trunk release FORD GRANADA 1985 Service Repair Manual

Instruments and electrical
equipment
1Check the operation of all instruments and
electrical equipment.
2Make sure that all instruments read
correctly, and switch on all electrical
equipment in turn to check that it functions
properly.
Steering and suspension
3Check for any abnormalities in the steering,
suspension, handling or road “feel”.
4Drive the vehicle, and check that there are
no unusual vibrations or noises.
5Check that the steering feels positive, with
no excessive “sloppiness”, or roughness, and
check for any suspension noises when
cornering, or when driving over bumps.
Drivetrain
6Check the performance of the engine,
clutch, transmission and driveshafts.
7Listen for any unusual noises from the
engine, clutch and transmission.
8Make sure that the engine runs smoothly
when idling, and that there is no hesitation
when accelerating.
9Where applicable, check that the clutch
action is smooth and progressive, that the
drive is taken up smoothly, and that the pedal
travel is not excessive. Also listen for any
noises when the clutch pedal is depressed.
10Check that all gears can be engaged
smoothly, without noise, and that the gear
lever action is not abnormally vague or
“notchy”.
Check the operation and
performance of the braking system
11Make sure that the vehicle does not pull to
one side when braking, and that the wheels do
not lock prematurely when braking hard.
12Check that there is no vibration through
the steering when braking.
13Check that the handbrake operates
correctly, without excessive movement of the
lever, and that it holds the vehicle stationary
on a slope.
14Test the operation of the brake servo unit
as follows. With the engine off, depress the
footbrake four or five times to exhaust the
vacuum. Start the engine, holding the brake
pedal depressed. As the engine starts, there
should be a noticeable “give” in the brake
pedal as vacuum builds up. Allow the engine
to run for at least two minutes, and then
switch it off. If the brake pedal is depressed
now, it should be possible to detect a hiss
from the servo as the pedal is depressed. After
about four or five applications, no further
hissing should be heard, and the pedal should
feel considerably firmer.1The power steering fluid dipstick is
incorporated in the reservoir filler cap. The
reservoir is mounted on the pump. Observe
scrupulous cleanliness when checking the
level or topping-up.
2The system should be at operating
temperature and the engine switched off.
Wipe clean around the reservoir filler cap.
Unscrew the cap, withdraw the dipstick and
wipe it with a clean lint-free rag. Reinsert the
dipstick, screw the cap home, then unscrew it
again and read the level on the dipstick. It
should be up to the MAX or upper HOT mark
(depending on the dipstick markings) (see
illustration).
3Top-up if necessary with clean fluid of the
specified type. Check for leaks if topping-up is
frequently required.
4If the level is checked cold, use the MIN or
FULL COLD mark on the dipstick for reference.
Recheck the level at operating temperature.
On carburettor models, remove the air
cleaner cover and check that the automatic
choke is opening fully when the engine is hot.
Run the engine until it reaches normal
operating temperature. Stop the engine and
immediately restart it. If the engine fails to start
cleanly and immediately then refer to either
Chapters 4 or 5 and check fuel feed
adjustments.
37Hot starting check
36Automatic choke check
35Power steering fluid level
check34Road test
Carburettor models
SOHC engines
1Remove the screws from the air cleaner
cover(see illustration).
2Release the spring clips (when fitted), then
lift off the cover (see illustration).
3Lift out the air cleaner element(see
illustration). Wipe clean inside the air cleaner
housing, but be careful not to sweep dirt into
the carburettor throat.
4Where it is necessary to remove the air
cleaner body for cleaning or repair, first
disconnect the cold air inlet trunking from the
spout (see illustration). 5Disconnect the vacuum pipe from the inlet
manifold, and the hot air trunking from the
spout or exhaust manifold shroud(see
illustration). 6Remove the remaining screw which secures
the air cleaner to the valve cover, then lift off
the air cleaner.
7Refit by reversing the removal operations.
38Air cleaner filter element
renewal
1•16Every 24 000 miles or 2 years
35.2 Removing the power steering fluid
dipstick
38.2 Releasing an air cleaner cover clip
(carburettor model)38.1 Removing an air cleaner cover screw
(carburettor model)
Every 24 000 miles or 2 years
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DOHC engine
8Proceed as described above whilst noting
that the camshaft cover breather hose must
be disconnected before the air cleaner can be
removed.
Fuel-injection models
SOHC and V6 engines
9Release the four spring clips which secure
the air cleaner cover(see illustration).
10Lift off the cover and move it aside. It is
attached to the vane airflow meter(s): be
careful not to strain the air trunking or meter
wiring. To remove the cover completely,
disconnect the meter(s) or unbolt the cover
(see illustration).
11Remove the air cleaner element, notingwhich way up it is fitted (see illustration).
Wipe clean inside the air cleaner body.
