ABS FORD FIESTA 1989 Service Repair Manual

Maintenance – component location1•5
1 Engine oil filler cap
2 Engine oil level dipstick
3 Cooling system expansion tank
4 Brake fluid reservoir
5 Windscreen/tailgate washer fluid reservoircap
6 Battery
7 Vehicle identification plate
8 Thermostat housing
9 Pre-heat tube
10 Timing belt cover
11 Distributor
12 Fuel filter
13 Heater blower motor cover
14 Windscreen wiper motor mounting bracket
15 Jack and wheelbrace retaining bolt
16 Top of suspension strut mounting
assembly
17 EEC IV engine management module cover
18 CFi unit
19 Fuel injector
20 Fuel pressure regulator
21 Throttle plate control motor
22 Carbon canister
23 Manifold absolute pressure sensor
24 Ignition module
1.1 litre HCS carburettor engine (air cleaner removed for clarity)
1
1595Ford Fiesta Remake
1.4 litre CVH CFi fuel injection engine (air cleaner removed for clarity)
1 Engine oil filler cap
2 Engine oil level dipstick
3 Cooling system expansion tank
4 Brake fluid reservoir
5 Windscreen/tailgate washer fluid reservoir
cap
6 Battery
7 Vehicle identification plate
8 Thermostat housing
9 Radiator cooling fan thermal switch multi- plug
10 Alternator
11 Starter motor solenoid
12 CTX automatic transmission fluid level
dipstick
13 Exhaust heatshield/airbox
14 Brake pressure control valves
15 Top of suspension strut mounting
assembly
16 Carburettor
17 Fuel feed hose
18 Anti-dieselling (fuel-cut off) solenoid
connection
19 Throttle kicker
20 Throttle kicker control solenoid
21 Ignition module
22 Heater blower motor cover
23 Windscreen wiper motor mounting bracket
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1•6Maintenance – component location
1.6 litre (XR2i) CVH EFi fuel injection engine
1595Ford Fiesta Remake1 Engine oil filler cap
2 Engine oil level dipstick
3 Cooling system expansion tank
4 Brake fluid reservoir
5 Windscreen/tailgate washer fluid reservoir
cap
6 Battery
7 Vehicle identification plate
8 Thermostat housing
9 Timing belt cover
10 Top of suspension strut mounting
assembly
11 Windscreen wiper motor mounting bracket
12 Jack and wheelbrace retaining bolt
13 Distributorless (E-DIS) ignition coil
14 Fuel filter
15 Air cleaner
16 Air inlet duct
17 Idle speed control valve
18 Fuel pressure regulator
19 Throttle housing
20 Upper section of inlet manifold
21 Intake air temperature sensor
22 Fuel trap
23 EEC IV engine management module cover
24 Manifold absolute pressure sensor
25 Ignition module
1.8 litre (XR2i) Zetec SEFi fuel injection engine
1 Engine oil filler cap
2 Engine oil level dipstick
3 Cooling system expansion tank
4 Braking system fluid reservoir
5 Windscreen/tailgate washer fluid reservoir
cap
6 Battery
7 VIN plate
8 Thermostat housing
9 Timing belt cover
10 Top of suspension strut mounting
assembly
11 Windscreen wiper motor mounting bracket
12 Jack and wheelbrace retaining bolt
13 Distributorless (E-DIS) ignition coil
14 Fuel filter
15 Air cleaner
16 Air inlet duct
17 Idle speed control valve
18 Fuel pressure regulator
19 Throttle housing
20 Inlet manifold
21 Throttle position sensor
22 Fuel system pressure release/test point
23 EEC IV engine management module cover
24 Mass air flow sensor
25 Ignition module
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squeezed (see illustration) . If you are using
non-Ford specification antifreeze, and so
have to renew the coolant every two years or
so, it’s a good idea to renew the hoses at that
time, regardless of their apparent condition.
3 Make sure that all hose connections are
tight. A leak in the cooling system will usually
show up as white- or rust-coloured deposits
on the areas adjoining the leak; if the spring
clamps that are used to secure the hoses in
this system appear to be slackening, they
should be renewed to prevent the possibility
of leaks.
4 Some other hoses are secured to their
fittings with clamps. Where clamps are used,
check to be sure they haven’t lost their
tension, allowing the hose to leak. If clamps
aren’t used, make sure the hose has not
expanded and/or hardened where it slips over
the fitting, allowing it to leak.
