points FORD FIESTA 1989 Service Repair Manual

connections - remake the connections or
renew the leads if a fault is found. Use the
same techniques to ensure that all earth
points in the engine compartment provide
good electrical contact through clean, metal-
to-metal joints, and that all are securely
fastened. (In addition to the earth connection
at the engine lifting eye, and that from the
transmission to the body/battery, there are
others in various places, so check carefully).
8Refer to Section 21 for details of spark plug
(HT) lead checks.
7 Valve clearance adjustment
2
Refer to Chapter 2, Part A.
8 Manual transmission oil level check
1
1The manual transmission does not have a
dipstick. To check the oil level, raise the
vehicle and support it securely on axle stands,
making sure that the vehicle is level. On the
lower front side of the transmission housing,
you will see the filler/level plug. Unscrew and
remove it - an Allen key or bit will probably be
required (see illustration) .
2 With the plug removed, check the oil level.
To do this accurately, make up an oil level
check dipstick from a short length of welding
rod or similar material. Make a 90º bend in the
rod, then mark the downward leg in 5 mm
increments. The dipstick is then inserted
through the filler plug orifice so that the
unmarked leg rests flat on the plug orifice
threads, with the marked leg dipped in the oil.
Withdraw the dipstick and read off the level of
oil.
3 The oil level must be maintained between 0
and 5 mm below the lower edge of the
filler/level plug hole. Top up (if necessary),
using fresh transmission oil of the specified
type and using a syringe, or a plastic bottle
and tube. Refit and tighten the filler/level plug
to the specified torque on completion. 4
The need for regular topping-up can only
be due to a leak, which should be found and
rectified without delay.
5 Regular oil changing is not specified by the
manufacturer’s, but the oil can be drained, if
required, by removing the selector shaft cap
nut and locking assembly.
9 Idle speed and mixture check and adjustment
4
General
1Many of the engines fitted to Fiesta models
are equipped with fuel injection systems of
one sort or another which are entirely
controlled by the engine management system.
On most of these vehicles, it isn’t possible to
make any adjustments to the idle speed or the
mixture settings without specialist test
equipment of a type usually only found at a
Ford dealer or fuel injection specialist.
However, the very nature of these highly-
sophisticated systems means they don’t go
out of tune very often (if ever), so that it’s one
less maintenance operation to worry about.
2 On carburettor engines and 1.6 litre EFi fuel
injection engines, certain checks and
adjustments are necessary as part of the
service requirements, and these are described
below.
Idle speed and mixture check
and adjustment - carburettor
engines
Note: Later carburettors are fitted with
tamperproof mixture adjusting screws,
consisting of a hexagon-shaped socket with a
pin in the centre. Such screws require the use
of Ford service tool 23-032 to alter their
settings; if this tool (or a suitable equivalent) is
not available, the CO level will have to be
checked, and any necessary adjustment will
have to be made, by a Ford dealer.
3 Before carrying out the following checks
and adjustments, ensure that the spark plugs
are in good condition and correctly gapped
(Section 21). To carry out the checks/adjustments, an accurate tachometer
and an exhaust gas analyser (CO meter) will
be required.
4
Make sure that all electrical components
are switched off during the following
procedures.
5 Connect a tachometer to the engine in
accordance with its manufacturer’s
instructions, and insert the probe of an
exhaust gas analyser (CO meter) into the
exhaust tailpipe. As previously mentioned,
these items are essential in obtaining an
accurate setting. If they are not available, an
approximate check/adjustment can be made
as a temporary measure, providing they are
further checked out as soon as is possible
using a tachometer and a CO meter (or by a
Ford dealer).
6 Run the engine at a fast idle speed until it
reaches its normal operating temperature and
the radiator cooling fan cuts in. Turn the
engine off, then disconnect the radiator
cooling fan lead at the thermostatic switch
connector. Now connect a temporary wire to
the fan switch multi-plug, as shown (see
illustration) to enable the fan to operate
continuously during the following checks and
adjustments (if this is specified). Take care to
keep clear of the fan during the following
operations when working in the engine
compartment.
