1985 FORD GRANADA power steering

The ignition system is responsible for
igniting the fuel/air charge in each cylinder at
the correct moment. The components of the
system are the spark plugs, ignition coil,
distributor and connecting leads. Overall
control of the system is one of the functions of
the engine management module. Fuel-
injection models have a subsidiary ignition
module mounted on the distributor.
There are no contact breaker points in the
distributor. A square wave signal is generated
by the distributor electro-magnetically; this
signal is used by the engine management
module as a basis for switching the coil LT
current. Speed-related (centrifugal) advance is
also handled by the module. On carburettor
models, ignition timing is also advanced under
conditions of high inlet manifold vacuum.The engine management models are “black
boxes” which regulate both the fuel and the
ignition systems to obtain the best power,
economy and emission levels. The module
fitted to carburettor models is known as the
ESC II (Electronic Spark Control Mk II) module.
On fuel-injection models the more powerful
EEC IV (Electronic Engine Control Mk IV)
module is used.
Both types of module receive inputs from
sensors monitoring coolant temperature,
distributor rotor position and (on some
models) manifold vacuum. Outputs from the
module control ignition timing, inlet manifold
heating and (except on 1.8 litre models) idle
speed. The EEC IV module also has overall
control of the fuel-injection system, from
which it receives information.
Provision is made for the ignition timing to
be retarded to allow the use of low octane fuel
if necessary. On all except 1.8 litre models
there is also a facility for raising the idle speed.The EEC IV module contains self-test
circuitry which enables a technician with the
appropriate test equipment to diagnose faults
in a very short time. A Limited Operation
Strategy (LOS) means that the car is still
driveable, albeit at reduced power and
efficiency, in the event of a failure in the
module or its sensors.
Due to the complexity and expense of the
test equipment dedicated to the engine
management system, suspected faults should
be investigated by a Ford dealer, or other
competent specialist. This Chapter deals with
component removal and refitting, and with
some simple checks and adjustments.
On DOHC carburettor engines, the basic
operating principles of the ignition system are
as described above. A development of the
ESC II (Electronic Spark Control ll) system is
used to control the operation of the engine.
The ESC II module receives information from a
crankshaft speed/position sensor and an
1General information and
precautions
5•2Engine electrical systems
Ignition coil
Make . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Bosch, Femsa or Polmot
Primary resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.72 to 0.86 ohm
Secondary resistance:
All except DOHC fuel-injection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4.5 to 7.0 k ohms
DOHC fuel-injection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4.5 to 8.6 k ohms
Output voltage (open-circuit):
All except DOHC fuel-injection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25 kV minimum
DOHC fuel-injection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30 kV minimum
HT leads
Maximum resistance per lead . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30 k ohms
Distributor
Make . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Bosch or Motorcraft
Rotation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Clockwise (viewed from above)
Automatic advance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Controlled by module
Dwell angle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Controlled by module
Ignition timing (see text)
SOHC and 2.8 litre V6 engines:
Leaded fuel (97 octane):
Carburettor models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10°BTDC
Fuel-injection models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12°BTDC
Unleaded fuel (95 octane):
Carburettor models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6°BTDC
Fuel-injection models:
2.0 litre . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8°BTDC
2.8 litre . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12°BTDC (no change)
2.4 & 2.9 litre V6 engines:
Models with catalytic converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15°BTDC
Models without catalytic converter . . . . . . . . . . . . . . . . . . . . . . . . . . .12°BTDC*
* Standard setting for 97 octane leaded fuel.