5 Check all fluid reservoirs, filler caps, drain
plugs and fittings etc, looking for any signs
of leakage of oil, transmission and/or brake
hydraulic fluid, coolant and power steering
fluid. If the vehicle is regularly parked in the
same place, close inspection of the ground
underneath it will soon show any leaks. As
soon as a leak is detected, its source must
be traced and rectified. Where oil has been
leaking for some time, it is usually necessary
to use a steam cleaner, pressure washer or
similar, to clean away the accumulated
dirt, so that (when the engine is run again)
the exact source of the leak can be
identified.
Vacuum hoses
6 It’s quite common for vacuum hoses,
especially those in the emissions system, to be
colour-coded, or to be identified by coloured stripes moulded into them. Various systems
require hoses with different wall thicknesses,
collapse resistance and temperature
resistance. When renewing hoses, be sure the
new ones are made of the same material.
7
Often the only effective way to check a
hose is to remove it completely from the
vehicle. If more than one hose is removed, be
sure to label the hoses and fittings to ensure
correct installation.
8 When checking vacuum hoses, be sure to
include any plastic T-fittings in the check.
Inspect the fittings for cracks, and check the
hose where it fits over the fitting for distortion,
which could cause leakage.
9 A small piece of vacuum hose (quarter-inch
inside diameter) can be used as a
stethoscope to detect vacuum leaks. Hold
one end of the hose to your ear, and probe
around vacuum hoses and fittings, listening
for the “hissing” sound characteristic of a
vacuum leak. Warning: When probing with the
vacuum-hose stethoscope, be
very careful not to come into
contact with moving engine
components such as the auxiliary
drivebelt, radiator electric cooling fan, etc.
Fuel hoses
Warning: There are certain
precautions which must be
taken when inspecting or
servicing fuel system
components. Work in a well-ventilated
area, and do not allow open flames
(cigarettes, appliance pilot lights, etc.) or
bare light bulbs near the work area. Mop
up any spills immediately, and do not store
fuel-soaked rags where they could ignite.
10 Check all fuel hoses for deterioration and
chafing. Check especially for cracks in areas
where the hose bends, and also just before
fittings, such as where a hose attaches to the
fuel filter.
11 High-quality fuel line, usually identified by
the word “Fluoroelastomer” printed on the
hose, should be used for fuel line renewal.
Never, under any circumstances, use
unreinforced vacuum line, clear plastic tubing
or water hose for fuel lines.
12 Spring- type clamps are commonly used
on fuel lines. These clamps often lose their
tension over a period of time, and can be
“sprung” during removal. Replace all
spring- type clamps with screw clamps
whenever a hose is replaced.
Metal lines
13 Sections of metal piping are often used
for fuel line between the fuel filter and the
engine. Check carefully to be sure the piping
has not been bent or crimped, and that cracks
have not started in the line.
14 If a section of metal fuel line must be
renewed, only seamless steel piping should
be used, since copper and aluminium piping
don’t have the strength necessary to
withstand normal engine vibration. 15
Check the metal brake lines where they
enter the master cylinder and ABS hydraulic
unit (if used) for cracks in the lines or loose
fittings. Any sign of brake fluid leakage calls
for an immediate and thorough inspection of
the brake system.
6 Engine compartment wiring check
1
1With the vehicle parked on level ground,
apply the handbrake firmly and open the
bonnet. Using an inspection light or a small
electric torch, check all visible wiring within
and beneath the engine compartment.
2 What you are looking for is wiring that is
obviously damaged by chafing against sharp
edges, or against moving suspension/
transmission components and/or the auxiliary
drivebelt, by being trapped or crushed
between carelessly-refitted components, or
melted by being forced into contact with the
hot engine castings, coolant pipes, etc. In
almost all cases, damage of this sort is
caused in the first instance by incorrect
routing on reassembly, after previous work
has been carried out.
3 Depending on the extent of the problem,
damaged wiring may be repaired by rejoining
the break or splicing-in a new length of wire,
using solder to ensure a good connection,
and remaking the insulation with adhesive
insulating tape or heat-shrink tubing, as
appropriate. If the damage is extensive, given
the implications for the vehicle’s future
reliability, the best long-term answer may well
be to renew that entire section of the loom,
however expensive this may appear.
