ABS LAND ROVER DEFENDER 1999 Owner's Manual

REAR AXLE AND FINAL DRIVE
3
REPAIR REAR HUB ASSEMBLY - 90
Service repair no - 64.15.01
Remove
1.Place rear axle onto axle stands and remove
road wheel.
2.Release brake hose clips and remove brake
caliper bolts. Secure to one side.
WARNING: Take care not to kink brake
hose.
3.Remove 5 bolts and withdraw axle shaft.
4.Remove joint washer.
5.Bend back lock washer tabs.
6.Remove locknut and lock washer.
7.Remove hub adjusting nut.
8.Remove spacing washer.
9.Remove hub and brake disc assembly complete
with bearings.
Rear hub components - 90
1.Axle shaft.
2.Axle shaft joint washer.
3.Axle shaft retaining bolt.
4.Lock nut.
5.Lock washer.
6.Hub adjusting nut.
7.Spacing washer.8.Outer bearing.
9.Hub.
10.Inner bearing.
11.Grease seal.
12.Brake disc.
13.Disc retaining bolt.
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FRONT AXLE AND FINAL DRIVE
1
REPAIR FRONT AXLE ASSEMBLY
Service repair no - 54.10.01
Remove
WARNING: Remove and refit of axle
requires a further two persons to steady
axle when lowering or repositioning axle.
1.Support chassis front.
2.Remove road wheels.
3.Support axle weight with hydraulic jack.
4.Remove radius arms to chassis frame nuts.
5.Disconnect steering damper from track rod.
Using a extractor remove track rod links from
swivel pin arms.
6.Remove four nuts and bolts securing radius
arms to axle bracket.
7.Remove radius arms.
8.Remove bolts securing brake hose brackets .
Refit bolts to prevent oil leakage.
9.Remove bolts from brake calipers and tie to one
side.
10.Remove nuts and washers securing shock
absorbers to axle.
11.Disconnect drag link from swivel pin housing
arm.
12.Remove two nuts and bolts securing panhard
rod to axle bracket. Lift rod clear of axle.
13.Mark for reassembly drive shaft flanges.
Remove four nuts and bolts, tie propeller shaft to
one side.
14.Release axle ventilation pipe banjo and lower
axle assembly. Remove road springs.
15.Disconnect anti-roll bar linkSee FRONT
SUSPENSION, Repair. Anti-roll bar ball.
16.Remove axle assembly.
Refit
17.Position axle under vehicle, supporting left side
of axle, and fit anti-roll bar linksSee FRONT
SUSPENSION, Repair. Anti-roll bar links.
18.Fit propeller shaft. Tighten bolts to47 Nm (35
lbf/ft).
19.Fit panhard rod to axle bracket. Tighten bolts to
88 Nm (65 lbf/ft).
20.Fit drag link to swivel pin arm. Tighten fixings to
40 Nm (30 lbf/ft).
21.Fit shock absorbers to axle.
22.Fit brake calipers. Tighten bolts to82 Nm (60
lbf/ft).
23.Tighten upper swivel pin bolts to78 Nm (58
lbf/ft).
24.Fit radius arms to axle brackets. Tighten bolts to
197 Nm (145 lbf/ft).
25.Fit steering damper to track rod.
26.Fit radius arms to chassis side member. Tighten
fixings to197 Nm (145 lbf/ft).
27.Tighten track rod end to40 Nm (30 lbf/ft)and fit
new split pin.
28.Remove chassis supports, fit road wheels and
tighten to correct torque:
Alloy wheels -130 Nm (96 lbf/ft)
Steel wheels -100 Nm (80 lbf/ft)
Heavy duty wheels -170 Nm (125 lbf/ft)
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54FRONT AXLE AND FINAL DRIVE
6
OVERHAUL 38.Place retaining plate, joint washer and oil seal
over axle flange ready for assembly.
39.Fit swivel bearing housing to axle flange with 7
bolts. Tighten to73 Nm (54 lbf/ft).