Torque wrench settingsNmlbf ft
Alternator adjusting strap:
To steering pump bracket (OHC) . . . . . . . . . . . . . . . . . . . . . . . . . . . .21 to 2616 to 19
To front cover (V6) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41 to 5130 to 38
Spark plugs:
All models except 2.8 litre V6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20 to 2815 to 21
2.8 litre V6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30 to 4022 to 30
Air charge temperature sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20 to 2515 to 18
Engine coolant temperature sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . .20 to 2515 to 18
Fuel rail temperature sensor (DOHC) . . . . . . . . . . . . . . . . . . . . . . . . . . .8 to 116 to 8
Crankshaft speed/position sensor screw (DOHC) . . . . . . . . . . . . . . . . .3 to 52 to 4
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Chapter 11
Steering and suspension
Front anti-roll bar - removal and refitting . . . . . . . . . . . . . . . . . . . . .19
Front anti-roll bar bushes - renewal . . . . . . . . . . . . . . . . . . . . . . . . .20
Front stub axle carrier - removal and refitting . . . . . . . . . . . . . . . . .16
Front suspension crossmember - removal and refitting . . . . . . . . .15
Front suspension lower arm - removal, overhaul and refitting . . . . .18
Front suspension strut - dismantling and reassembly . . . . . . . . . . .22
Front suspension strut - removal and refitting . . . . . . . . . . . . . . . . .21
Front wheel alignment - checking and adjusting . . . . . . . . . . . . . . .14
Front wheel bearings - renewal . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
General information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Power steering fluid - level check and bleeding . . . . . . . . . . . . . . . . .2
Power steering hoses - removal and refitting . . . . . . . . . . . . . . . . . .12
Power steering pump - removal and refitting . . . . . . . . . . . . . . . . . .11
Power steering pump drivebelt - removal, refitting and tensioning .10
Rear anti-roll bar - removal and refitting . . . . . . . . . . . . . . . . . . . . .30
Rear crossmember insulator - removal and refitting . . . . . . . . . . . .28
Rear hub - removal and refitting . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Rear shock absorber - removal and refitting . . . . . . . . . . . . . . . . . .31Rear spring - removal and refitting . . . . . . . . . . . . . . . . . . . . . . . . . .27
Rear suspension and final drive assembly - removal and refitting . .23
Rear suspension lower arm - removal and refitting . . . . . . . . . . . . .29
Rear wheel bearings - renewal . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Ride height control compressor - removal and refitting . . . . . . . . . .33
Ride height control sensor - removal and refitting . . . . . . . . . . . . . .34
Ride height control system - general information . . . . . . . . . . . . . .32
Steering column - removal and refitting . . . . . . . . . . . . . . . . . . . . . . .7
Steering column lock - removal and refitting . . . . . . . . . . . . . . . . . . .8
Steering gear - removal and refitting . . . . . . . . . . . . . . . . . . . . . . . . .3
Steering intermediate shaft and flexible coupling - removal and
refitting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Steering rack bellows - renewal in vehicle . . . . . . . . . . . . . . . . . . . . .4
Steering wheel - centralising . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Steering wheel - removal and refitting . . . . . . . . . . . . . . . . . . . . . . . .5
Track rod end - removal and refitting . . . . . . . . . . . . . . . . . . . . . . . .13
Wheel stud - renewal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
General
Suspension type:
Front . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Independent, MacPherson struts and anti-roll bar
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Independent, semi-trailing arms and anti-roll bar; ride height
control optionally available
Steering type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Rack and pinion, power-assisted on some models
Front wheel alignment
Toe:
Setting value . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 ± 1 mm (0.08 ± 0.04 in) toe-in
Tolerance in service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 mm (0.02 in) toe-out to 4.5 mm (0.18 in) toe-in
Castor :
SOHC and 2.8 litre models:
Standard, without ride height control . . . . . . . . . . . . . . . . . . . . . . . + 1°51’ ± 1°00’
Standard, with ride height control . . . . . . . . . . . . . . . . . . . . . . . . . . + 1°58’ ± 1°00’
Heavy duty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . + 1°46’ ± 1°00’
DOHC carburettor and low series fuel-injection models . . . . . . . . . . + 2°27’ ± 1°00’
DOHC high series models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . + 2°26’± 1°00’
2.4 litre:
low series models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . + 2°17’ ± 1°00’
high series models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . + 2°50’ ± 1°00’
2.9 litre models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . + 2°22’ ± 1°00’
11•1
Easy,suitable for
novice with little
experienceFairly easy,suitable
for beginner with
some experienceFairly difficult,
suitable for competent
DIY mechanicDifficult,suitable for
experienced DIY
mechanicVery difficult,
suitable for expert
DIY or professional
Degrees of difficulty
Specifications Contents
11
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11•2Steering and suspension
Front wheel alignment (continued)
Camber :
SOHC and 2.8 litre models:
Standard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0°23’ ±1°00’
Heavy duty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0°00’ ±1°00’
DOHC models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-0°17’