4 When the actual damage has been
repaired, ensure that the wiring loom is re-
routed correctly, so that it is clear of other
components, and not stretched or kinked, and
is secured out of harm’s way using the plastic
clips, guides and ties provided.
5 Check all electrical connectors, ensuring
that they are clean, securely fastened, and
that each is locked by its plastic tabs or wire
clip, as appropriate. If any connector shows
external signs of corrosion (accumulations of
white or green deposits, or streaks of “rust”),
or if any is thought to be dirty, it must be
unplugged and cleaned using electrical
contact cleaner. If the connector pins are
severely corroded, the connector must be
renewed; note that this may mean the renewal
of that entire section of the loom - see your
local Ford dealer for details.
6 If the cleaner completely removes the
corrosion to leave the connector in a
satisfactory condition, it would be wise to
pack the connector with a suitable material
which will exclude dirt and moisture,
preventing the corrosion from occurring
again; a Ford dealer may be able to
recommend a suitable product.
7 Check the condition of the battery
Every 10 000 miles or 12 months1•13
5.2 Hoses, like drivebelts, have a habit of
failing at the worst possible time - to
prevent the inconvenience of a blown radiator or heater hose, inspect them
carefully as shown here
1
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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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cover). Using a new gasket, fit the timing
chain cover, centring it with the aid of the
crankshaft pulley - lubricate the seal contact
surfaces beforehand. Refit and tighten the
retaining bolts but, where applicable, leave
out the timing cover bolt which also secures
the water pump at this stage.
8Where applicable, refit the water pump as
described in Chapter 3.
9 Refit the crankshaft pulley as described in
the previous Section.
10 Refit the sump as described in Section 11.
10Timing chain, sprockets and
tensioner - removal,
inspection and refitting
3
Removal
1 Remove the timing chain cover as
described in the previous Section.
2 Remove the oil slinger from the front face of
the crankshaft, noting its orientation (see
illustration) .
3 Retract the chain tensioner cam back
against its spring pressure, then slide the
chain tensioner arm from its pivot pin on the
front main bearing cap (see illustration).
4 Unbolt and remove the chain tensioner.
5 Bend back the lockplate tabs from the
camshaft sprocket bolts, then unscrew and
remove the bolts.
6 Withdraw the sprocket complete with the
timing chain.
Inspection
7 Examine the teeth on the timing sprockets
for any signs of excessive wear or damage.
8 The timing chain should always be renewed
during a major engine overhaul. Slack links
and pins are indicative of a worn chain.
Unless the chain is known to be relatively
new, it should be renewed.
9 Examine the rubber cushion on the
tensioner spring leaf. If grooved or
deteriorated, it must be renewed.
Refitting
10 Commence reassembly by bolting the
timing chain tensioner into position. Check
that the face of the tensioner cam is parallel
with the face of the cylinder block, ideally
using a dial gauge. The maximum permissible
error between the two measuring points is
0.2 mm. Release and turn the timing chain
tensioner as required to achieve this (if
necessary). Refer to the Specifications for the
correct tightening torque.
11 Turn the crankshaft so that the timing
mark on its sprocket is directly in line with the
centre of the camshaft sprocket mounting
flange.
12 Engage the camshaft sprocket with the
timing chain, then engage the chain around
the teeth of the crankshaft sprocket. Push the
camshaft sprocket onto its mounting flange,
and check that the sprocket retaining bolt
holes are in alignment (see illustration). Alsocheck that the timing marks of both sprockets
face each other. If required, turn the
camshaft/sprocket as required to achieve this.
It may also be necessary to remove the
camshaft from the chain in order to reposition
it in the required location in the chain to align
the timing marks. This is a “trial and error”
procedure, which must be continued until the
exact alignment of the bolt holes and the
timing marks is made
(see illustration).
13 Insert and tighten the camshaft sprocket
retaining bolts to the specified torque wrench
setting. Bend up the tabs of the new lockplate
to secure (see illustration) .
14 Retract the timing chain tensioner cam,
and then slide the tensioner arm onto its pivot
pin. Release the cam so that it bears on the
arm.
15 Refit the oil slinger to the front of the
crankshaft sprocket so that its convex side
faces the sprocket.
16 Refit the timing chain cover as described
in the previous Section.