7 Where fitted, disconnect the throttle kicker
vacuum pipe, and plug the end. To identify
the throttle kicker unit, refer to Chapter 4A.
8 Check that the vehicle lighting and other
electrical loadings (apart from the radiator
cooling fan) are switched off, then restart the
engine. Increase the engine speed to 3000 rpm
for 30 seconds, and repeat this at three-minute
intervals during the check/adjustment
procedures. This will ensure that any excess
fuel is cleared from the inlet manifold.
9 Ensure that the throttle is fully released, allow
the meters to stabilise for a period of 5 to
30 seconds is normally sufficient, then check
the idle speed against that specified. If adjust-
ment is necessary, turn the idle speed
adjusting screw until the engine is idling at the
specified speed (see illustrations) . Any checks
and adjustments must be completed within
30 seconds of the meters stabilising.
1•14Every 10 000 miles or 12 months
9.9a Idle speed adjusting screw (A) and
mixture adjusting screw (B) (Weber TLM
carburettor)9.6 Cooling fan thermostatic switch multi-plug with temporary bridging wire
connected8.1 Manual transmission oil level/filler
plug (A), and selector shaft cap nut (B)
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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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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
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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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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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the crankshaft pulley, then with a spanner
engaged on the crankshaft pulley bolt, turn
the crankshaft over to set the engine at TDC
for No 1 piston on compression (see Sec-
tion 3).
8Remove the camshaft sprocket as
described in Section 9.
9 Extract the camshaft oil seal as described
in Section 10.
10 Before removing the camshaft and its
thrust plate, check and take note of the
amount of camshaft endfloat, using a dial
gauge or feeler gauges. With the camshaft
endfloat measured and noted, unscrew the
two retaining bolts and then extract the
camshaft thrust plate from its pocket at the
front end of the cylinder head (see
illustrations) .
11 On models with a distributorless ignition system, at the rear end of the cylinder head,
pierce the camshaft blanking plug with a
suitable tool, and then lever it out of its
aperture
(see illustrations) .
12 Withdraw the camshaft from the cylinder
head at the rear (distributor/ignition coil) end
(see illustration) . Take care not to damage
the bearings in the cylinder head as the shaft
is withdrawn.
Inspection
13 Clean and inspect the various
components removed for signs of excessive
wear.
14 Examine the camshaft bearing journals
and lobes for damage or wear. If evident, a
new camshaft will be required.
15 Compare the previously-measured
camshaft endfloat with that specified. If the endfloat is outside of the specified tolerance,
the thrust plate must be renewed.
16
The camshaft bearing bore diameters in
the cylinder head should be measured and
checked against the tolerances specified. A
suitable measuring gauge will be required for
this, but if this is not available, check for
excessive movement between the camshaft
journals and the bearings. If the bearings are
found to be unacceptably worn, a new
cylinder head is the only answer, as the
bearings are machined directly into the head.
17 It is seldom that the hydraulic tappets are
badly worn in the cylinder head bores but
again, if the bores are found to be worn
beyond an acceptable level, the cylinder head
must be renewed.
18 If the contact surfaces of the cam lobes
show signs of depression or grooving, they
cannot be renovated by grinding, as the
hardened surface will be removed and the
overall length of the tappet(s) will be reduced.
The self-adjustment point of the tappet will be
exceeded as a result, so that the valve
adjustment will be affected, resulting in noisy
operation. Therefore, renewal of the camshaft
is the only remedy in this case.
19 Inspect the rocker arm contact surfaces
for excessive wear, and renew if necessary
(see illustration) .
Refitting
20Refitting the camshaft and its associated
components is a reversal of the removal
procedure, but note the following special
points.