12Where it is necessary to remove the air
cleaner body for cleaning or repair, remove the
three securing nuts which are accessible from
inside the left-hand wheel arch. Disengage the
body from the air pick-up hose and remove it.
13Refit by reversing the removal operations.DOHC engine
14To renewthe element, disconnect the
battery negative lead.
15Disconnect the wiring plug from the idle
speed control valve at the front of the plenum
chamber.
16Loosen the clamp, and detach the air inlet
hose from the air inlet tubing.
17Unscrew the securing nut, and release theair inlet tube from the bracket on the engine
compartment front panel (see illustration).
18Release the air cleaner lid securing clips,
then lift away the air inlet tube, plenum
chamber and air cleaner lid as an assembly,
disconnecting the breather hose from the air
inlet tube.
19Lift out the air cleaner element, then wipe
the inside of the air cleaner lid and casing
clean (see illustration).
20Fit the new element with the sealing lip
uppermost.
21Further refitting is a reversal of removal.
22To remove and refit the air cleaner
housing, refer to paragraph 12.
23Refitting is the reverse of the removal
procedure.
1Before disturbing any part of the ignition
system, disconnect the battery negative lead.
2Identify and clearly mark all HT leads before
disconnecting them from the spark plugs.
All engines except DOHC
3On V6 models, remove the screening can lid
(see illustration).
4Remove the coil-to-distributor HT lead
(sometimes called the king lead) by
disconnecting it from the coil tower and the
distributor cap.
5Disconnect the other HT leads from the
39Ignition system component
check
1•17
1
Every 24 000 miles or 2 years
38.4 Disconnecting the air cleaner cold air
inlet trunking (carburettor model)38.5 Air cleaner hot air trunking and
manifold shroud (carburettor model)38.3 Removing the air cleaner element
(carburettor model)
38.17 Air intake tube retaining nut
(fuel-injection DOHC)38.19 Removing the air cleaner element
(fuel-injection DOHC)38.11 Removing the air cleaner element
(fuel-injection SOHC and V6)
38.9 Air cleaner cover spring clip
(fuel-injection SOHC and V6)38.10 Airflow meter to cover bolts
(arrowed) (fuel-injection SOHC and V6)
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The cylinder head is of crossflow design
with the inlet manifold mounted on the left-
hand side and the exhaust manifold mounted
on the right-hand side.
Lubrication is by means of a bi-rotor pump
which draws oil through a strainer located
inside the sump, and forces it through a full-
flow filter into the engine oil galleries where it
is distributed to the crankshaft, camshaft and
auxiliary shaft. The big-end bearings are
supplied with oil via internal drillings in the
crankshaft.The undersides of the pistons are
supplied with oil from drillings in the big-ends.
The distributor shaft is intermittently supplied
with oil from the drilled auxiliary shaft. The
camshaft and cam followers are supplied with
oil via a drilled spray tube from the centre
camshaft bearing.
A semi-closed crankcase ventilation system
is employed whereby piston blow-by gases
are drawn into the inlet manifold via an oil
separator and on carburettor models a control
valve.
The following operations can be carried out
without removing the engine, although the
work may be easier and quicker with the
engine removed:
a)Removal and refitting of the cylinder head
b)Removal and refitting of the camshaft
(after removing the cylinder head)
c)Removal and refitting of the timing belt
and sprockets
d)Removal and refitting of the sump and oil
pump
e)Removal and refitting of the pistons,
connecting rods and big-end bearings
f)Renewal of the engine mountings
g)Renewal of the crankshaft oil seals
h)Removal and refitting of the auxiliary shaft
j)Removal and refitting of the flywheel
The engine must be removed from the
vehicle for the following operations:
a)Renewal of the crankshaft main bearings
b)Removal and refitting of the crankshaft
The engine may be lifted out either on its
own or together with the gearbox. Unless work
is also necessary on the gearbox it is
recommended that the engine is removed on
its own. Where automatic transmission is
fitted, the engine should be removed on its
own owing to the additional weight. If the
engine and gearbox are removed together,
they will have to be tilted at a very steep angle;
make sure that the range of the lifting tackle is
adequate.1Disconnect the battery negative lead.
2Remove the bonnet.
3On carburettor models, remove the air
cleaner. On fuel-injection models, remove the
air cleaner cover, vane airflow meter and air
inlet trunking.
4If a splash guard is fitted, remove it.
5Release the securing clips and bolts and
remove the upper half of the fan shroud. On
carburettor models remove the lower half of
the shroud too.
6Drain the cooling system.
7Disconnect the radiator top and bottom
hoses from the thermostat housing and water
pump. Disconnect the top hose spur from the
expansion tank and unclip it.
8Disconnect the heater hoses from the water
pump and from the inlet manifold or automatic
choke housing. Unclip the hoses.
9On models with power steering, remove the
steering pump.
10Disconnect the vacuum pipe(s) from the
inlet manifold, labelling them if there is any
possibility of confusion.