40.Grease and fit upper and lower swivel pin taper
roller bearings.
41.Position swivel pin housing over swivel bearing
housing.
42.Coat joint washer both sides with sealing
compound and position on lower swivel pin.
43.Loosely fit brake shield bracket plus lower swivel
pin with lug outboard to swivel pin housing.
44.Loosely fit top swivel pin plus existing shims and
brake hose bracket to swivel pin housing.
45.Apply Loctite 270 or equivalent to lower swivel
pin bolts.25 Nm (18 lbf/ft),bend over lock tabs.
46.Tighten top swivel pin bolts to65 Nm (48 lbf/ft).
Check and adjust preload on bearings
NOTE: Swivel housing oil seal and axle
should not be fitted.
47.Attach a spring balance to track rod ball joint
bore and pull balance to determine effort
required to turn swivel pin housing.
Resistance, once initial inertia has been
overcome, should be1.16 to 1.46 kg.Adjust by
removing or adding shims to top swivel pin.
48.When setting is correct remove top swivel bolts,
apply Loctite 270 or equivalent. Refit bolts and
tighten to65 Nm (48 lbf/ft),and bend over lock
tabs.
49.Apply recommended grease between lips of
swivel oil seal.50.Fit oil seal, joint washer and retaining plate with
7 bolts and spring washers. Tighten to11 Nm (8
lbf/ft).
51.Fit tie rod and drag link and secure with new
cotter pins. Tighten fixing to40 Nm (30 lbf/ft).
52.Fit brake disc shield.
53.Loosely fit lock stop bolt and nut.
54.Apply a recommended grease between lips of
swivel housing oil seal.
55.Secure oil seal with retaining plate and securing
bolts. Tighten to11 Nm (8 lbf/ft).
56.Fit track-rod and drag link and secure with new
cotter pins.
57.Loosely fit lock stop bolt for later adjustment.
58.Fit brake disc shield.
Fit driveshaft and stub axle
59.Insert axle shaft, and when differential splines
are engaged, push assembly in fully.
CAUTION: Take care not to damage axle
shaft oil seals.
60.Place a new joint washer in position on swivelpin
housing to stub axle mating face. Coat threads
of stub axle bolts with Loctite 270.
61.Fit stub axle with flat at 12 O’clock position.
CAUTION: Ensure that constant velocity
joint bearing journal is butted against
thrust ring on stub axle before stub axle is
secured.
62.Place mud shield in position and secure stub
axle to swivel pin housing with 6 bolts and
tighten evenly to65 Nm (48 lbf/ft).
63.Fit brake jump hoses to brake jump hose
bracket.
64.Fit complete front hub assemblySee FRONT
SUSPENSION, Repair. Front hub bearings.
65.Check swivel pin housing oil drain plug is fitted.
66.Fill swivel assembly to correct level, with new oil
See MAINTENANCE , Under vehicle
maintenance.
NOTE: On later vehicles fill swivel pin
housing with 0.33 Litres of Molytex EP 00
grease.
67.Set steering lock stop boltsSee STEERING,
Adjustment. Steering lock stops.
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57STEERING
2
REPAIR 15.Remove brake servo.See BRAKES, Repair.
16.Release ABS modulator multiplug from side of
brake pedal box.
17.Release mat from underside of fascia to gain
access to brake pedal box mounting bolts.
18.Remove 6 bolts securing brake pedal box to
bulkhead.
19.Disconnect 2 brake pedal switch Lucars.
20.Carefully remove brake pedal box assembly and
collect gasket.
21.Remove bolt securing column upper tie bar to
column.
22.Remove 2 bolts securing upper column to lower
mounting bracket.
23.Remove 2 bolts securing 2 halves of column
upper clamp.
24.Remove 2 bolts securing column upper clamp to
mounting bracket.
25.Remove column upper clamp and collect rubber
packing.
26.Remove 2 bolts securing column upper
mounting bracket to bulkhead.
27.Release upper column from lower column and
manouvre mounting bracket and upper column
assembly from vehicle.