21 Lubricate the camshaft bearings, the
camshaft and the thrust plate with clean
engine oil prior to fitting them. As the
camshaft is inserted, take care not to damage
the bearings in the cylinder head. Tighten the
camshaft thrust plate retaining bolts to the
specified torque. When the thrust plate bolts
are tightened, make a final check to ensure
that the camshaft endfloat is as specified.
22 A new front oil seal must be fitted after the
camshaft has been installed (see previous
Section for details). It will also be necessary to
insert a new blanking plug into the rear end of
the cylinder head (where applicable). Drive it
squarely into position so that it is flush with
the head (see illustration) .
2B•8 CVH and PTE engine in-car repair procedures
11.22 Driving a new blanking plug into
position11.19 Inspect the rocker arm contactpoints indicated for excessive wear11.12 Withdraw the camshaft from the cylinder head
11.11b . . . and lever it out of the cylinder
head11.11a Pierce the centre of the blankingplug . . .
11.10b . . . and lift out the camshaft thrust plate11.10a Undo the two retaining bolts(arrowed) . . .
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bolt(s) securing the gearchange mechanism
stabiliser bar/exhaust forward mounting
bracket (where fitted) and ease it out of the
way.
7Remove the starter motor as described in
Chapter 5A, then undo the retaining bolts, and
remove the clutch cover plate from the front
face of the bellhousing (see illustration).
8 Progressively unscrew the sump retaining
bolts and remove them. Support and lower
the sump pan, taking care not to spill any oil
remaining in it as it is removed. If the sump is
stuck to the base of the crankcase, prise it
free using a screwdriver, but take care not to
damage the sump flange face. If it is really
stuck in position, check first that all of the
bolts are removed, then cut around the sump
gasket with a sharp knife to help in freeing the
joint.
9 After the sump is removed, further oil will
almost certainly continue to drip down from
within the crankcase, some old newspapers
positioned underneath will soak up the
spillage whilst the sump is removed.
10 Clean the sump of old oil and sludge,
using paraffin or a suitable engine cleaner
solution. Clean any traces of old gasket and
sealer from the mating faces of the sump and
the crankcase.
Refitting
11 Smear a suitable sealing compound onto
the junctions of the crankcase-to-oil seal carrier at the rear and the crankcase-to-oil
pump housing at the front on each side
(see
illustration) .
12 Insert a new rubber seal in the groove in
the rear oil seal carrier and the oil pump case.
As an aid to correct sump alignment when
refitting it, screw ten M6 studs into the
cylinder block, in the positions circled in
illustration 13.14.
13 Fit a new gasket over the studs. Fit the
sump into position, ensuring that the raised
spacers sit in the gasket. Insert the bolts into
the available holes, and finger-tighten them
only at this stage. Now remove the studs and
fit the remaining bolts, again finger-tight.
14 Tighten the sump bolts in a progressive,
numerical sequence to the specified torque
wrench setting (see illustration) .
15 Fit the sump drain plug with a new sealing
washer, and tighten it to the specified torque
wrench setting.
16 Refit the clutch cover plate, the auxiliary
drivebelt lower cover, the front suspension
crossmember, the gearchange mechanism
stabiliser bar/exhaust forward mounting
bracket, and the starter motor with reference
to the relevant Sections and Chapters of this
manual as applicable.
17 Reconnect the exhaust downpipe as
described in Chapter 4E.
18 On completion, lower the vehicle, and fill
the engine with oil as described in Chapter 1.
Reconnect the battery negative lead.
14 Oil pump -
removal and refitting
3
Removal
1 Disconnect the battery negative (earth) lead
(refer to Chapter 5A, Section 1).
2 Remove the auxiliary drivebelt (see Chap-
ter 1).
3 Remove the crankshaft pulley (Section 6),
the timing belt covers (Section 7), the timing
belt, crankshaft sprocket and thrustwasher
(Sections 8 and 9), and the sump (Section 13).