11 Sump -
removal and refitting
2
Removal
1 Disconnect the battery negative (earth) lead
(refer to Chapter 5A, Section 1).
2 Refer Chapter 1 and drain the engine oil.
Refit the sump drain plug.
3 Undo the retaining nuts and detach the
exhaust downpipe from the manifold flange.
Note that the flange gasket should be
renewed on reassembly. Allowing sufficient
clearance for sump removal, tie the exhaust
downpipe up with a suitable length of wire or
cord to prevent the system straining the
insulators. On catalytic converter-equipped
vehicles, avoid straining the oxygen sensor
wiring; if necessary, disconnect the sensor’s
multi-plug.
4 Remove the starter motor (see Chapter 5A).
5 Undo the two retaining bolts and remove
the clutch housing cover plate and, where
fitted, the auxiliary drivebelt lower cover from
inside the right-hand wheel arch.
HCS engine in-car repair procedures 2A•7
10.12a Fit the timing chain to the
crankshaft and camshaft sprockets . . .
10.3 Chain tensioner arm removal from the pivot pin. Note tensioner retaining bolts (arrowed)10.2 Oil slinger removal from crankshaft
10.13 Bend locktabs against the camshaftretaining bolt heads to secure10.12b . . . and check that the timing
marks on the sprockets are in alignment
2A
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clamp brackets and disconnect the pipe joint
union over the top of the cylinder head cover.
Place absorbent rags beneath the union as it
is disconnected to soak up escaping fluid and
plug the open unions to prevent dirt entry and
further fluid loss. Move the pipe(s) clear just
sufficiently to allow removal of the cylinder
head cover.
5Remove the timing belt upper cover (see
Section 7).
6 Disconnect the crankcase breather hose
from the cylinder head cover union (see
illustration) .
7 Unplug the HT leads from the spark plugs
and withdraw them, unclipping the leads from
the cover.
8 Working progressively, unscrew the
cylinder head cover retaining bolts, noting the
spacer sleeve and rubber seal at each, then
withdraw the cover (see illustration).
9 Discard the cover gasket; this mustbe
renewed whenever it is disturbed. Check that
the sealing faces are undamaged, and that the
rubber seal at each retaining bolt is
serviceable; renew any worn or damaged
seals.
Refitting
10 On refitting, clean the cover and cylinder
head gasket faces carefully, then fit a new
gasket to the cover, ensuring that it locates
correctly in the cover grooves (see illustration).
11 Refit the cover to the cylinder head, then
insert the rubber seal and spacer sleeve at
each bolt location (see illustration). Start allbolts finger-tight, ensuring that the gasket
remains seated in its groove.
12
Working in a diagonal sequence from the
centre outwards, and in two stages (see
Specifications), tighten the cover bolts to the
specified torque wrench setting.
13 Refit the HT leads, clipping them into
place so that they are correctly routed; each is
numbered, and can also be identified by the
numbering on its respective coil terminal.
14 Reconnect the crankcase breather hose,
and refit the timing belt upper cover.
Reconnect and adjust the accelerator cable,
then refit the air inlet components (see
Chapter 4B).
15 On models with power steering,
reconnect the high pressure fluid pipe then
bleed the system as described in Chapter 10.
5 Valve clearances -
general information
Refer to Section 5 in Part B of this Chapter.
6 Crankshaft pulley -
removal and refitting
1
Removal
1 Remove the auxiliary drivebelt - either
remove the drivebelt completely, or just secure it clear of the crankshaft pulley,
depending on the work to be carried out (see
Chapter 1).
2
If necessary, rotate the crankshaft until the
timing marks align (see Section 3).
3 The crankshaft must now be locked to
prevent its rotation while the pulley bolt is
unscrewed. To do this, remove the starter
motor (Chapter 5A) and lock the starter ring
gear teeth using a suitable screwdriver.
4 It should now just be possible to reach
between the crankshaft pulley and the body
side member to undo and remove the pulley
bolt and withdraw the pulley. However, if
additional working clearance is needed,
proceed as follows.
5 If not already done, chock the rear wheels
then jack up the front of the car and support it
on axle stands (see “Jacking and Vehicle
Support” ). Remove the front right-hand
roadwheel.
6 Support the weight of the
engine/transmission using a trolley jack, with
a wooden spacer to prevent damage to the
sump.
