compartment
bulkhead. The renewal procedure is the same
for both locations. The filter performs a vital
role in keeping dirt and other foreign matter
out of the fuel system, and so must be renewed at regular intervals, or whenever you
have reason to suspect that it may be
clogged. It is always unpleasant working
under a vehicle - pressure-washing or hosing
clean the underbody in the filter’s vicinity will
make working conditions more tolerable, and
will reduce the risk of getting dirt into the fuel
system.
2
Depressurise the fuel system as described
in the relevant Part of Chapter 4.
3 Disconnect the battery negative (earth) lead
(refer to Chapter 5A, Section 1), then position
a suitable container beneath the fuel filter to
catch escaping fuel. Have a rag handy to soak
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up the fuel when the feed and outlet pipe
unions are disconnected.
4On models without quick-release couplings
on the fuel lines, slowly slacken the fuel feed
pipe union allowing the pressure in the fuel
pipe to reduce. When the pressure is fully
released, disconnect the fuel feed and outlet
pipe unions.
5 On models with quick-release couplings on
the fuel lines, release the fuel feed and outlet
pipe unions from the filter, by squeezing
together the protruding locking lugs on each
union, and carefully pulling the union off the
filter stub (see illustration) . Where the unions are colour-coded, the feed and outlet pipes
cannot be confused; where both unions are
the same colour, note carefully which pipe is
connected to which filter stub, and ensure that
they are correctly reconnected on refitting.
6
Noting the arrows and/or other markings on
the filter showing the direction of fuel flow
(towards the engine), slacken the filter clamp
bolt and withdraw the filter from the car (see
illustrations) . Note that the filter will still
contain fuel; care should be taken, to avoid
spillage and to minimise the risk of fire.
7 On installation, slide the filter into its clamp
so that the arrow marked on it faces the correct way, then reconnect and tighten the
pipe unions or slide each pipe union on to its
(correct) respective filter stub, and press it
down until the locking lugs click into their
groove. Tighten the clamp bolt carefully, until
the filter is just prevented from moving; do not
overtighten, or the filter casing may be
crushed.
8
Refit the fuel pump fuse and reconnect the
battery earth terminal, then switch the ignition
on and off five times, to pressurise the
system. Check for any sign of fuel leakage
around the filter unions before lowering the
vehicle to the ground and starting the engine.
1•26Every 60 000 miles
30.6b Removing the bulkhead mounted fuel filter. Clamp bolt (arrowed)30.6a Fuel filter location below battery
showing clamp bolt (arrowed). Note fuel flow direction arrows on filter body30.5 Releasing the fuel pipe unions fromthe filter on models with quick-release couplings
1595Ford Fiesta Remake
Every 3 years
31 Brake fluid renewal
3
The procedure is similar to that for the
bleeding of the hydraulic system as described
in Chapter 9, except that the brake fluid
reservoir should be emptied by syphoning,
and allowance should be made for the old
fluid to be removed from the circuit when
bleeding a section of the circuit.