2.4 litre low series models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-0°27’
2.4 litre high series and 2.9 litre models . . . . . . . . . . . . . . . . . . . . . . .-0°21’
Tolerance:
DOHC, 2.4 and 2.9 litre models: . . . . . . . . . . . . . . . . . . . . . . . . . . .1°00’ to + 0°60’
Difference between left-hand and right-hand sides:
SOHC and 2.8 litre models:
Castor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1°00’ maximum
Camber . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1°15’ maximum
DOHC, 2.4 and 2.9 litre models:
Castor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1°00’
Camber . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1°15’
Steering gear
Make:
Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Cam Gears
Power-assisted . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Cam Gears or ZF
Power steering fluid type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ATF to Ford spec SQM-2C9010-A (Automatic Transmission
Fluid)
Tyres
Tyre sizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .175 SR/TR/HR 14, 185/70 HR/TR/VR 14, 195/65 HR 15, 205/60
VR 15
Tyre pressures: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .FrontRear
Normal load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.8 bar (26 lbf/in
2)1.8 bar (26 lbf/in2)
Full load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2.1 bar (30 lbf/in2)2.9 bar (42 lbf/in2)
Torque wrench settingsNmlbf ft
Steering
Steering gear-to-crossmember bolts:
Stage 1 (clamping) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4533
Slacken, then Stage 2 (snug) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1511
Stage 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Tighten further 90°Tighten further 90°
Track rod end balljoint nut . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25 to 3018 to 22
Track rod end locknut . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57 to 6842 to 50
Track rod inner balljoint nut . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7555
Intermediate shaft coupling pinch-bolts . . . . . . . . . . . . . . . . . . . . . . . . .2015
Pinion retaining nut (manual steering) . . . . . . . . . . . . . . . . . . . . . . . . . . .70 to 10052 to 74
Pinion shaft nut (power steering) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37 to 4727 to 34
Slipper yoke plug (see text):
Manual steering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 to 53 to 4
Power steering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 to 42 to 3
Steering wheel nut . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45 to 5533 to 41
Steering column mounting nuts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17 to 2413 to 18
Steering column adjuster pivot nut . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10 to 137 to 10
Steering pump bracket to block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52 to 6438 to 47
Steering pump pulley hub bolt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10 to 127 to 9
Pressure hose to steering pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26 to 3119 to 23
Steering pump bracket-to-engine mounting . . . . . . . . . . . . . . . . . . . . .41 to 5830 to 43
Steering pump to bracket (V6) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22 to 2916 to 21
Front suspension
Hub nut . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .390 to 450288 to 332
Lower arm balljoint nut . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65 to 8548 to 63
Top mount retaining nuts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20 to 2415 to 18
Stub axle carrier pinch-bolt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .80 to 9059 to 66
Anti-roll bar clamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70 to 9052 to 66
Anti-roll bar to lower arms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70 to 11052 to 81
Crossmember to frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70 to 9052 to 66
Suspension strut to turret . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40 to 5230 to 38
Lower arm pivot:
Stage 1 (clamping) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4533
Slacken. then Stage 2 (snug) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1511
Stage 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Tighten further 90°Tighten further 90°
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The steering gear is of rack-and-pinion type.
Power assistance is standard on V6 models
and optional on others. The power-assisted
steering gear has a “variable ratio” effect
which increases the steering ratio about the
straight-ahead position: this provides quick
lock-to-lock action without the penalty of
over-responsiveness in open road driving.
The steering wheel is adjustable both up-
and-down and fore-and-aft. Both steering
column and shaft are designed to collapse
under impact. The steering shaft is connected
to the pinion by an intermediate shaft, which
has a universal joint at its upper end and a
flexible coupling at the lower end.
Front suspension is independent, of the
MacPherson strut type, with coil springs and
concentric telescopic shock absorbers. The
struts are attached to the tops of the stub axle
carriers, which are located at their lower ends
by balljoints incorporated in the lower
suspension arms. The lower suspension arms
pivot at their inner ends, where they are
attached to a central crossmember. The anti-
roll bar is attached to the rear of the arms and
serves to control fore-and-aft movement as
well as reducing roll.
Suspension geometry has been designed to
give good steering “feel”, resistance to pulling
caused by uneven braking effort or tyre
deflation, and (in the case of manual steering)
acceptably low steering wheel effort at parking
speeds. Only toe is adjustable in service.