11Disconnect the following wiring, as
applicable:
a)Alternator
b)Temperature gauge sender
c)Engine management temperature sensor
d)Distributor
e)Oil pressure switch
f)Automatic choke and thermo-switch
g)Carburettor stepper motor
h)Fuel-injection system sub-harness
j)Inlet manifold heater
12Disconnect the HT lead from the coil.
13If an oil level sensor is fitted, remove it
(see illustration).
14Unbolt the throttle cable bracket,
disconnect the inner cable and move the cable
and bracket aside. Also disconnect the
downshift cable on automatic transmission
models.
15On carburettor models, disconnect the
fuel lines from the fuel pump (mechanised
type) and from the carburettor. Be prepared
for fuel spillage.
16On fuel-injection models, disconnect the
fuel supply union from the injector rail, and the
fuel return pipe from the fuel pressureregulator. Be prepared for fuel spillage, and
for some spray if the supply side is still
under pressure.
17Unbolt the exhaust downpipe from the
manifold.
18On models with air conditioning, unbolt
the compressor and move it aside without
straining the flexible hoses.
19Remove the starter motor.
20Although not specified by the
manufacturers, the author advises that either
the radiator or the cooling fan be removed, to
reduce the risk of damage.
21Attach the lifting tackle to the two lifting
eyes on the engine, so that when suspended
the engine will be roughly horizontal. Take the
weight of the engine.
22Remove the single nut on each side which
secures each engine bearer to its mounting.
23Working under the vehicle, remove the
bracing strap which connects the engine and
transmission. Unbolt the adapter plate from
the bottom of the transmission bellhousing.
24On automatic transmission models, unbolt
the torque converter from the driveplate.
25Remove the engine-to-bellhousing bolts.
Note the location of the battery earth strap.
26Support the transmission, preferably with
a trolley jack.
27Check that nothing has been overlooked,
then raise the engine and draw it forwards
clear of the transmission input shaft. Do not
allow the weight of the engine to hang on the
shaft, and do not lift the transmission by it.
28On automatic transmission models, make
sure that the torque converter stays engaged
with the oil pump in the transmission as the
engine is withdrawn,
29Lift the engine out of the engine bay and
take it to the bench.
1Engine removal with automatic transmission
is not recommended.
2Proceed as in the previous Section,
paragraphs 1 to 18.
3Disconnect the wiring from the starter
motor, and release the battery earth cable
from its bellhousing bolt.
4Remove the radiator.
5Remove the propeller shaft.
6Disconnect and unclip the reversing light
switch and speedometer sender unit wiring.
7Disconnect the clutch cable.
8Unbolt the anti-roll bar mounting brackets
and lower the anti-roll bar as far as possible.
9From inside the vehicle remove the gear
lever.
10Drain the engine oil.
11Unhook the exhaust system from its
mounting on the gearbox crossmember. Either
support the system or remove it completely.
12Support the gearbox, preferably with a
trolley jack, then unbolt and remove the
gearbox crossmember. Note the earth strap (if
fitted) under one of the crossmember bolts.
13Attach lifting tackle to the two lifting eyes
on the engine so that when suspended it will
be at an angle of approximately 45°.
6Engine - removal with manual
gearbox
5Engine - removal leaving
gearbox/transmission in vehicle
4Methods of engine removal
3Major operations requiring
engine removal
2Major operations possible with
the engine in the vehicle
SOHCengines 2A•5
2A
5.13 Oil level sensor
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meters and air inlet trunking. Also remove the
oil filler cap, which is connected to the
trunking by a crankcase ventilation hose.
5Release the securing clips and bolts and
remove the upper half of the fan shroud.
6Drain the cooling system and remove the
radiator.
7Disconnect the heater hoses from the
heater matrix and from the coolant outlet.
Unclip the hoses.
8Remove the fan and viscous clutch (where
fitted).
9Disconnect the following wiring:
a)Alternator
b)Temperature gauge sender
c)Engine management temperature sensor
d)Oil pressure switch
e)Idle speed control valve
f)Throttle position sensor
g)Injector nut-harness
h)Distributor multi-plug
i)Distributor-to-coil HT lead
10Disconnect the throttle cable. When
applicable, also disconnect the downshaft
cable or switch.
11Depressurise the fuel system and
disconnect the fuel supply and return lines
(see Chapter 4).
12Remove the steering pump and air
conditioning compressor drivebelts (as
applicable). Unbolt the steering pump and
compressor, move them aside within the limitsof their flexible hoses and support them by
wiring them to adjacent components.
13Remove the distributor cap and rotor.
14Remove the starter motor.
15Drain the engine oil. Unscrew the oil filter
with a strap or chain wrench and remove it; be
prepared for oil spillage.
16On manual gearbox models, disconnect
the clutch cable from the release lever.