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2A
1595Ford Fiesta Remake
General
Engine type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . . . . Four-cylinder, in-line overhead valve
Engine code:1.0 litre carburettor models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TLB
1.1 litre carburettor models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GUE or GUD
1.1 litre CFi fuel injection models . . . . . . . . . . . . . . . . . . . . . . . . . . . . G6A
1.3 litre carburettor models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . JBC
1.3 litre CFi fuel injection models . . . . . . . . . . . . . . . . . . . . . . . . . . . . J6B
Capacity: 1.0 litre models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . 999 cc
1.1 litre models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . 1118 cc
1.3 litre models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . 1297 cc
Bore:
1.0 and 1.1 litre models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68.68 mm
1.3 litre models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . 73.96 mm
Stroke:
1.0 litre models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . 67.40 mm
1.1 and 1.3 litre models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75.48 mm
Compression ratio:
Carburettor models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . 9.5:1
CFi fuel injection models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.8:1
Firing order . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . . . . 1-2-4-3 (No 1 cylinder at timing chain end)
Direction of crankshaft rotation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Clockwise (seen from right-hand side of vehicle)
Valves
Valve clearance (cold): Inlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . . . . . . . . 0.20 mm
Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . . . . . 0.30 mm
Chapter 2 Part A:
HCS engine in-car repair procedures
Auxiliary drivebelt check and renewal . . . . . . . . . . . . . . .See Chapter 1
Compression test - description and interpretation . . . . . . . . . . . . . . 2
Crankshaft oil seals - renewal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Crankshaft pulley - removal and refitting . . . . . . . . . . . . . . . . . . . . . 8
Cylinder head - removal and refitting . . . . . . . . . . . . . . . . . . . . . . . . 7
Cylinder head rocker cover - removal and refitting . . . . . . . . . . . . . . 4
Cylinder head rocker gear - removal, inspection and refitting . . . . . 6
Engine oil and filter renewal . . . . . . . . . . . . . . . . . . . . . . .See Chapter 1
Engine oil level check . . . . . . . . . . . . . . . . . . . . . .See
“Weekly Checks”
Engine/transmission mountings - inspection and renewal . . . . . . . . 15 Flywheel - removal, inspection and refitting . . . . . . . . . . . . . . . . . . . 16
General information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . 1
Oil pump - dismantling, inspection and reassembly . . . . . . . . . . . . . 13
Oil pump - removal and refitting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Sump - removal and refitting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Timing chain cover - removal and refitting . . . . . . . . . . . . . . . . . . . . 9
Timing chain, sprockets and tensioner - removal, inspection
and refitting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . 10
Top Dead Centre (TDC) for No 1 piston - locating . . . . . . . . . . . . . . 3
Valve clearances - checking and adjustment . . . . . . . . . . . . . . . . . . 5
2A•1
Specifications Contents
Easy, suitable for
novice with little
experience Fairly easy,
suitable
for beginner with
some experience Fairly difficult,
suitable for competent
DIY mechanic
Difficult,
suitable for
experienced DIY
mechanic Very difficult,
suitable for expert DIY
or professional
Degrees of difficulty
54321
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Lubrication
Engine oil type/specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See “Lubricants, fluids and tyre pressures”
Engine oil capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . See “Lubricants, fluids and tyre pressures”
Oil pressure: At idle speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . 0.60 barsAt 2000 rpm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . 1.50 bars
Oil pump clearances: Outer rotor-to-body . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . 0.14 to 0.26 mm
Inner rotor-to-outer rotor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.051 to 0.127 mm
Rotor endfloat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . 0.025 to 0.06 mm
Torque wrench settingsNm lbf ft
Camshaft thrust plate bolts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4
Camshaft sprocket bolt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. 1813
Crankshaft pulley bolt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . 115 85
Rocker shaft pedestal bolts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4332
Flywheel bolts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . . 6749
Sump: Stage 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . . . . . 7 5
Stage 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . . . . . 9 7
Stage 3 (with engine warm) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 7
Oil pressure switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . 1410
Cylinder head bolts (may be re-used once only): Stage 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . . . . . 3022
Stage 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . . . . . Angle-tighten a further 90º
Stage 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . . . . . Angle-tighten a further 90º
Timing chain tensioner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . 8 6
Timing chain cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . 9 7
Crankshaft rear oil seal housing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1813
Rocker cover bolts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . 5 4
Oil pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . . . . . . 1813
Oil pump cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .\
. . . . . . . . 9 7
Engine mountings: Engine mounting (right-hand):Bolt to body (in wheel arch) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 to 58 30 to 43
Nut to body (by suspension strut) . . . . . . . . . . . . . . . . . . . . . . . . . . 41 to 58 30 to 43
Bracket to cylinder block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54 to 72 40 to 53
Rubber insulator to bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 to 95 52 to 70
Transmission mounting fasteners . . . . . . . . . . . . . . . . . . . . . . . . . . . . Refer to Chapter 7A or 7B
Note: Refer to Part D of this Chapter for remaining torque wrench settings.
2A•2 HCS engine in-car repair procedures
1595Ford Fiesta Remake
1 General information
How to use this Chapter
This Part of Chapter 2 is devoted to repair
procedures possible while the engine is still
installed in the vehicle, and includes only the
Specifications relevant to those procedures.