4 Unscrew the retaining nut/bolts and remove
the oil pick-up pipe (see illustration).
5 Unbolt and withdraw the oil pump from the
front face of the engine. Clean the oil pump
for inspection. Refer to Section 15 for the
inspection procedures. The oil seal in the oil
pump housing should always be renewed
(Section 16).
Refitting
6 Before refitting the oil pump and the
associated fittings, clean off the respective
mating faces. A new oil pump gasket must be
obtained, as well as the seals and gaskets for
the other associated components to be
refitted.
7 When refitting the oil pump, precautionary
measures must be taken to avoid the
possibility of damaging the new oil seal as it is
engaged over the shoulder and onto its journal
on the crankshaft. Extract the Woodruff key
from the groove in the crankshaft, then cut a
thin plastic guide which will furl over and
protrude beyond the shoulder of the seal
journal on the crankshaft (see illus-
tration 14.9b) . This will allow the seal to ride
over the step, and avoid damaging the seal lip
as it is pushed into position on the crankshaft.
8 If a new oil pump is being fitted or the old
pump is to be re-used after cleaning and
inspection, first prime the pump by squirting
clean engine oil into it, and simultaneously
rotating the drivegear a few times (see
illustration) .
CVH and PTE engine in-car repair procedures 2B•11
13.14 Sump bolt tightening sequence
A Crankshaft pulley end of engine
Circled numbers indicate locations of studs
for correct sump alignment (see text)13.11 Sealing compound application points prior to refitting the sump
A Crankcase-to-oil pump housing
B Crankcase-to-rear oil seal carrier13.7 Removing the clutch cover plate
14.8 Prime the oil pump prior to fitting14.4 Removing the oil inlet pipe
2B
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and evenly the pressure of the valve springs
on the caps.
5Withdraw the caps, noting their markings
and the presence of the locating dowels, then
remove the camshafts and withdraw their oil
seals. The inlet camshaft can be identified by
the reference lobe for the camshaft position
sensor; therefore, there is no need to mark the
camshafts (see illustrations) .
6 Obtain sixteen small, clean containers, and
number them 1 to 16. Using a rubber sucker,
withdraw each hydraulic tappet in turn, invert
it to prevent oil loss, and place it in its
respective container, which should then be
filled with clean engine oil (see illustrations).
Do not interchange the hydraulic tappets, or
the rate of wear will be much increased. Do
not allow them to lose oil, or they will take a
long time to refill on restarting the engine,
resulting in incorrect valve clearances.
Inspection
7 With the camshafts and hydraulic tappets
removed, check each for signs of obvious
wear (scoring, pitting etc) and for ovality, and
renew if necessary.
8 Measure the outside diameter of each
tappet (see illustration) - take measurements
at the top and bottom of each tappet, then a
second set at right-angles to the first; if any
measurement is significantly different from the
others, the tappet is tapered or oval and must be renewed. If the necessary equipment is
available, measure the inside diameter of the
corresponding cylinder head bore. Compare
the measurements obtained to those given
in the Specifications Section of this Chapter; if
the tappets or the cylinder head bores are
excessively worn, new tappets and/or a new
cylinder head will be required.
9
If the engine’s valve components have
sounded noisy, particularly if the noise
persists after initial start-up from cold, there is
reason to suspect a faulty hydraulic tappet.
Only a good mechanic experienced in these
engines can tell whether the noise level is
typical, or if renewal of one or more of the
tappets is warranted. If faulty tappets are
diagnosed, and the engine’s service history is
unknown, it is always worth trying the effect of
renewing the engine oil and filter (see Chap-
ter 1), using onlygood-quality engine oil of the
recommended viscosity and specification,
before going to the expense of renewing any
of the tappets - refer also to the advice in
Section 5 of this Chapter.