7 From above, unscrew the three bolts
securing the engine’s front right-hand (Y-
shaped) mounting bracket to the alternator
mounting bracket. Unfasten the engine’s rear
right-hand mounting from the body by
unscrewing first the single nut (and washer)
immediately to the rear of the timing belt
cover, then the bolt in the wheel arch
8 With the engine’s right-hand mountings
unfastened from the body, lower the
engine/transmission on the jack until a socket
spanner can be fitted to the crankshaft pulley
bolt.
9 With the starter ring gear teeth locked,
unscrew the crankshaft pulley bolt and
withdraw the pulley (see illustration).
Refitting
10Refitting is the reverse of the removal
procedure; ensure that the pulley’s keyway is
aligned with the crankshaft’s locating key, and
tighten the pulley bolt to the specified torque
wrench setting. If the engine mountings were
disturbed, use the jack to adjust the height of
the engine/transmission until the bolts (and
nut, with washer) can be refitted and screwed
2C•4 Zetec engine in-car repair procedures
6.9 Unscrew pulley bolt to release
crankshaft pulley4.11 Ensure rubber seal is fitted to eachcover bolt spacer, as shown
4.10 Ensure gasket is located correctly in cover groove4.8 Removing cylinder head cover
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4.6 Disconnecting crankcase breather
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and the timing belt have been removed. Note
the “FRONT” marking identifying the
sprocket’s outboard face, and the
thrustwasher behind it; note which way round
the thrustwasher is fitted (see illustration).
Note the sprocket-locating Woodruff key; if
this is loose, it should be removed for safe
storage with the sprocket.
9 Check the sprockets as described in
paragraph 14 of Section 8.
10 Refitting is the reverse of the removal
procedure.
Timing belt guide pulleys
11 Remove the timing belt covers (see
Section 7).
12 Unbolt and withdraw the pulley(s); check
their condition as described in paragraph 14
of Section 8.
13 Refitting is the reverse of the removal
procedure; tighten the pulley bolts to the
specified torque wrench setting.
10 Camshaft oil seals - renewal
4
Note:While it is possible to reach either oil
seal, once the respective sprocket has been
removed (see Section 9) to allow the seal to be
prised out, this procedure is not
recommended. Not only are the seals very
soft, making this difficult to do without risk of damage to the seal housing, but it would be
very difficult to ensure that the valve timing
and the timing belt’s tension, once disturbed,
are correctly reset. Owners are advised to
follow the whole procedure outlined below.
1
Release the tension from the timing belt as
described in Section 8, paragraphs 1 to 12.
Note: If the timing belt is found to be
contaminated by oil, remove it completely as
described, then renew the oil seal (see below).
Wash down the engine timing belt area and all
related components, to remove all traces of
oil. Fit a new belt on reassembly.
2 If the timing belt is still clean, slip it off the
sprocket, taking care not to twist it too
sharply; use the fingers only to handle the
belt. Do not rotate the crankshaft until the
timing belt is refitted. Cover the belt, and
secure it so that it is clear of the working area
and cannot slip off the remaining sprocket.
3 Unfasten the sprocket bolt and withdraw
the sprocket (see Section 9).
4 Unbolt the camshaft right-hand bearing
cap, and withdraw the defective oil seal.
Clean the seal housing, and polish off any
burrs or raised edges, which may have
caused the seal to fail in the first place.
5 To fit a new seal, Ford recommend the use
of their service tool 21-009B, with a bolt
(10 mm thread size, 70 mm long) and a
washer, to draw the seal into place when the
camshaft bearing cap is bolted down; a
substitute can be made using a suitable
socket (see illustration) . Grease the seal lips
and periphery to ease installation, and draw the seal into place until it is flush with the
housing/bearing cap outer edge. Refit the
bearing cap, using sealant and tightening the
cap bolts as described in Section 11.
6
For most owners, the simplest answer will
be to grease the seal lips, and to slide it onto
the camshaft (until it is flush with the
housing’s outer edge). Refit the bearing cap,
using sealant and tightening the cap bolts as
described in Section 11 (see illustration).
Take care to ensure that the seal remains
absolutely square in its housing, and is not
distorted as the cap is tightened down.
