bonnet FORD SIERRA 1982 1.G Routine Manintenance And Servicing Workshop Manual

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FORD SIERRA 1982 1.G Routine Manintenance And Servicing Workshop Manual Maintenance - component location 1•5
1
Underbonnet view of a 1985 2.0 litre SOHC
fuel injection model
1 Battery
2 Brake servo non-return valve
3 Ignition coil
4 Suspension strut top
5 Fuel fi

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FORD SIERRA 1982 1.G Routine Manintenance And Servicing Workshop Manual 1•6Maintenance - component location
Underbonnet view of a 1990 2.0 litre DOHC
fuel injection model
1 Battery
2 Braking system deceleration-sensitive valve
3 Ignition coil
4 Suspension strut top

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FORD SIERRA 1982 1.G Routine Manintenance And Servicing Workshop Manual Maintenance - component location 1•7
1
Front underside view of a 1990
2.0 GLS model
1 Horns
2 Tie-rod end
3 Tie-rod
4 Gaiter
5 Coolant pump
6 Suspension lower arm
7 Anti-roll bar
8 Starter

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FORD SIERRA 1982 1.G Routine Manintenance And Servicing Workshop Manual 25Start the engine and run it at 3000 rpm for
15 seconds, ensuring that all electrical loads
(headlamps, heater blower etc) are switched
off, then allow the engine to idle and check
the CO content. No

25Start the engine and run it at 3000 rpm for
15 seconds, ensuring that all electrical loads
(headlamps, heater blower etc) are switched
off, then allow the engine to idle and check
the CO content. Note that the CO reading will
initially rise, then fall and finally stabilise.
26If adjustment is necessary, remove the
tamperproof cap from the base of the airflow
meter, and turn the mixture screw using a
suitable Allen key to give the specified CO
content (see illustration).
27Checking and adjustment should be
completed within 30 seconds of the meter
readings stabilising. If this has not been
possible, run the engine at 3000 rpm, for 15
seconds, then allow the engine to idle. Re-
check the CO content and carry out further
adjustment if necessary.
28On completion of adjustment, stop the
engine and disconnect the tachometer and
exhaust gas analyser. Fit a new tamperproof
cap to the mixture screw.2.0 litre DOHC models
29On models with a catalytic converter, the
mixture is controlled by the EEC IV module.
No manual adjustment is possible.
30On models without a catalytic converter,
the idle mixture can be adjusted as follows:
31Run the engine until it is at normal
operating temperature.
32Stop the engine, and connect a
tachometer and an exhaust gas analyser in
accordance with the equipment
manufacturer’s instructions.
33Start the engine and run it at 3000 rpm for
15 seconds, ensuring that all electrical loads
(headlamps, heater blower, etc) are switched
off. Allow the engine to idle, and check the CO
content. Note that the reading will initially rise,
then fall and finally stabilise.
34If adjustment is necessary, remove the
cover from the mixture adjustment
potentiometer (located at the rear right-handside of the engine compartment, behind the
MAP sensor), and turn the screw to give the
specified CO content (see illustrations).
35If adjustment does not produce a change
in reading, the potentiometer may be at the
extreme of its adjustment range. To centralise
the potentiometer, turn the adjustment screw
20 turns clockwise followed by 10 turns anti-
clockwise, then repeat the adjustment proce-
dure.
36Checking and adjustment should be
completed within 30 seconds of the meter
readings stabilising. If this has not been
possible, run the engine at 3000 rpm for 15
seconds, then allow the engine to idle. Re-
check the CO content, and carry out further
adjustments if necessary.
37On completion of adjustment, stop the
engine, and disconnect the tachometer and
the exhaust gas analyser. Refit the cover to
the adjustment screw.
1Fluid level should be checked with the
transmission at operating temperature (after a
run) and with the vehicle parked on level
ground.
2Open and prop the bonnet. With the engine
idling and the handbrake and footbrake applied,
move the gear selector through all positions
three times, finishing up in position “P”,
3Wait one minute. With the engine still idling,
withdraw the transmission dipstick (see
illustration).Wipe the dipstick with a clean
lint-free rag, re-insert it fully and withdraw it
again. Read the fluid level at the end of the
dipstick: it should be between the two
notches.
4If topping-up is necessary, do so via the
dipstick tube, using clean transmission fluid of
the specified type (see illustration).Do not
overfill.
5Stop the engine, refit the dipstick and close
the bonnet.6Note that if the fluid level was below the
minimum mark when checked or is in
constant need of topping-up, check around
the transmission for any signs of excessive
fluid leaks.If present, leaks must be rectified
without delay.
7If the colour of the fluid is dark brown or
black this denotes the sign of a worn brake
band or transmission clutches, in which case
have your Ford dealer check the transmission
at the earliest opportunity.1Place the vehicle over a pit, or raise and
support it at front and rear. The vehicle must
be level for an accurate check.
2If the gearbox is hot after a run, allow it to
cool for a few minutes. This is necessary
because the oil can foam when hot and give a
false level reading.
18Manual gearbox oil level
check17Automatic transmission fluid
level check
Every 12 000 miles or 12 months 1•13
1
16.34b . . . to enable mixture adjustment -
DOHC models
17.4 Topping-up the transmission fluid17.3 Automatic transmission dipstick
location and markings
16.34a Remove the cover from the mixture
adjustment potentiometer . . .16.26 Adjusting the idle mixture -
SOHC models
Every 12 000 miles (20 000 km) or 12 months