The rear suspension is also independent. It
is of the semi-trailing arm type, with coil
springs and separate telescopic shock
absorbers. An optionally-available ride height
control system keeps the rear suspension
height constant, regardless of vehicle load.
Both front and rear wheel bearings are of a
special taper-roller type and require no
periodic adjustment in service.1Refer to Chapter 1, Section 35, to check the
power steering fluid level.
2If the fluid level falls so low that air enters
the pump, or after component renewal, the
system must be bled as follows.
3Remove the reservoir filler cap. Top-up with
clean fluid to the appropriate “cold” level. It is
important that the fluid is free of air bubbles,
so do not shake the container when topping-
up, and pour the fluid slowly.
4Disconnect the negative LT lead from the
ignition coil. Have an assistant crank the
engine on the starter in two second bursts, at
the same time turning the steering wheel from
lock to lock. Keep the reservoir topped up
whilst this is going on.
5When air bubbles no longer appear in the
fluid, stop the cranking. Reconnect the coil
negative lead and run the engine for a few
seconds, then stop it and check the level
again. Refit the filler cap.
6Run the vehicle for a few miles to warm up
the fluid and expel any remaining air, then stop
the engine and make a final fluid level check.
Manual steering
1Position the steering in the straight-ahead
position, then remove the ignition key so that
the steering is locked.
2Slacken the front wheel nuts. Raise and
support the front of the vehicle and remove
the front wheels.
3Remove the pinch-bolt and nut which
secure the intermediate shaft flexible coupling
to the pinion shaft (see illustration).
4Slacken the track rod end locknuts by half a
turn each (see illustration).
5Remove the split pin from the track rod
balljoint nuts. Unscrew the nuts, break the
balljoint tapers using a separator tool anddisengage the track rod ends from the
steering arms.
6Remove the two bolts which secure the
steering gear to the crossmember. Lift out the
steering gear.
7Mark the positions of the track rod ends on
the track rods, using paint or sticky tape, so
that they can be refitted in approximately the
same positions. Unscrew the track rod ends
and locknuts.
8Commence refitting by screwing on the
locknuts and track rod ends, observing the
previously made position marks when
applicable.
9Bring the rack to the straight-ahead
position. Do this by counting the number of
turns of the pinion needed to go from lock to
lock, then applying half that number of turns
from full lock on one side.
10Offer the steering gear to the vehicle,
engaging the flexible coupling and loosely
fitting the securing bolts. Note that the master
spline on the pinion shaft mates with the
corresponding groove in the flexible coupling.
11Tighten the two steering gear-to-
crossmember bolts to the specified Stage 1
torque. Slacken the bolts and retighten to the
Stage 2 torque. Finally tighten the bolts
through the angle specified for Stage 3.
12Make sure that the flexible coupling and
pinion shaft are properly engaged, then fit the
pinch-bolt and nut. Tighten the pinch-bolt to
the specified torque.
3Steering gear - removal and
refitting
2Power steering fluid - level
check and bleeding1General information
Steering and suspension 11•3
11
3.3 Master spline and groove on pinion
shaft and coupling
Torque wrench settings (continued)Nmlbf ft
Rear suspension
Driveshaft stub axle nut . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .250 to 290180 to 210
Final drive mounting to floor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20 to 2515 to 18
Final drive mounting to rear cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40 to 5030 to 37
Guide plate-to-floor bolts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41 to 5130 to 38
Guide plate insulator bolt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69 to 8851 to 65
Lower arm to crossmember . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .80 to 9559 to 70
Brake anchor plate to lower arm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52 to 6438 to 47
Anti-roll bar bracket bolts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20 to 2515 to 18
Shock absorber mountings:
Top . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73 to 9754 to 72
Bottom . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .68 to 9250 to 68
Rear hub bolts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .80 to 10059 to 74
Wheels
Wheel nuts (steel or alloy wheels) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70 to 10052 to 74
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13Refit the track rod ends to the steering
arms. Fit the balljoint nuts and tighten them to
the specified torque, then secure with new
split pins.
14Nip up the track rod end locknuts, but do
not tighten them fully yet.
15Refit the front wheels and wheel nuts.
Lower the vehicle and tighten the wheel nuts
to the specified torque.
16Check the toe setting as described in
Section 19. When toe is correct, tighten the
track rod end locknuts fully.