10 Visually examine the camshaft lobes for
score marks, pitting, galling (wear due to
rubbing) and evidence of overheating (blue,
discoloured areas). Look for flaking away of
the hardened surface layer of each lobe. If any
such signs are evident, renew the component
concerned. 11
Examine the camshaft bearing journals
and the cylinder head bearing surfaces for
signs of obvious wear or pitting. If any such
signs are evident, renew the component
concerned.
12 Using a micrometer, measure the
diameter of each journal at several points. If
the diameter of any one journal is less than
the specified value, renew the camshaft.
13 To check the bearing journal running
clearance, remove the hydraulic tappets, use
a suitable solvent and a clean lint-free rag to
clean carefully all bearing surfaces, then refit
the camshafts and bearing caps with a strand
of Plastigauge across each journal. Tighten
the bearing cap bolts to the specified torque
wrench setting (do not rotate the camshafts),
then remove the bearing caps and use the
scale provided to measure the width of the
compressed strands. Scrape off the
Plastigauge with your fingernail or the edge of
a credit card - don’t scratch or nick the
journals or bearing caps.
14 If the running clearance of any bearing is
found to be worn to beyond the specified
service limits, fit a new camshaft and
repeat the check; if the clearance is still
excessive, the cylinder head must be renewed.
15 To check camshaft endfloat, remove the
hydraulic tappets, clean the bearing surfaces
carefully, and refit the camshafts and bearing
Zetec engine in-car repair procedures 2C•9
11.6a Removing hydraulic tappets
11.5b Inlet camshaft has lobe for camshaft position sensor11.5a Note locating dowels when removing camshaft bearing caps
11.8 Use a micrometer to measurediameter of hydraulic tappets11.6b Hydraulic tappets must be stored as described in text
2C
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25As the cylinder head is such a heavy and
awkward assembly to refit with manifolds, it is
helpful to make up a pair of guide studs from
two 10 mm (thread size) studs approximately
90 mm long, with a screwdriver slot cut in one
end - two old cylinder head bolts with their
heads cut off would make a good starting
point. Screw these guide studs, screwdriver
slot upwards to permit removal, into the bolt
holes at diagonally-opposite corners of the
cylinder block surface (or into those where the
locating dowels are fitted); ensure that
approximately 70 mm of stud protrudes
above the gasket.
26 Refit the cylinder head, sliding it down the
guide studs (if used) and locating it on the
dowels. Unscrew the guide studs (if used)
when the head is in place.
27 Fit the new cylinder head bolts dry ( do not
oil their threads); carefully enter each into its
hole and screw it in, by hand only, until finger-
tight.
28 Working progressively and in the
sequence shown, use first a torque wrench,
then an ordinary socket extension bar and an
angle gauge, to tighten the cylinder head bolts
in the stages given in the Specifications
Section of this Chapter (see illustrations).
Note: Once tightened correctly, following this
procedure, the cylinder head bolts do not
require check-tightening, and must notbe re-
torqued.
29 Refit the hydraulic tappets (if removed),
the camshafts, their oil seals and sprockets
(see Sections 11, 10 and 9, as appropriate).
Temporarily refit the crankshaft pulley, and
rotate the crankshaft clockwise to return the
pulley notches to the TDC position described
in Section 3.
30 Refit the earth lead to the lifting eye
31 Refit the timing belt and covers, checking
the camshaft alignment (valve timing) and
setting the timing belt tension, as described in
Section 8.
32 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) Refill the cooling system, and top-up the engine oil (see Chapter 1 and “Weekly
Checks”).
c) Check all disturbed joints for signs of oil or coolant leakage, once the engine has
been restarted and warmed-up to normal
operating temperature.
d) If the power steering hoses where
disconnected, bleed the system as
described in Chapter 10 after
reconnection.