7 Refit the sprocket to the camshaft,
tightening the retaining bolt loosely, then slip
the timing belt back onto the sprocket (refer to
paragraphs 16 and 19 of Section 8) and
tighten the bolt securely.
8 The remainder of the reassembly
procedure, including checking the camshaft
alignment (valve timing) and setting the timing
belt tension, is as described in paragraphs 20
to 25 of Section 8.
11 Camshafts and hydraulic tappets - removal, inspection
and refitting
4
Removal
1 Release the tension from the timing belt as
described in Section 8, paragraphs 1 to 12.
2 Either remove the timing belt completely
(Section 8, paragraphs 13 and 14) or slip it off
the camshaft sprockets, taking care not to
twist it too sharply; use the fingers only to
handle the belt. Cover the belt, and secure it
so that it is clear of the working area. Do not
rotate the crankshaft until the timing belt is
refitted.
3 Unfasten the sprocket bolts as described in
Section 8, paragraph 16, and withdraw the
sprockets; while both are the same and could
be interchanged, it is good working practice
to mark them so that each is refitted only to its
original location (see illustration) .
4 Working in the sequence shown, slacken
progressively, by half a turn at a time, the
camshaft bearing cap bolts (see illustration).
Work only as described, to release gradually
2C•8 Zetec engine in-car repair procedures
11.4 Camshaft bearing cap slackening
sequence
Note: Viewed from front of vehicle, showing
bearing cap numbers
11.3 Using forked holding tool while
camshaft toothed pulley bolt is slackened10.6 Alternatively, seal can be inserted
when camshaft bearing cap is unbolted
10.5 Using socket and toothed pulley bolt to install camshaft oil seal9.8 “FRONT” marking on outside face of
crankshaft toothed pulley - note which way round thrustwasher behind is fitted
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the transmission are absolutely clean and
flat. Any shims found on removal of the
sump must be refitted in their original
locations.
b) Apply a thin film of suitable sealant (Ford
recommend Hylosil 102) to the junctions
of the cylinder block/crankcase with the
oil pump and the crankshaft left-hand oil
seal carrier. Without delay - the sump
bolts must be fully tightened within 10 to
20 minutes of applying the sealant - offer
up the sump and engine/transmission
lower adapter plate, and refit the bolts,
tightening them lightly at first.
c) Ensuring that the engine/transmission
lower adapter plate is correctly located,
firmly press the sump against the
transmission, and tighten the
transmission-to-sump (ie, engine) bolts to
the specified torque wrench setting.
d) Without disturbing the position of the
sump, and working in a diagonal
sequence from the centre outwards,
tighten the sump bolts to the specified
torque wrench setting.
e) Proceed to paragraph 14.
13 If the sump is being refitted with the
engine and transmission separated (in or out
of the vehicle), proceed as follows:
a) Apply a thin film of suitable sealant (Ford recommend Hylosil 102) to the junctions
of the cylinder block/crankcase with the
oil pump and the crankshaft left-hand oil seal carrier (see illustration). Without delay
- the sump bolts must be fully tightened
within 10 to 20 minutes of applying the
sealant - offer up the sump to the cylinder
block/crankcase, and insert the sump
bolts, tightening them lightly at first.
b) Using a suitable straight edge to check
alignment across the flat-machined faces
of each, move the sump as necessary so
that its left-hand face - including any
shims found on removal - is flush with
that of the cylinder block/crankcase (see
illustration) . Without disturbing the
position of the sump, and working in a
diagonal sequence from the centre
outwards, tighten the sump bolts to the
specified torque wrench setting.
c) Check again that both faces are flush
before proceeding; if necessary, unbolt
the sump again, clean the mating
surfaces, and repeat the full procedure to
ensure that the sump is correctly aligned.
d) If it is not possible to achieve exact
alignment by moving the sump, shims are
available in thicknesses of 0.25 mm
(colour-coded yellow) or 0.50 mm (colour-
coded black) to eliminate the discrepancy
(see illustration) .
14 The remainder of reassembly is the
reverse of the removal procedure, noting the
following points.
a) Tighten all fasteners to the torque wrench settings specified. b)
Always renew any self-locking nuts
disturbed on removal.
c) Refill the cooling system (see Chapter 1).
d) Refill the engine with oil, remembering
that you are advised to fit a new filter (see
Chapter 1).
e) Check for signs of oil or coolant leaks once the engine has been restarted and
warmed-up to normal operating
temperature.