Similar information concerning the 1.4 and
1.6 litre CVH and PTE engines, and the 1.6
and 1.8 litre Zetec engines, will be found in
Parts B and C of this Chapter respectively.
Since these procedures are based on the
assumption that the engine is installed in the
vehicle, if the engine has been removed from
the vehicle and mounted on a stand, some
of the preliminary dismantling steps outlined
will not apply. Information concerning engine/transmission
removal and refitting, and engine overhaul, can
be found in Part D of this Chapter, which also
includes the Specifications relevant to those
procedures.
Engine description
The engine is an overhead valve, water-
cooled, four cylinder in-line design,
designated HCS (High Compression Swirl).
The engine is mounted transversely at the
front of the vehicle together with the
transmission to form a combined power unit. The crankshaft is supported in three or five
shell-type main bearings. The connecting rod
big-end bearings are also split shell-type, and
are attached to the pistons by interference-fit
gudgeon pins. Each piston is fitted with two
compression rings and one oil control ring. The camshaft, which runs on bearings
within the cylinder block, is chain-driven from
the crankshaft, and operates the valves via
pushrods and rocker arms. The valves are
each closed by a single valve spring, and
operate in guides integral in the cylinder head. The oil pump is mounted externally on the
crankcase, incorporates a full-flow oil filter,
and is driven by a skew gear on the camshaft.
On carburettor versions, the fuel pump is also
driven from the camshaft, via an eccentric
lobe.
Repair operations possible with
the engine in the car
The following work can be carried out with
the engine in the car:
a) Compression pressure - testing.
b) Cylinder head rocker cover - removal
and refitting.
c) Valve clearances - adjustment.
d) Rocker shaft assembly - removal,
inspection and refitting.
e) Cylinder head - removal and refitting
f) Cylinder head and pistons - decarbonising.
g) Crankshaft pulley - removal and refitting.
h) Crankshaft oil seals - renewal.
i) Timing chain, sprockets and tensioner -
removal, inspection and refitting.
j) Oil filter renewal.
k) Oil pump - removal and refitting.
l) Sump - removal and refitting.
m) Flywheel - removal, inspection and
refitting.
n) Engine/transmission mountings -
inspection and renewal.
Note: It is possible to remove the pistons and
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connecting rods (after removing the cylinder
head and sump) without removing the engine.
However, this is not recommended. Work of
this nature is more easily and thoroughly
completed with the engine on the bench, as
described in Chapter 2D.
2 Compression test-
description and interpretation
2
1 When engine performance is down, or if
misfiring occurs which cannot be attributed to
the ignition or fuel systems, a compression
test can provide diagnostic clues as to the
engine’s condition. If the test is performed
regularly, it can give warning of trouble before
any other symptoms become apparent.
2 The engine must be fully warmed-up to
normal operating temperature, the oil level
must be correct and the battery must be fully
charged. The aid of an assistant will also be
required.
3 On fuel injection engines, refer to Chap-
ter 12 and remove the fuel pump fuse from the
fusebox. Now start the engine and allow it to
run until it stalls.
4 Disable the ignition system by
disconnecting the multi-plug from the DIS or
E-DIS ignition coil. Remove all the spark plugs
with reference to Chapter 1 if necessary.
5 Fit a compression tester to the No 1
cylinder spark plug hole - the type of tester
which screws into the plug thread is to be
preferred.
6 Arrange for an assistant to hold the
accelerator pedal fully depressed to the floor,
while at the same time cranking the engine
over for several seconds on the starter motor.
Observe the compression gauge reading. The
compression will build up fairly quickly in a
healthy engine. Low compression on the first
stroke, followed by gradually-increasing
pressure on successive strokes, indicates
worn piston rings. A low compression on the
first stroke which does not rise on successive
strokes, indicates leaking valves or a blown
head gasket (a cracked cylinder head could
also be the cause). Deposits on the underside
of the valve heads can also cause low
compression. Record the highest gauge
reading obtained, then repeat the procedure
for the remaining cylinders.