17Unbolt the exhaust pipes from the
manifolds.
18On automatic transmission models, unbolt
the torque converter from the driveplate.
19Attach lifting tackle to the engine. If no
lifting eyes are fitted, pass ropes or chains
round the exhaust manifolds.
20Take the weight of the engine, then
remove the single nut on each side which
holds engine bearer to its mountings.
21From under the vehicle unbolt the engine
adapter plate from the bellhousing.
22Remove the engine-to-bellhousing bolts.
Also disconnect or unclip the battery negative
lead, the starter motor lead and the heat
shield.
23Support the transmission, preferably with
a trolley jack.
24Check that nothing has been overlooked,
then raise the engine and draw it forwards
clear of the transmission input shaft. Do not
allow the weight of the engine to hang on the
shaft, and do not lift the transmission by it.25With automatic transmission, make sure
that the torque converter stays engaged with
the oil pump in the transmission as the engine
is withdrawn.
26Lift the engine out of the engine bay and
take it to the bench.
2.4 & 2.9 litre engines
27The removal operations for these engines
are essentially as described for the 2.8 litre
version. Note the following points.
Coolant hoses
28Remove the hoses which run between the
thermostat housing and the water pump, and
the cooling system expansion tank.
29Remove the heater hoses which run
between the thermostat housing or coolant
distribution pipe and oil cooler (where fitted).
Vacuum hoses
30Disconnect the hose from the fuel
pressure regulator.
31Disconnect the hose from the plenum
chamber.
32Disconnect the hose from the throttle valve.
33Disconnect the hose from the T-piece
connector.
V6 engines 2C•7
2C
1.1 Exploded view of V6 engine
1 Water inlet connection
2 Thermostat
3 Water pump
4 Timing cover
5 By-pass hose flange
7 Camshaft thrust plate
8 Camshaft gear
9 Crankshaft gear
10 Flywheel
11 Crankshaft pilot
bearing
12 Oil seal
13 Oil pump drive shaft
14 Main bearing
15 Oil pump
It may be necessary to rock
the engine a little to release it
from the gearbox.
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panel. Disconnect the wiring connectors from
the heated window switches and fuel
computer (where fitted) and remove the panel
from the car.
14Undo the two retaining screws then
manoeuvre the control panel out of the facia
and disconnect the wiring connector (see
illustration).
15Unclip the central fan switch from the
panel then, using a small flat-bladed
screwdriver, bend back the retaining tabs and
remove the cover from the panel base plate
(see illustration).
16Cut the cable retaining clips then release
the cables from the toothed guides and
remove the base plate.
17Refitting is a reversal of the removal
procedure securing the cables to the base
plate using new retaining clips.
Models before April 1992
Front
1Remove the heater controls as described in
the previous Section.
2Remove the centre console as described in
Chapter 12. Also remove the console bracket
and the gear lever inner gaiter.
3Unclip the under-dash trim on both sides.
Remove the glovebox lid.
4Remove the radio (Chapter 13).
5Remove the ABS and (when applicable) the
EEC IV modules (Chapters 10 and 13).
6Remove the remaining lower trim on the
passenger side to expose the heater casing.
7Remove the two securing screws and
release the cables from the heater.
8When refitting, place the air distribution and
temperature control valve levers in their
uppermost positions, then connect the cables.
9The remainder of refitting is a reversal of the
removal procedure.
Rear
10Remove the centre console (Chapter 12).
11Remove the front seat on the side
concerned. Also remove the rear seat cushion. 12Remove the front seat belt lower anchor bolt.
13Remove the front scuff plate, which is
secured by three screws. Remove the front
screw from the rear scuff plate.
14Roll back the front carpet from the scuff
plates to expose the heater cable. Release the
cable from its ties and disconnect it from the
control unit and the nozzle (see illustration).
15Refit by reversing the removal operations.
Models from April 1992
16Remove the facia undercovers, the right-
hand lower facia panel and the glovebox .
17Undo the two retaining nuts, then release
the retaining clips and remove the trim panel
from the glovebox aperture.
18Remove the heater control panel.
19Slacken and remove the control cable
retaining screws then release the retaining
clips (one screw and one clip for each cable).
Detach the cables from the heater assembly
and withdraw them from the facia whilst noting
the correct routing (see illustration).
20Refitting is a reverse of the removal
procedure noting the following points.
a)Ensure that the cables are correctly routed
prior to connecting them to the heater
housing.
b)Prior to refitting the glovebox aperture trim
panel, check that the panel controls
function correctly and that the cables
move the relevant operating lever
smoothly from the fully open to the fully
closed position without any trace of undue
friction.
Models before April 1992
1Disconnect the battery negative lead.
2Depressurise the cooling system by
slackening the expansion tank cap. Take
precautions against scalding if the system is
hot.3Disconnect the two heater hoses from the
stubs on the bulkhead. Be prepared for some
coolant spillage: catch the coolant in a clean
container if it is fit for re-use. Plug the hoses,
or tie them up with their open ends raised.