28.Remove mounting bracket from column.
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STEERING
3
REPAIR Refit
NOTE: The steering column is a
non-servicable component and can only
be serviced as a complete assembly.
29.Fit mounting bracket to column and manouvre
assembly into position.
NOTE: Ensure marks on upper and lower
columns are aligned.
30.Loosely fit bolts securing mounting bracket to
bulkhead.
31.Fit upper clamp and rubber packing to column.
32.Loosely fit bolts securing upper clamp to
mounting bracket.
33.Loosely fit bolts securing 2 halves of upper
clamp.
34.Loosely fit bolts securing column lower mounting
bracket.
35.Fit bolt securing upper tie bar to steering column
and tighten to22 Nm (16 lbf.ft).
36.Tighten mounting bracket to bulkhead bolts,
clamp bolts, and lower mounting bolts.
M6 bolts =9 Nm (6 lbf.ft)
M8 bolts =22 Nm (16 lbf.ft)
37.Manouvre brake pedal box assembly and NEW
gasket into position in vehicle.
38.Tighten bolts securing brake pedal box to
bulkhead to25 Nm (18 lbf.ft)
39.Connect brake pedal switch Lucars.
40.Reposition mat to underside of fascia.
41.Secure ABS modulator multiplug to side of brake
pedal box.
42.Fit brake servo.See BRAKES, Repair.
43.Fit ignition switch to steering column, ensuring
inner shaft slot aligns with steering lock plunger.
44.Evenly tighten clamp bolts, but DO NOT shear at
this stage.
45.Temporarily fit steering wheel and check for
correct operation of switch and lock.
46.Remove steering wheel.
47.Fully tighten ignition switch bolts until heads
shear.48.Connect Lucars to rear of ignition switch.
49.Fit passive coil to ignition switch and connect
multiplug.
50.Fit switch assembly to steering column and
tighten clamping screw.
51.Connect column switch multiplugs.
52.Fit instrument pack.See INSTRUMENTS,
Repair.
53.Fit steering column nacelle.See this Section.
54.Fit bolt securing upper column to lower column
universal joint and tighten to25 Nm (18 lbf.ft).
55.Fit air inlet pipe between turbo and inlet air filter
and secure with clips.
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70 - BRAKES
CONTENTS
Page
DESCRIPTION AND OPERATION
REAR BRAKE CALIPERS - FROM 02MY 2...........................................................
ADJUSTMENT
BRAKE SYSTEM BLEED 1.....................................................................................
PARK BRAKE - ADJUST 2.....................................................................................
REPAIR
ECU - ABS 1...........................................................................................................
SENSOR - ABS - FRONT WHEEL 2......................................................................
SENSORS - ABS - REAR WHEELS 3....................................................................
MASTER CYLINDER 4...........................................................................................
SERVO ASSEMBLY 5............................................................................................
MODULATOR UNIT - ABS 6...................................................................................
BRAKE CALIPER - FRONT 7.................................................................................
BRAKE CALIPER - REAR 8....................................................................................
SWITCH - STOP LIGHT 9.......................................................................................
FRONT BRAKE PADS - FROM 02MY 10...............................................................
REAR BRAKE PADS - FROM 02MY 11.................................................................
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BRAKES
1
REPAIR ECU - ABS
Service repair no - 70.65.01
Remove
1.Disconnect battery negative lead.
2.Release and remove passenger seat base.
3.Release clip securing ECU cover plate.
4.Remove ECU cover plate.
5.Disconnect 3 multiplugs from ABS ECU.
6.Disconnect 2 multiplugs from engine
management ECU.
7.Release seat base carpet to gain access to ECU
mounting plate Torx screws.
8.Remove 2 Torx screws securing front edge of
ECU mounting plate.
9.Remove nut securing rear edge of ECU
mounting plate.
10.Remove mounting plate and ECU assembly from
seat base.
11.Remove 3 bolts securing ABS ECU to mounting
plate.
12.Remove ABS ECU.