7 Due to the variety of testers available, and
the fluctuation in starter motor speed when
cranking the engine, different readings
are often obtained when carrying out
the compression test. For this reason, actual
compression pressure figures are not quoted
by Ford. However, the most important factor
is that the compression pressures are uniform
in all cylinders, and that is what this test is
mainly concerned with.
8 Add some engine oil (about three squirts
from a plunger type oil can) to each cylinder
through the spark plug holes, and then repeat
the test. 9
If the compression increases after the oil is
added, it is indicative that the piston rings are
definitely worn. If the compression does not
increase significantly, the leakage is occurring
at the valves or the head gasket. Leakage
past the valves may be caused by burned
valve seats and/or faces, or warped, cracked
or bent valves.
10 If two adjacent cylinders have equally low
compressions, it is most likely that the head
gasket has blown between them. The
appearance of coolant in the combustion
chambers or on the engine oil dipstick would
verify this condition.
11 If one cylinder is about 20 percent lower
than the other, and the engine has a slightly
rough idle, a worn lobe on the camshaft could
be the cause.
12 On completion of the checks, refit the
spark plugs and reconnect the HT leads and
the ignition coil plug. Refit the fuel pump fuse
to the fusebox.
3 Top Dead Centre (TDC) for No 1 piston - locating
2
1Top dead centre (TDC) is the highest point
of the cylinder that each piston reaches as the
crankshaft turns. Each piston reaches its TDC
position at the end of its compression stroke,
and then again at the end of its exhaust
stroke. For the purpose of engine timing, TDC
at the end of the compression stroke for No 1
piston is used. On the HCS engine, No 1
cylinder is at the crankshaft pulley/timing
chain end of the engine. Proceed as follows.
2 Ensure that the ignition is switched off.
Disconnect the HT leads from the spark plugs,
then unscrew and remove the plugs as
described in Chapter 1.
3 Turn the engine over by hand (using a
spanner on the crankshaft pulley) to the point
where the timing mark on the crankshaft
pulley aligns with the TDC (0) mark or TDC
reference pointer on the timing cover (see
illustration) . As the pulley mark nears the
timing mark, the No 1 piston is simultaneously
approaching the top of its cylinder. To ensure
that it is on its compression stroke, place a
finger over the No 1 cylinder plug hole, and feel to ensure that air pressure exits from the
cylinder as the piston reaches the top of its
stroke.
4
A further check to ensure that the piston is
on its compression stroke can be made by
first removing the air cleaner (refer to the
relevant Part of Chapter 4), then unbolting and
removing the rocker cover, so that the
movement of the valves and rockers can be
observed.
5 With the TDC timing marks on the
crankshaft pulley and timing cover in
alignment, rock the crankshaft back and forth
a few degrees each side of this position, and
observe the action of the valves and rockers
for No 1 cylinder. When No 1 piston is at the
TDC firing position, the inlet and exhaust valve
of No 1 cylinder will be fully closed, but the
corresponding valves of No 4 cylinder will be
seen to rock open and closed.
6 If the inlet and exhaust valves of No 1
cylinder are seen to rock whilst those of
No 4 cylinder are shut, the crankshaft will
need to be turned one full rotation to bring
No 1 piston up to the top of its cylinder on the
compression stroke.
7 Once No 1 cylinder has been positioned at
TDC on the compression stroke, TDC for any
of the other cylinders can then be located by
rotating the crankshaft clockwise (in its
normal direction of rotation), 180º at a time,
and following the firing order (see
Specifications).
4 Cylinder head rocker cover -
removal and refitting
1
Removal
1 Where necessary for access, remove the air
cleaner as described in the relevant Part of
Chapter 4.
2 Detach the HT leads from the spark plugs.
Pull on the connector of each lead (not the
lead itself), and note the order of fitting.
3 Remove the engine oil filler cap and
breather hose (where fitted).
4 Unscrew the four retaining bolts, and lift the
rocker cover clear of the cylinder head.
Remove the gasket.
HCS engine in-car repair procedures 2A•3
3.3 Timing mark on the crankshaft pulley aligned with the TDC (0) mar\
k on the timing cover
2A
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