4Expel as much coolant as possible from the
heater matrix by blowing through it.
5Remove the matrix connector plate and
gasket from the bulkhead.
6Working inside the vehicle, remove the
centre console and other trim as described for
access to the heater control cables .
7Remove the instrument cluster surround,
which is secured by four screws. Also pull out
the heater louvre panel.
8Remove the facia panel top, which is
secured by five screws and four clips.
9Detach the air trunking from the heater
casing. Release the trunking from the
bulkhead when necessary.
10Remove the two nuts which secure the
heater unit. Pull the unit into the vehicle until
the pipe stubs are clear of the bulkhead, then
remove it sideways. Be prepared for coolant
spillage.
11Check the condition of the foam gasket on
the bulkhead and renew it if necessary.
12Refit by reversing the removal operations.
13Top-up the cooling system on completion,
and check the level again after the engine has
been run.
Models from April 1992
14Disconnect the battery negative terminal.
15Drain the cooling system.
19Heater assembly - removal
and refitting
18Heater control cables -
removal and refitting
3•8Cooling, heating and ventilation systems
17.14 Heater control panel retaining screws
(arrowed)
18.19 Heater control cable retaining screw
and clip (arrowed)
17.15 Exploded view of the heater control
panel
A Control cable retaining clips
B Cover
C Fan switch
D Base plate18.14 Rear heater control cable at nozzle
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4With the engine cold, disconnect the cold
air inlet trunking from the spout. Look into the
spout and check that the flap valve is covering
the hot air inlet.
5Start the engine and allow it to idle. Check
that the flap moves to cover the cold air inlet. If
the flap does not move, check the diaphragm
and heat sensor as follows.
6Stop the engine. Disconnect the diaphragm
vacuum pipe from the heat sensor. Apply
vacuum to the diaphragm, using a vacuum
head pump or by connecting the pipe directly
to manifold vacuum. If the flap now moves, the
heat sensor or vacuum line was faulty. If the
flap still does not move, the diaphragm is
faulty or the flap is jammed.
7On completion reconnect the vacuum pipe
and the cold air trunking.
Mechanical
1Carburettor models without air conditioning
are fitted with a mechanical fuel pump, located
on the left-hand side of the engine block.
2To test the pump, disconnect the ignition
coil LT lead. Disconnect the outlet hose from
the pump and place a wad of rag next to the
pump outlet. Take appropriate fire
precautions.
3Have an assistant crank the engine on the
starter. Well-defined spurts of fuel must beejected from the pump outlet - if not, the pump
is probably faulty (or the tank is empty).
Dispose of the fuel-soaked rag safely.
4To remove the fuel pump, first disconnect
the battery negative lead.
5Disconnect and plug the pump inlet and
outlet hoses. Be prepared for fuel spillage.
6Unscrew the two bolts and withdraw the
pump from the cylinder block. Remove the
gasket. If necessary extract the pushrod (see
illustrations).
7Clean the exterior of the pump in paraffin
and wipe dry. Clean all traces of gasket from
the cylinder block and pump flange.
8If the fuel pump has a removable cover,
remove the screw and withdraw the cover and
nylon mesh filter with seal (see illustrations).
Clean the filter, cover and pump in fuel. Locate
the filter in the cover and fit the cover to the
pump so that the pipe and indentation are
aligned. Tighten the screw.
9Refitting is a reversal of removal, but fit a
new gasket and tighten the bolts to the
specified torque. If necessary discard the
crimped type hose clips and fit screw type
clips.
Electrical
SOHC and 2.8 litre V6 engines
10All fuel-injection models, and carburettor
models when fitted with air conditioning, have
an electric fuel pump. The two types of pump
are not the same, although both are mounted
under the vehicle next to the fuel tank.11If the fuel pump appears to have failed
completely, check the appropriate fuse and
relay. On fuel-injection models, also check the
inertia switch (when fitted).
12To test the carburettor type pump,
disconnect the fuel supply hose from the
pressure regulator or vapour separator in the
engine compartment. Lead the hose into a
measuring cylinder.
13Take appropriate fire precautions. Switch
on the ignition for 30 seconds and measure
the quantity of fuel delivered: it should be at
least 400 cc (0.7 pint).
14To test the fuel-injection type pump,
special equipment is required. Consult a Ford
dealer or other fuel-injection specialist. The
problem may be due to a clogged filter.
15To remove a pump, first disconnect the
battery negative lead. Take appropriate fire
precautions.
16Raise and support the rear of the vehicle.
Clean the fuel pump and its surroundings.
17Clamp the tank-to-pump hose, or make
arrangements to collect the contents of the
fuel tank which will otherwise be released.
18Place a drain pan beneath the pump.