13 Sump -
removal and refitting
2
Removal
Note: The full procedure outlined below must
be followed, so that the mating surfaces can
be cleaned and prepared to achieve an oil-
tight joint on reassembly, and so that the
sump can be aligned correctly; depending on
your skill and experience, and the tools and
facilities available, it may be that this task can
be carried out only with the engine removed
from the vehicle. Note that the sump gasket
must be renewed whenever it is disturbed.
1 Disconnect the battery negative (earth) lead
(refer to Chapter 5A, Section 1).
2 Drain the engine oil, then clean and refit the
engine oil drain plug, tightening it to the
specified torque wrench setting. Although not
strictly necessary as part of the dismantling
procedure, owners are advised to remove and
discard the oil filter, so that it can be renewed
with the oil (see Chapter 1).
3 Refer to Chapter 5A and remove the starter
motor.
4 Remove the auxiliary drivebelt cover (see
Chapter 1).
5 Unplug the electrical connector(s) to
disconnect the oxygen sensor.
6 Unscrew the nuts to disconnect the
exhaust system front downpipe from the
manifold, then either unhook all the system’s
rubber mountings and withdraw the complete
exhaust system from under the vehicle, or
remove only the downpipe/catalytic converter
(see Chapter 4E for details). 7
Unscrew the sump-to-transmission bolts,
also any securing the engine/transmission
lower adapter plate.
8 Progressively unscrew the sump retaining
bolts. Break the joint by striking the sump with
the palm of the hand, then lower the sump
and withdraw it with the engine/transmission
lower adapter plate (where fitted); note the
presence of any shims between the sump and
transmission.
9 Remove and discard the sump gasket; this
must be renewed as a matter of course
whenever it is disturbed.
10 While the sump is removed, take the
opportunity to remove the oil pump pick-
up/strainer pipe and to clean it (see Sec-
tion 14).Refitting
11 On reassembly, thoroughly clean and
degrease the mating surfaces of the cylinder
block/crankcase and sump, then use a clean
rag to wipe out the sump and the engine’s
interior. If the oil pump pick-up/strainer pipe
was removed, fit a new gasket and refit the
pipe, tightening its screws to the specified
torque wrench setting. Fit the new gasket to
the sump mating surface so that the gasket
fits into the sump groove (see illustration).
12 If the sump is being refitted with the
engine/transmission still connected and in the
vehicle, proceed as follows:
a) Check that the mating surfaces of the sump, the cylinder block/crankcase and
2C•12 Zetec engine in-car repair procedures
13.11 Ensure gasket is located correctly in sump groove
12.28c . . . and to Stage 3 using angle gauge12.28b Tightening cylinder head bolts
(Stages 1 and 2) using torque wrench . . .12.28a Cylinder head bolt tightening sequence
Note: View from rear of vehicle
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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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4Check the mountings to see if the rubber is
cracked, hardened or separated from the
metal components. Sometimes, the rubber
will split right down the centre.
5 Check for relative movement between each
mounting’s brackets and the engine/
transmission or body (use a large screwdriver
or lever to attempt to move the mountings). If
movement is noted, lower the engine and
check-tighten the mounting fasteners.
Renewal
6 The engine mountings can be removed if
the weight of the engine/transmission is
supported by one of the following alternative
methods.
7 Either support the weight of the assembly
from underneath using a jack and a suitable
piece of wood between the jack saddle and
the sump or transmission (to prevent
damage), or from above by attaching a hoist
to the engine. A third method is to use a
suitable support bar with end pieces which
will engage in the water channel each side of
the bonnet lid aperture. Using an adjustable
hook and chain connected to the engine, the
weight of the engine and transmission can
then be taken from the mountings.
Engine front right-hand mounting
8 This mounting consists of a two-piece
bracket bolted to the inner wing panel,
connected by the bonded-rubber mounting
itself to a (Y-shaped) bracket, bolted (via the
alternator mounting bracket) to the cylinder
block (see illustration) .
9 Unscrew the three bolts securing the front
right-hand mounting bracket to the alternator
mounting bracket.