Power-assisted steering
17Proceed as described for manual steering
gear, but before removing the steering gear-
to-crossmember bolts, remove the clamp
plate bolt from the steering gear valve body
(see illustration).18Pull the fluid pipes out of the valve body.
Be prepared for fluid spillage. Plug or cap the
open pipes and orifices.
19The steering gear may now be removed.
20Refit in the reverse order to removal, using
new O-rings on the fluid pipes.
21Bleed the steering gear hydraulic system
on completion.
1Remove the track rod end on the side
concerned.Also remove the locknut.
2Remove the bellows retaining clips and slide
the bellows off the track rod (see illustration).
3On manual steering racks, apply a smear of
grease to the track rod 4Fit the new bellows and secure with new
clips. Make sure that the ends of the bellows
are located in their grooves. Do not tighten the
outer clip yet - leave it slack until toe has been
checked after refitting.
5Refit the track rod end locknut, followed by
the track rod end itself.
6Repeat on the other side of the vehicle if
necessary.
Models before April 1992
1Disconnect the battery negative lead.
2Prise off the horn push pad from the centre
of the steering wheel.
3Remove the three screws which secure the
horn switch plate. Withdraw the plate,
disconnect its wires and remove it.
4Engage the steering lock, then undo and
remove the steering wheel nut. Unlock the
steering again.
5Mark the relationship of the wheel to the
shaft, then pull the wheel off the shaft. Use a
puller if it cannot be removed by hand. Do not
use hammer blows, which may damage the
collapsible parts of the column and shaft.
6Recover the spacer from below the steering
wheel (see illustration).
7Refit by reversing the removal operations.
Tighten the steering wheel nut to the specified
torque.
Models from April 1992
8The steering wheel can be removed and
refitted as described above whilst ignoring the
5Steering wheel - removal and
refitting
4Steering rack bellows - renewal
in vehicle
11•4Steering and suspension
3.17 Clamp plate bolt (arrowed) is located
between two fluid pipes4.2 Steering rack bellows retaining clips
(arrowed)5.6 Spacer ring (arrowed) fits below
steering wheel
3.4 View of manual steering gearA Pinion nut
B Pinion
C Rack housing
D Support bush
E Track rods
F Bellows
G Slipper plug
H Spring
J Slipper
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3Depress the locking button with a small
screwdriver. Draw the lock barrel out of its
housing using the key (see illustration).
4Refit by reversing the removal operations.
1The intermediate shaft and flexible coupling
are not available separately, and so must be
renewed as a unit.
2Disconnect the battery negative lead.
3Position the steering straight-ahead.
4Remove the pinch-bolts which secure the
upper and lower ends of the intermediate
shaft. Free the universal joint from the column
shaft, then pull the flexible coupling off the
pinion shaft.
5When refitting, engage the master spline on
the pinion shaft with the groove in the flexible
coupling.
6Tighten the pinch-bolts to the specified
torque.
7Reconnect the battery.
Refer to Chapter 1, Section 21.
All engines except DOHC
1Disconnect the battery negative lead.
2Wipe clean around the unions, then
disconnect the high pressure and return pipes
from the pump and the reservoir. Be prepared
for fluid spillage; take steps to keep fluid out of
the alternator.
3Remove the pump drivebelt(s).
4Remove the pump mounting, pivot and
adjustment bolts (as applicable) and lift the
pump from the engine (see illustration).
5If a new pump is to be fitted, recover the
pulley and mounting plate from the old pump.6Refit by reversing the removal operations.
Adjust the drivebelt tension on completion and
bleed the steering hydraulic system.
DOHC engines
7The pump is mounted on a bracket on the
front right-hand side of the cylinder block. To
improve access to the pump, firmly apply the
handbrake then jack up the front of the car
and support it securely on axle stands (see
“Jacking”).
8Place a suitable container under the pump,
unscrew the fluid pipe unions, and drain the
fluid.
9Remove the drivebelt with reference to
Chapter 1.
10Prevent the pulley from rotating using a
strap wrench (which can be improvised using
an old drivebelt and a large socket and
wrench), and unscrew the three pulley
securing bolts (see illustration). Withdraw the
pulley.
11Unscrew the three pump securing bolts
from the front of the pump bracket, and the
single bolt from the rear of the bracket, and
withdraw the pump (see illustration).