Disconnect the inlet and outlet hoses; be
prepared for fuel spillage. Caution: Fuel under
pressure may spray out of the outlet hose
union as it is slackened.
19Disconnect the wiring plug from the pump.
20Slacken the pump bracket clamp bolt and
slide the pump out of the bracket.
21Refit by reversing the removal operations.
Make sure that all hoses and unions are in
good condition.
22On2.4 & 2.9 litre V6 engines up to mid-
1990, switch the ignition on and off five times,
without cranking the engine, to pressurise the
fuel system then check the pump unions for
signs of leakage.
23Run the engine and check for leaks.
DOHC engine
24On these models the fuel pump is
mounted in the fuel tank, on the same
mounting as the fuel level sender unit(see
illustration).To test the pump specialist
equipment is required, therefore this task must
be entrusted to a Ford dealer.
4Fuel pump - testing, removal
and refitting
Fuel and exhaust systems 4•5
4
4.6a Removing the mechanical fuel pump4.6b Fuel pump pushrod
4.8a Removing the fuel pump cover - note
alignment indentations4.8b Fuel pump cover and filter screenA Fuel pumpB Fuel level sender unit
4.24 Combined fuel pump/fuel level sender
unit
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9Unscrew the securing nut, and release the
air inlet tube from the bracket on the engine
compartment front panel.
10Disconnect the wiring plug from the idle
speed control valve.
11Release the air cleaner lid securing clips,
then remove the air inlet tube, plenum
chamber, and air cleaner lid as an assembly,
disconnecting the breather hose from the air
inlet tube.
12Unscrew the two securing bolts, and
withdraw the valve from the air inlet tube (see
illustration). Recover the gasket.
13Clean the valve and air inlet tube mating
faces before refitting, taking care not to allow
dirt to enter the air inlet tube.
14Refitting is a reversal of removal, using a
new gasket.15On completion, start the engine and check
that the idle speed is stable - if not, check for
air leaks around the valve. Switch on all
available electrical loads and check that the
idle speed is maintained - if not, suspect a
faulty valve.
OHC engines
1Disconnect the battery negative lead.
2Release the locking clip and disconnect the
multi-plug from the meter (see illustration).
3Release the hose clip and disconnect the air
trunking from the meter.
4Unclip the air cleaner cover and remove it
with the meter. Do not drop or jar it.
5To separate the meter from the cover,
remove the four retaining bolts.
6Refit by reversing the removal operations.
Make sure that the seal in the air cleaner cover
is correctly located and align the hose clip
(seeillustration).
7Check the exhaust CO level on completion.
V6 engines
8Proceed as described above, noting that
there are two meters instead of one.
SOHC and 2.8 litre V6 engines
1Disconnect the battery negative lead.
2On V6 models, remove the throttle linkage
cover, which is secured by three screws.
3Remove the trunking which connects the
airflow meter(s) to the inlet manifold.
4On OHCmodels, release the distributor cap
and place it clear of the fuel rail. It will be
necessary to disconnect the cap-to-coil HT
lead at the coil.
5Disconnect the multi-plugs from the idle
speed control valve, the throttle position
sensor and the coolant temperature sensor.
6On V6 models, unclip the HT leads from the
fuel pressure regulator bracket.
7Disconnect the vacuum and fuel pipes from
the fuel pressure regulator, and the fuel feed
union from the fuel rail (see illustration). Be
prepared for fuel spillage.
8On V6 models, disconnect the throttle
cable(s). Remove the plenum chamber and
throttle body.
9Disconnect the injector wiring harness.
10Unbolt the fuel rail and remove it with the
injectors (see illustrations). It will be
necessary to pull on the rail in order to free the
injectors from the manifold.
11Disconnect the multi-plugs from the
injectors (see illustration).
36Fuel-injectors - removal and
refitting
35Vane airflow meter(s) -
removal and refitting
4•16Fuel and exhaust systems
34.12 Withdrawing the idle speed control
valve
36.7 Fuel feed union (arrowed) on fuel rail
36.10a Fuel rail and injectors36.10b Fuel rail retaining bolts (arrowed) on
V6 inlet manifold36.11 Disconnecting a fuel injector multi-
plug
35.2 Disconnecting the airflow meter multi-
plug. Meter is inverted to show locking clip
(arrowed)35.6 Correct alignment of air inlet trunking
and hose clip
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24Unbolt and remove the regulator from the
fuel rail. Remove the sealing O-ring and
discard it; a new one must be used on
refitting.
25Refitting is a reverse of the removal
procedure applying a smear of clean engine oil
to the new regulator O-ring. On models
equipped with a late level regulator, ensure
that the return pipe is securely held in position
by the retaining collar.
26On completion, switch the ignition on and
off five times without cranking the engine to
pressurise the fuel system.
27With the system pressurised check all
disturbed fuel unions for signs of leakage.