14 Oil pump - removal,
inspection and refitting
4
Removal
Note: While this task is theoretically possible
when the engine is in place in the vehicle, in
practice, it requires so much preliminary
dismantling, and is so difficult to carry out due
to the restricted access, that owners are
advised to remove the engine from the vehicle
first. Note, however, that the oil pump
pressure relief valve can be removed with the
engine in situ - see paragraph 8.
1 Remove the timing belt (see Section 8).
2 Withdraw the crankshaft sprocket and the
thrustwasher behind it, noting which way
round the thrustwasher is fitted (see Sec-
tion 9).
3 Remove the sump (see Section 13).
4 Undo the screws securing the oil pump
pick-up/strainer pipe to the pump, then
unscrew the nut and withdraw the oil pump
pick-up/strainer pipe. Discard the gasket.
5 Unbolt the pump from the cylinder
block/crankcase (see illustration). Withdraw
and discard the gasket, and remove the
crankshaft right-hand oil seal. Thoroughly
clean and degrease all components,
particularly the mating surfaces of the pump,
the sump, and the cylinder block/crankcase.
Inspection
6 Unscrew the Torx screws, and remove the
pump cover plate; noting any identification
marks on the rotors, withdraw the rotors (see
illustration) .
Zetec engine in-car repair procedures 2C•13
13.13c Sump-to-cylinder block/crankcase
alignment shims
1 Fitting points on sump 2 Shim13.13b Checking alignment of sump with cylinder block/crankcase13.13a Apply sealant (arrowed) as directed when refitting sump
14.6 Withdrawing oil pump inner rotor14.5 Unscrew bolts (arrowed) to remove oil pump
2C
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bench, with a block of wood at each end to
give clearance for the valve stems.
15Smear a trace of (the appropriate grade
of) valve-grinding compound on the seat face,
and press a suction grinding tool onto the
valve head. With a semi-rotary action, grind
the valve head to its seat, lifting the valve
occasionally to redistribute the grinding
compound (see illustration) . A light spring
placed under the valve head will greatly ease
this operation.
16 If coarse grinding compound is being
used, work only until a dull, matt even surface
is produced on both the valve seat and the
valve, then wipe off the used compound, and
repeat the process with fine compound. When
a smooth unbroken ring of light grey matt
finish is produced on both the valve and seat,
the grinding operation is complete. Do not
grind in the valves any further than absolutely
necessary, or the seat will be prematurely
sunk into the cylinder head.
17 When all the valves have been ground-in,
carefully wash off alltraces of grinding
compound, using paraffin or a suitable
solvent, before reassembly of the cylinder
head.
Valve components
18 Examine the valve springs for signs of
damage and discolouration, and also measure
their free length (see illustration) . If possible,
compare each of the existing springs with a
new component.
19 Stand each spring on a flat surface, and
check it for squareness. If any of the springs are damaged, distorted, or have lost their
tension, obtain a complete set of new springs.
20
Check the spring upper seats and collets
for obvious wear and cracks. Any
questionable parts should be renewed, as
extensive damage will occur if they fail during
engine operation. Any damaged or
excessively-worn parts must be renewed; the
valve spring lower seat/stem oil seals must be
renewed as a matter of course whenever they
are disturbed.
21 Check the rocker gear components and
hydraulic tappets as described in earlier parts
of this Chapter according to engine type.
9 Cylinder head - reassembly
4
1Before reassembling the cylinder head, first
ensure that it is perfectly clean, and that no
traces of grinding paste are left in the head or
on the valves and guides. Use compressed
air, if available, to blow out all the oil holes and
passages.
2 Commence reassembly of the cylinder
head by lubricating the valve stems and
guides with clean engine oil.
HCS engines
3 Insert the first valve into its guide. Wipe the
oil from the top of the valve stem, then wind
some insulation tape over the split collet
location groove, to protect the new valve stem
seal as it is fitted over the valve and into position. As the seal is fitted, support the
valve to prevent it from falling out; push the
seal down the valve, and locate it flush to the
valve guide. Press the seal down firmly and
evenly using a suitable diameter tube or
socket, and take care not to distort the seal as
it is located. Check that the seal spring is
correctly located to ensure that it seals
correctly, then remove the tape from the valve
stem (see illustrations)
.