12Refitting is a reversal of removal, bearing
in mind the following points:
a)Reconnect the fluid unions using new O-
rings.
b)On completion, top-up and bleed the
power steering fluid circuit.1Disconnect the battery negative lead.
2Clean around the hose unions on the
steering gear. Remove the single securing
bolt, withdraw the hoses and catch the fluid
which will drain from the reservoir.
3Clean around the hose unions on the pump.
Disconnect the unions and remove the hoses.
4Refit in the reverse order to removal, using
new O-rings.
5Top-up the steering fluid and bleed the
system.
1Slacken the front wheel nuts, raise and
support the vehicle and remove the front
wheel on the side concerned.
2Slacken the track rod end locknut by half a
turn.
3Remove the split pin from the track rod end
balljoint nut. Unscrew the nut a few turns (see
illustration).
4Break the balljoint taper with a proprietary
balljoint separator (see illustration). Remove
the separator and the nut and disengage the
track rod end from the steering arm.
5Unscrew the track rod end from the track
rod, being careful not to disturb the locknut.
13Track rod end - removal and
refitting
12Power steering hoses -
removal and refitting
11Power steering pump -
removal and refitting
10Power steering pump
drivebelt - removal, refitting
and tensioning
9Steering intermediate shaft
and flexible coupling - removal
and refitting
11•6Steering and suspension
8.3 Depress the column lock locking button
11.11 . . . for access to the front pump
securing bolts (arrowed)13.3 Track rod end balljoint nut unscrewed
11.4 Steering pump pivot bolt (arrowed) -
V6 model shown11.10 Unbolt the power steering pump
pulley . . .
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cornering or braking. Control circuitry also
prevents the compressor being energised for
more than five minutes continuously, as could
otherwise happen if the system sprang a leak.
No repairs to individual components are
possible. Apparent control faults should be
referred to a Ford dealer before embarking on
an expensive programme of testing by
substitution. Always use new O-rings on the
pipe unions once they have been disturbed.
1Disconnect the battery negative lead.
2Raise and support the front of the vehicle.
3Remove the compressor cover (front left-hand
side of engine) which is secured by four screws.
4Disconnect the air pipe and the power
supply leads from the compressor (see
illustration).
5Remove the three bolts which secure the
compressor to the bracket. Withdraw the
compressor, at the same time disconnecting
the suction line and the control multi-plug.
6Refit by reversing the removal operations;
use new O-rings on the air pipe union(see
illustration).1Disconnect the battery negative lead.
2Raise and support the rear of the vehicle to
gain access to the sensor, located to the right
of the rear crossmember (see illustration).
3Unclip the linkage balljoint from the sensor.
4Disconnect the sensor multi-plug.
5Unbolt the sensor from the floor and remove
it.
6Do not attempt to adjust the sensor by
altering the position of the control arm.
7Refit by reversing the removal operations.
34Ride height control sensor -
removal and refitting
33Ride height control
compressor - removal and
refitting
Steering and suspension 11•13
11
33.4 Ride height control compressor33.6 Detail of ride height control pipe union
34.2 Ride height control height sensor
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The electrical system is a 12 volt, negative
earth type. Electricity is generated by an
alternator, belt-driven from the crankshaft pulley.
A lead-acid battery provides a reserve of power
for starting and when the demands of the system
temporarily exceed the alternator output.
The battery negative terminal is connected
to “earth” - vehicle metal - and most electrical
system components are wired so that they
only receive a positive feed, the current
returning via vehicle metal. This means that
the component mounting forms part of the
circuit. Loose or corroded mountings can
therefore cause apparent electrical faults.
Many semiconductor devices are used in
the electrical system, both in the “black
boxes” which control vehicle functions and in
other components. Semiconductors are very
sensitive to excessive (or wrong polarity)
voltage, and to extremes of heat. Observe the
appropriate precautions to avoid damage.
Although some repair procedures are given
in this Chapter, sometimes renewal of a well-
used item will prove more satisfactory. The
reader whose interests extend beyond
component renewal should obtain a copy of
the “Automobile Electrical Manual”, available
from the publishers of this book.
Before starting work on the electrical
system, read the precautions listed in “Safety
first!” at the beginning of the manual.
Note:Refer to the precautions given in “Safety
first!” and in Section 1 of this Chapter before
starting work. The following tests relate to testing
of the main electrical circuits, and should not be
used to test delicate electronic circuits (such as
anti-lock braking systems), particularly where an
electronic control unit (ECU) is involved.