1The potentiometer is located on the right-
hand side of the engine compartment, behind
the MAP sensor.
2Disconnect the battery negative lead.
3Remove the securing screw, then withdraw
the potentiometer and disconnect the wiring
plug.
4Refitting is a reversal of removal. On
completion adjust the idle mixture.1On 2.4 & 2.9 litre V6 engines, disconnect the
battery.
2Disconnect the switch wiring connector.
3Slacken and remove the switch from the
fuel rail (see illustration).
4Refitting is a reverse of removal, tightening
the switch to the specified torque setting.
Carburettor models
All engines except DOHC
1Remove the carburettor or, if preferred, the
final removal of the carburettor from the
manifold can be left until the manifold has
been removed).
2Drain the cooling system.
3Disconnect the coolant and vacuum pipes
from the manifold, noting their positions if
there is any possibility of confusion.
4Disconnect the wires from the manifold
heater and the coolant temperature sender
unit.
5Disconnect the crankcase ventilation hose
from the manifold.
6Unscrew the six nuts and bolts which
secure the manifold and withdraw it. Recover
the gasket.
7Before refitting the manifold, make sure that
the mating surfaces are perfectly clean.
8Apply a bead of sealant at least 5 mm (0.2 in)
wide around the central coolant aperture on
both sides of a new gasket.
9Place the gasket over the studs, then fit the
manifold and secure it with the six nuts and
bolts. Tighten the nuts and bolts evenly to the
specified torque.
10The remainder of refitting is a reversal of
the removal procedure. Refill the cooling
system on completion.
DOHC engine
11Disconnect the battery negative lead.
12Drain the cooling system.13Remove the air cleaner.
14Disconnect the coolant hoses from the
thermostat housing and the inlet manifold,
noting the locations to assist with refitting.
15Disconnect the fuel supply and return
hoses from the carburettor. Plug their ends to
minimise petrol spillage.
16Release the coolant hose from the bracket
under the automatic choke housing.
17Disconnect the HT leads from the spark
plugs, and move them to one side.
18Disconnect all relevant wiring and vacuum
pipes from the carburettor, thermostat
housing and inlet manifold, noting the
locations as an aid to refitting.
19Disconnect the crankcase breather hose
from the inlet manifold.
20Disconnect the throttle cable from the
throttle linkage.
21Make a final check to ensure that all
relevant wires, pipes and hoses have been
disconnected to facilitate removal of the
manifold.
22Unscrew the ten bolts and two nuts
securing the manifold to the cylinder head.
23Lift the manifold clear of the cylinder head
and recover the gasket.
24Recover the two plastic spark plug spacers
from the recesses in the cylinder head.
25If desired, the carburettor can be removed
from the manifold by unscrewing the securing
screws.
26Refitting is a reversal of removal, bearing
in mind the following points.
a)Ensure that all mating faces are clean and
renew all gaskets.
b)Ensure that the spark plug spacers are in
position in the cylinder head recesses
before refitting the manifold.
c)Tighten all manifold securing nuts and
bolts progressively to the specified torque.
d)Make sure that all hoses, pipes and wires
are securely reconnected in their original
positions. Replace all crimp-type hose
clips (where fitted) with standard worm
drive hose clips.
e)On completion, refill the cooling system,
check the adjustment of the throttle cable,
then check, and if necessary adjust the
idle speed and mixture.
Fuel-injection models
SOHC engine
27Disconnect the battery negative lead.
28Drain the cooling system.
29Disconnect the vacuum pipe(s) from the
manifold. The number of pipes varies
according to equipment. Label the pipes if
necessary (see illustration).
30Disconnect the fuel-injection harness
multi-plugs at the bulkhead end of the
manifold (see illustration).
31Disconnect the oil pressure warning light
sender wire from below the manifold.
32Release the hose clips and move the
airflow meter-to-manifold trunking clear of the
manifold.
40Inlet manifold - removal and
refitting
39Fuel rail temperature switch -
removal and refitting
38Mixture adjustment
potentiometer - removal and
refitting
Fuel and exhaust systems 4•19
4
39.3 Fuel rail components
A Fuel pressure regulator
B Fuel temperature switch
C Fuel rail
D Fuel injectors
40.29 Manifold vacuum pipe T-piece
(arrowed)40.30 Fuel-injection wiring harness plugs
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55Release the throttle position sensor wiring
connector from the clip under the throttle
body, and separate the two halves of the
connector.
56Remove the fuel-injectors.
57Check that all relevant wiring, hoses and
pipes have been disconnected to facilitate
removal of the manifold.
58Unscrew the ten bolts and two nuts
securing the inlet manifold to the cylinder
head, and carefully withdraw the manifold.
Recover the gasket.
59Recover the two plastic spark plug
spacers from the recesses in the cylinder head
(see illustration).
60If desired, the manifold can be dismantled
with reference to the relevant paragraphs of
this Chapter.