4 Locate the valve spring and its retainer over
the valve stem, and engage the valve spring
compressor. Compress the spring and
retainer just enough to allow the split collets
to be inserted in the location groove in the
valve stem. Holding the collets in position,
slowly release and remove the valve spring
compressor.
5 Repeat the operation on the remaining
valves, ensuring that each valve is fitted in its
appropriate location.
6 On completion, support the cylinder head
on a suitable piece of wood, and lightly strike
the end of each valve stem in turn with a
plastic- or copper-faced hammer to
fractionally open the valve and seat the valve
components.CVH and PTE engines
7 Working on one valve at a time, fit the lower
retainer into position (see illustration).
8 Check for correct orientation, then fit the
new oil seal into position over the guide. Drive
Engine removal and overhaul procedures 2D•15
9.3a Tape the end of the valve stem before fitting the valve stem seal
8.18 Checking the valve spring free length8.15 Grinding-in a valve seat
9.7 Fit the lower retainer9.3b Press the seal into position using a suitable socket
2D
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A little grease applied to the collet
groove will help retain them in position.
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removal procedure. Refit the timing belt and
tensioner as described in Chapter 2C, noting
that a new tensioner spring and retaining pin
must be fitted if the timing belt has been
removed for the first time. Tighten all
fasteners to the specified torque, and refill the
system with coolant as described in Chap-
ter 1.
11 Heater/ventilationcomponents -
removal and refitting
3
Heater controls
1 Disconnect the battery negative (earth) lead
(refer to Chapter 5A, Section 1).
2 Refer to Chapter 12 and remove the radio.
3 Pull off the heater fan motor control knob,
then move the air distribution and
temperature controls fully to the right. Unclip
and remove the heater slide facia towards the
left-hand side of the vehicle, removing the
slide control knobs only as necessary, and
disconnecting its bulbholder (bayonet type) as
it is withdrawn.
4 Squeeze the two release tabs together on
the heater fan motor control switch, and
remove it, disconnecting its multi-plug as it is
withdrawn.
5 Disconnect the heater control cables from
the heater casing assembly by releasing the
outer cable abutments and disengaging the cable inner cores from their flap operating
mechanisms
(see illustration) .
6 Undo the three heater control panel
securing screws, and remove the control
panel (with its cables attached) from behind
the facia (see illustration) .
7 Disconnect the heater control cables from
their control panel levers, as required, by
releasing their outer cable clamping covers
and inner cable core securing clips (see
illustrations) .
8 If renewing a heater control panel, note that
the new unit, is supplied with control cables
and assembly aids fitted (see illustration).
The assembly aids ensure correct heater
control adjustments during fitting, and must
be removed thereafter. 9
Refitting is a reversal of the removal
procedure, adjusting the heater control cables
to complete. The adjustment is made
automatically by moving the heater slide
control levers from their left-hand stop to their
right-hand stop. When moving the control
levers, a considerable amount of resistance
may be encountered, which must be
overcome.
Heater fan motor and resistor
assembly
10 Disconnect the battery negative (earth)
lead (refer to Chapter 5A, Section 1).
11 Depending on engine type, refer to the
relevant Part of Chapter 4 and remove the air
cleaner if necessary, to gain access to the
bulkhead panel in the engine compartment.
12 Remove the expansion tank as described
in Section 7.
13 Undo the retaining bolt and remove the
jack and wheelbrace.
14 Disconnect the modules on the bulkhead
panel. Release the wiring loom and any
connectors, cable-ties and hoses from the
bulkhead panel, and remove its rubber seal.
15 Remove the bulkhead panel. The panel is
secured by screws, with a nut at either end
(behind the panel), and is removed in two
sections.
16 Detach and remove the cover from the
heater fan motor assembly (see illustration).
17 Disconnect the wiring from the heater fan
3•8 Cooling, heating and ventilation systems
11.16 Removing the cover from the heater
fan motor assembly11.8 Heater control panel. Assembly
aids (A) fitted to heater casing flap valve
end of cables11.7c Releasing inner cable core fromheater control lever
11.7b . . . and removing it11.7a Releasing outer cable clamping
cover . . .
11.6 Heater control panel securing screws (A), and fan motor control switch (B)11.5 Disengaging heater control cable
from its flap operating mechanism on the heater casing
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