General
1A typical electrical circuit consists of an
electrical component, any switches, relays,
motors, fuses, fusible links or circuit breakers
related to that component, and the wiring and
connectors which link the component to both
the battery and the chassis. To help to
pinpoint a problem in an electrical circuit,
wiring diagrams are included at the end of this
Chapter.
2Before attempting to diagnose an electrical
fault, first study the appropriate wiring
diagram, to obtain a more complete
understanding of the components included in
the particular circuit concerned. The possible
sources of a fault can be narrowed down by
noting whether other components related to
the circuit are operating properly. If several
components or circuits fail at one time, the
problem is likely to be related to a shared fuse
or earth connection.
3Electrical problems usually stem from
simple causes, such as loose or corroded
connections, a faulty earth connection, a
blown fuse, a melted fusible link, or a faulty
relay. Visually inspect the condition of all
fuses, wires and connections in a problem
circuit before testing the components. Use the
wiring diagrams to determine which terminal
connections will need to be checked in order
to pinpoint the trouble-spot.
4The basic tools required for electrical fault-
finding include: a circuit tester or voltmeter (a
12-volt bulb with a set of test leads can also
be used for certain tests), a self-powered test
light (sometimes known as a continuity tester),
an ohmmeter (to measure resistance), a
battery and set of test leads, and a jumper
wire, preferably with a circuit breaker or fuse
incorporated, which can be used to bypass
suspect wires or electrical components.
Before attempting to locate a problem with
test instruments, use the wiring diagram to
determine where to make the connections.
5To find the source of an intermittent wiring
fault (usually due to a poor or dirty connection,
or damaged wiring insulation), an integrity testcan be performed on the wiring, which
involves moving the wiring by hand, to see if
the fault occurs as the wiring is moved. It
should be possible to narrow down the source
of the fault to a particular section of wiring.
This method of testing can be used in
conjunction with any of the tests described in
the following sub-Sections.
6Apart from problems due to poor
connections, two basic types of fault can
occur in an electrical circuit - open-circuit or
short-circuit.
7Open-circuit faults are caused by a break
somewhere in the circuit, which prevents
current from flowing. An open-circuit fault will
prevent a component from working, but will
not cause the relevant circuit fuse to blow.
8Short-circuit faults are caused by a “short”
somewhere in the circuit, which allows the
current flowing in the circuit to “escape” along
an alternative route, usually to earth. Short-
circuit faults are normally caused by a
breakdown in wiring insulation, which allows a
feed wire to touch either another wire, or an
earthed component such as the bodyshell. A
short-circuit fault will normally cause the
relevant circuit fuse to blow. Note: A short-
circuit that occurs in the wiring between a
circuit’s battery supply and its fuse will not
cause the fuse in that particular circuit to blow.
This part of the circuit is unprotected - bear
this in mind when fault-finding on the vehicle’s
electrical system.
Finding an open-circuit
9To check for an open-circuit, connect one
lead of a circuit tester or voltmeter to either the
negative battery terminal or a known good earth.
10Connect the other lead to a connector in
the circuit being tested, preferably nearest to
the battery or fuse.
11Switch on the circuit, bearing in mind that
some circuits are live only when the ignition
switch is moved to a particular position.
12If voltage is present (indicated either by
the tester bulb lighting or a voltmeter reading,
as applicable), this means that the section of
2Electrical fault-finding - general
information
1General information
Body electrical system 13•3
13
Other relays and modules (continued)
IdentificationFunction
Behind facia (passenger side) (continued):
M4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Heated windscreen (timer)
M5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Air conditioning cooling fan
M6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ABS pump relay
M7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ABS main relay
M8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ABS control unit
M9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Ride height control
Below instrument panel (driver’s side):
N1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Bulb failure warning unit
Below facia (passenger side):
P1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ABS module
P2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Fuel-injection system module
Behind facia (passenger side):
R1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Speed control system module
R2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Auxiliary warning system module
R3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Rear audio console module
Torque wrench settingsNmlbf ft
Alternator adjusting strap:
To steering pump bracket (SOHC) . . . . . . . . . . . . . . . . . . . . . . . . . . .21 to 2616 to 19
To front cover (V6) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41 to 5130 to 38
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