10 Unscrew the bolts securing the mounting
bracket to the inner wing panel and chassis
rail and withdraw the mounting assembly.
Engine rear right-hand mounting
11 This mounting consists of the bonded-
rubber mounting secured to the inner wing
panel by a (horizontal) bolt, accessible from
within the wheel arch, and a (vertical) stud, the
retaining nut of which is accessible from the
engine compartment. The mounting is bolted
to a bracket, which is in turn bolted to the
cylinder block.
12 Unbolt the 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.
13 Unbolt the mounting from the cylinder
block bracket and withdraw the mounting
assembly.
Transmission bearer and mountings
14 On XR2i models, remove the front
suspension crossmember as described in
Chapter 10.
15 Unscrew and remove the two nuts
securing the mountings (front and rear) to the
transmission bearer
16 Support the transmission bearer, then
undo and remove the four retaining bolts from
the floorpan, two at the front and two at the
rear, and lower the transmission bearer from
the vehicle. Note plate fitment, as applicable,
for reassembly.
17 To remove the mountings from the
transmission, unscrew the upper bolt and
lower stud (front mounting) or the three nuts
(rear mounting) and withdraw the relevant
mounting and bracket assembly from the
transmission.
All mountings
18 Refitting of all mountings is a reversal of
removal. Make sure that the original sequence
of assembly of washers and plates is
maintained.
19 Do not fully tighten any mounting bolts
until they are all located. As the mounting
bolts and nuts are tightened, check that the
mounting rubbers do not twist.
17 Flywheel/driveplate -
removal, inspection and
refitting
3
Removal
1 Remove the transmission (see the relevant
Part of Chapter 7).
2 Where appropriate, remove the clutch
(Chapter 6).
3 Use a centre-punch or paint to make alignment marks on the flywheel/driveplate
and crankshaft, to ensure correct alignment
during refitting.
4
Prevent the flywheel/driveplate from turning
by locking the ring gear teeth, or by bolting a
strap between the flywheel/driveplate and the
cylinder block/crankcase. Slacken the bolts
evenly until all are free.
5 Remove each bolt in turn, and ensure that
new replacements are obtained for
reassembly; these bolts are subjected to
severe stresses, and so must be renewed,
regardless of their apparent condition,
whenever they are disturbed.
6 Noting the reinforcing plate (automatic
transmission models only), withdraw the
flywheel/driveplate; do not drop it - it is very
heavy.
Inspection
7 Clean the flywheel/driveplate to remove
grease and oil. Inspect the surface for cracks,
rivet grooves, burned areas and score marks.
Light scoring can be removed with emery
cloth. Check for cracked and broken ring gear
teeth. Lay the flywheel/driveplate on a flat
surface, and use a straight edge to check for
warpage.
8 Clean and inspect the mating surfaces of
the flywheel/driveplate and the crankshaft. If
the crankshaft left-hand seal is leaking, renew
it (see Section 15) before refitting the
flywheel/driveplate.
9 While the flywheel/driveplate is removed,
clean carefully its inboard (right-hand) face,
particularly the recesses which serve as the
reference points for the crankshaft speed/
position sensor. Clean the sensor’s tip, and
check that the sensor is securely fastened.
Refitting
10 On refitting, ensure that the engine/
transmission adapter plate is in place (where
necessary), then fit the flywheel/driveplate to
the crankshaft so that all bolt holes align - it
will fit only one way - check this using the
marks made on removal. Do not forget the
reinforcing plate (automatic transmission
models).
11 Lock the flywheel/driveplate by the
method used on dismantling. Working in a
diagonal sequence to tighten them evenly,
and increasing to the final amount in two or
three stages, tighten the new bolts to the
specified torque wrench setting.
12 The remainder of reassembly is the
reverse of the removal procedure, referring to
the relevant text for details where required.
2C•16 Zetec engine in-car repair procedures
16.8 Engine front right-hand mounting
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