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FORD SIERRA 1982 1.G Routine Manintenance And Servicing Workshop Manual 3Wipe clean around the filler/level plug.
Unscrew the plug and remove it(see
illustration).
4Using a suitably marked piece of bent wire
as a dipstick, check that the oil level is as
shown in the table

3Wipe clean around the filler/level plug.
Unscrew the plug and remove it(see
illustration).
4Using a suitably marked piece of bent wire
as a dipstick, check that the oil level is as
shown in the table at the top of this page,
according to gearbox type.
5Top-up the level if necessary, using clean
oil of the specified type. Do not overfill, as this
can lead to leakage and difficult gear
changing. Allow excess oil to drip out of the
filler/level hole if necessary. Refit and tighten
the filler/level plug on completion.
6The frequent need for topping-up can only
be due to leaks, which should be rectified.
The most likely sources of leaks are the rear
extension housing and input shaft oil seals.
7No periodic oil changing is specified, and
no drain plug is fitted.
1Work around the vehicle, and lubricate the
bonnet, door and tailgate hinges with a light
machine oil.
2Lightly lubricate the bonnet release
mechanism and exposed sections of inner
cable with a smear of grease.
3Check the security and operation of all
hinges, latches and locks, adjusting them
where required. Where applicable, check the
operation of the central locking system.
4Check the condition and operation of the
tailgate struts, renewing them if either is
leaking or is no longer able to support the
tailgate securely when raised.
1The correct functioning of the spark plugs is
vital for the correct running and efficiency of
the engine. It is essential that the plugs fitted
are appropriate for the engine.
2Make sure that the ignition is switched off
before inspecting the HT leads to see if they
carry their cylinder numbers. Note that the
position of No 1 cylinder HT lead in the
distributor cap is marked with either a pip, or
a number “1 “.3Where necessary, for improved access
remove the air cleaner and/or the inlet hose.
4Disconnect the leads from the plugs by
pulling on the connectors, not the leads.
5On 2.0 litre DOHC carburettor models, the
location of the spark plugs and the close
proximity of the carburettor makes spark plug
access difficult, particularly when removing
the plugs from cylinders 2 and 3. It is
suggested that a 3/8 inch ratchet drive spark
plug socket with rubber insert and long
extension bar is used, possibly in conjunction
with a universal joint adapter. It is also
advisable to disconnect No 3 cylinder HT lead
from the distributor first, to allow some slack
for disconnection at the spark plug.
6Clean the area around each spark plug
using a small brush, then using a plug
spanner (preferably with a rubber insert),
unscrew and remove the plugs(see
illustration).Cover the spark plug holes with
a clean rag to prevent the ingress of any
foreign matter.
7Before fitting new spark plugs, check that
the threaded connector sleeves are tight. As
the plugs incorporate taper seats, make sure
that the threads and seats are clean.8On DOHC models before refitting the spark
plugs, coat their threads with suitable anti-
seize compound, taking care not to
contaminate the electrodes.
9Screw in the spark plugs by hand, then
tighten them to the specified torque. Do not
exceed the torque figure.
10Push the HT leads firmly onto the spark
plugs, and where applicable refit the air
cleaner and/or inlet hose.
1Refer to the Specifications at the beginning
of this Chapter and check the tension of each
drivebelt at the point stated. Check the full
length of each drivebelt for cracks and
deterioration. It will be necessary to turn the
engine in order to check that portion of the
drivebelt in contact with the pulleys. Renew or
tension each belt as necessary as follows,
according to model type:
SOHC models
2Note that two drivebelts are fitted to models
equipped with power steering and both
should be renewed if either one is
unserviceable. Where fitted, the air
conditioning compressor is driven by a
separate belt.
3Disconnect the battery negative lead.
4Where applicable, remove the air
conditioning compressor drivebelt.
5Loosen the alternator mounting and
adjustment nuts and bolts, and pivot the
alternator towards the cylinder block.
6Slip the drivebelt(s) from the alternator,
water pump, crankshaft and (where
applicable) the power steering pump pulleys.
7Fit the new drivebelt(s) over the pulleys,
then lever the alternator away from the
cylinder block until the specified belt tension
is achieved. Lever the alternator using a
wooden or plastic lever at the pulley end to
prevent damage and straining the brackets. It
is helpful to partially tighten the adjustment
link bolt before tensioning the drivebelt(s).
21Auxiliary drivebelt check
20Spark plug renewal
19Hinge and lock check and
lubrication
1•14Every 12 000 miles or 12 months
18.3 Gearbox filler/level plug location
(arrowed) - N type gearbox
20.6 Removing a spark plug - CVH engine
Note: The vehicle build code appears as the twelfth and thirteenth characters of the VIN number
on the plate in the engine compartment.
Gearbox type
All four-speed gearboxes
All five-speed gearboxes up to April 1984 (build
code E6) except those subsequently fitted with
a modified extension housing
All five-speed gearboxes from May 1984 (build
code EC) to end of April 1985 (build code FP)
and all vehicles built up to April 1984 (build
code E6) subsequently fitted with a modified
gearbox extension housing
All five-speed gearboxes from May 1985Oil level
0 to 5.0 mm (0 to 0.2 in) below lower edge of
filler/level hole
Level with bottom edge of filler/level hole
20.0 to 25.0 mm (0.79 to 0.99 in) below lower
edge of filler/level hole
0 to 5.0 mm (0 to 0.2 in)below lower edge of
filler/level hole
Number each HT lead using
sticky tape or paint before
removal so as to avoid
confusion when refitting.