61Refitting is a reversal of removal, bearing
in mind the following points.
a)Ensure that the spark plug spacers are in
position in the cylinder head recesses
before refitting the manifold.
b)Ensure manifold and cylinder head mating
surfaces are clean and dry and fit a new
gasket.
c)Tighten the manifold retaining nuts and
bolts evenly and progressively to the
specified torque.
d)Refit the fuel-injectors.
e)Make sure that all hoses, pipes and wires
are securely reconnected in their original
positions.
f)On completion, refill the cooling system.
g)Check the adjustment of the throttle cable
and where necessary, adjust the speed
control cable so that only a small amount
of slack is present in the cable.
h)Where applicable, check and if necessary
adjust the idle speed and mixture.
V6 engines
62Disconnect the battery negative lead.
63Drain the cooling system.
64Remove the throttle linkage cover.
65Release the hose clips and move the
airflow meter-to-manifold trunking aside.
Unclip or remove the crankcase ventilation
hose.
66Disconnect the radiator top hose and the
heater hose from the outlet at the front of the
manifold. Be prepared for some coolant spillage.67Disconnect the multi-plugs from the idle
speed control valve, the temperature gauge
sender unit; the coolant temperature sensor
and the throttle position sensor. Also
disconnect the injector wiring harness.
68Disconnect the throttle cable from the
linkage, unclip it and move it aside. On
automatic transmission models, also
disconnect the downshift cable or multi-plug,
as applicable.
69Disconnect the fuel feed and return pipes.
Be prepared for fuel spillage.
70Remove the HT leads and the distributor.
71Remove the plenum chamber, which is
secured by eight bolts.
72Remove the rocker covers, which are each
secured by seven bolts.
73Disconnect the water pump bypass hose
from the inlet manifold.
74Remove the eight bolts which secure the
inlet manifold to the cylinder heads.
75Lift off the manifold complete with fuel
pressure regulator, fuel rail, throttle body
housing etc. If it is stuck, carefully lever it free.
Do not apply leverage at the mating faces.
Recover the gasket.
76Clean all mating faces, being careful to
keep dirt out of ports and other orifices.
Obtain new gaskets for both the cylinder head
and plenum chamber sides of the manifold,
and for the rocker covers.
77Commence refitting by applying sealant
(Ford part No A70X-19554-BA, or equivalent)
around the ports and coolant passages on the
cylinder head.
78Apply sealant around the apertures on
both sides of the gasket. then fit the gasket to
the cylinder heads.
79Refit the manifold and insert the securing
bolts. Tighten the bolts, in the order shown
(see illustration),through the first four stages
given in the Specifications.
80Refit the water pump bypass hose.
81Refit the rocker covers, using new
gaskets. The adhesive sides of the gaskets
must face the covers.
82Reverse the remaining removal
operations, but do not refit the throttle linkage
cover yet.
83When the cooling system has beenrefilled, reconnect the battery and start the
engine. Check for fuel and other leaks.
84Bring the engine to operating temperature,
then stop it and carry out the final tightening of
the inlet manifold bolts as follows.
85Release the air inlet trunking. Unplug the
idle speed control valve and the throttle
position sensor. Unbolt the plenum chamber
and move it aside, disconnecting vacuum and
breather hoses as necessary.
86Slacken, but do not remove, the two bolts
which secure the fuel rail to the manifold.
87Tighten the inlet manifold bolts to the
Stage 5 specified torque, again following the
sequence shown. A special cranked spanner
(Ford tool No 21-079, or equivalent)(see
illustration)will be needed to tighten No 4
bolt when the distributor is fitted. In the
absence of such a spanner, remove the
distributor again.
88Tighten the fuel rail securing bolts.
89Refit the disturbed components. Run the
engine again and check the ignition timing and
the exhaust CO level .
90Refit the throttle linkage cover.
SOHC and all V6 engines
1Disconnect the battery negative lead.
2Apply copious quantities of penetrating oil
to the manifold and exhaust pipe flange nuts
and bolts.
3On carburettor models, remove the air
cleaner and the hot air pick-up pipe.
4Unbolt any heat shields or shrouds from the
manifold.
5Unbolt the exhaust pipe(s) from the manifold
flange. Support the exhaust system if
necessary.
6Unbolt the manifold from the cylinder head
and remove it. Recover the gasket.
7Refit by reversing the removal operations.
Use a new gasket, and apply anti-seize
compound to the various nuts and bolts.
Tighten the manifold fastenings to the
specified torque.
41Exhaust manifold(s) - removal
and refitting
Fuel and exhaust systems 4•21
4
40.59 Removing a spark plug spacer from
the cylinder head recess40.79 Inlet manifold bolt tightening
sequence
Arrow points to front of engine40.87 Cranked spanner needed for
tightening V6 inlet manifold bolt with
distributor fitted
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