Refit
13.Position ABS ECU to mounting plate and secure
with bolts.
14.Fit mounting plate and ECU assembly to seat
base.
15.Fit Torx screws and nut securing mounting plate
to seat base.
16.Re-position carpet.
17.Connect multiplugs to ABS and engine
management ECU’s.
18.Fit ECU cover plate to seat base and secure in
position with clip.
19.Fit passenger seat base.
20.Reconnect battery negative lead.
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70BRAKES
2
REPAIR SENSOR - ABS - FRONT WHEEL
Service repair no - 70.65.30
Remove
1.Raise vehicle on a 2 post ramp.
2.Carefully prize ABS sensor from front hub.
3.Release clip securing ABS sensor harness to
brake pipe.
4.Release clip securing ABS sensor harness to
inner wing.
5.Lower vehicle.
6.Release second clip securing ABS harness to
inner wing.
7.Disconnect sensor harness multiplug.
8.Remove sensor and harness.
Refit
9.Connect sensor harness multiplug.
10.Position sensor harness and secure to inner
wing with clip.
11.Raise vehicle.
12.Secure harness to inner wing and brake pipe
with clips.
13.Apply grease to sensor.
14.Carefully fit sensor to hub assembly.
15.Lower vehicle.
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BRAKES
3
REPAIR SENSORS - ABS - REAR WHEELS
Service repair no - 70.65.31
Remove
1.Raise vehicle on a 2 post ramp.
2.Remove both rear wheels.
3.Remove 3 bolts securing each brake disc
backplate to hub assemblies.
4.Remove both back plates.
5.Remove 2 cable ties securing sensor harness to
outer ends of axle.
6.Carefully prise both sensors from hub
assemblies.
7.Release 4 clips securing sensor harness to axle.
8.Release cable tie securing harness to
differential.
9.Release 3 cable ties securing harness to chassis
longitudinal.
10.Disconnect sensor multiplug.
11.Remove harness and sensor assembly.
Refit
12.Position harness and sensor assembly to vehicle
and connect multiplug.
13.Apply grease to both sensors.
14.Carefully fit both sensors to hub assemblies.
15.Secure harness to axle and differential with
cable ties.
16.Secure harness to axle with clips.
17.Secure harness to chassis with cable ties.
18.Fit both back plates to hub assemblies and
secure with bolts.
19.Fit rear wheels and tighten to130 Nm (95 lbf.ft)
.
20.Lower vehicle.
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70BRAKES
6
REPAIR Refit
11.Fit rubber washer and servo assembly to pedal
box.
12.Fit nuts securing servo to pedal box and tighten
to14 Nm. (10 lbf.ft)
13.Position brake pedal to servo push rod.
14.Fit clevis pin and NEW split pin to secure brake
pedal to servo push rod.
15.Fit blanking grommets to each side of pedal box.
16.Attach pedal return springs to brake pedal.
17.Position closing panel and tighten screws to
lower’A’post.
18.Connect vacuum hose to servo.
19.Connect brake switch Lucars.
20.Fit brake master cylinder.See this Section.MODULATOR UNIT - ABS
Service repair no - 70.65.49
Remove
1.Position cloth under modulator to absorb any
fluid spillage.
CAUTION: Do not allow brake fluid to
contact paint finished surfaces as paint
may be damaged. If spilled, remove fluid
and clean area with clean warm water.
2.Disconnect 2 inlet brake pipe unions from pump
side of modulator.
3.Disconnect 4 outlet brake pipe unions from top
of modulator.
CAUTION: Plug the connections.
4.Disconnect 2 multiplugs from rear of modulator.
5.Loosen nut securing rear of modulator to
mounting bracket.
6.Remove 2 nuts securing front of modulator to
mounting bracket.
7.Release modulator from mounting bracket.
8.Disconnect multiplug from base of modulator.
9.Remove modulator.
Do not carry out further dismantling if
component is removed for access only.
10.Remove 3 mounting rubbers from old modulator
and fit to new.
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