1999 LAND ROVER DEFENDER suspension

10MAINTENANCE
22
MAINTENANCE SHOCK ABSORBERS
1.Check for signs of leakage from suspension
dampers.
2.Check for signs of suspension damper damage.TOWING BRACKET
1.Check security of towing bracket.
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MAINTENANCE
23
MAINTENANCE ENGINE AND TRANSMISSION MOUNTINGS
1.Check condition of front LH engine mounting.
Tighten fixings if necessary.See ENGINE ,
Repair.
2.Check condition of front RH engine mounting.
Tighten fixings if necessary.See ENGINE ,
Repair.
3.Check condition of rear LH gearbox mounting.
Tighten fixings if necessary.See ENGINE ,
Repair.
4.Check condition of rear RH gearbox mounting.
Tighten fixings if necessary.See ENGINE ,
Repair.ROAD TEST
There are two purposes for conducting a road test.
Firstly, to ensure the work completed within the
dealership meets the standards required as layed
down by dealership processes. Secondly, for a skilled
technician to assess the general condition of the
vehicle and report any conditions that the customer
should be made aware of.
CAUTION: Two wheel roller tests must not
be carried out. Four wheel roller tests
must be restricted to 3 mph (5 kph).
1.Check for correct operation of starter switch.
Ensure the engine starts in a correct manner.
Leave the engine running.
2.With vehicle stationary, turn steering from lock to
lock. Check for smooth operation and ensure
there is no undue noise from the power steering
pump or drive belt.
3.Depress clutch and select all gears in turn.
Check for smooth notch free engagement.
4.Drive vehicle on a short road test. Check all
vehicle systems for correct operation. Pay
particular attention to:
Engine noise
Gearbox noise
Suspension noise
Body noise
Braking system operation
Gear selection
Engine performance
5.Check for correct operation of all instruments
and warning devices where practical.
6.After road test, carry out a final inspection of the
vehicle on vehicle ramps.
7.Check all underbonnet fluid levels and top-up if
necessary.
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REAR AXLE AND FINAL DRIVE
1
REPAIR REAR AXLE
Service repair no - 51.25.01
Remove
WARNING: Remove and refit of axle
requires a further two persons to steady
the axle when lowering or repositioning
axle.
1.Drain brake system.
2.Support chassis rear.
3.Remove road wheels.
4.Support axle weight with hydraulic jack.
5.Disconnect shock absorbers.
6.Disconnect flexible brake hose at RH chassis
side member and breather hose at banjo
connection on axle casing.
7.Disconnect lower links at axle.8.Mark differential and propeller shaft flanges with
identification marks for assembly.
9.Remove 4 nuts and bolts, lower propeller shaft
and tie to one side.
10.Disconnect pivot bracket ball joint at axle
bracket.
11.Release bolts and remove coil spring retaining
plates.
12.Lower axle and remove road springs.
13.If applicable, remove anti-roll bar links at axle
See REAR SUSPENSION, Repair. anti-roll
bar.
14.Remove axle assembly.
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51REAR AXLE AND FINAL DRIVE
2
REPAIR Refit
15.Position axle and fit lower links. Tighten fixings
to176 Nm (130 lbf/ft).
16.If applicable, fit anti-roll bar links to axleSee
REAR SUSPENSION, Repair. Anti-roll bar
links.
17.Raise axle and locate road springs.
18.Fit coil spring retaining plates and secure with
fixing bolts.
19.Secure pivot bracket ball joint to axle bracket.
Tighten fixing to176 Nm (130 lbf/ft).
20.Align propeller shaft to differential drive flange
and tighten fixings to47 Nm (35 lbf/ft).
21.Reconnect flexible brake hose and axle breather
hose.
22.Refit shock absorbers.
23.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)
24.Remove rear chassis support.
25.Bleed brake systemSee BRAKES, Repair.
brake system bleed.
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REAR AXLE AND FINAL DRIVE
13
OVERHAUL REAR STUB AXLE - 110/130
Service repair no - 64.15.22
STUB AXLE COMPONENTS
1.Rear axle shaft
2.Stub axle to axle casing bolt
3.Mud shield
4.Stub axle
5.Stub axle joint washer
6.Axle caseOverhaul
1.Remove hub assemblySee REAR
SUSPENSION, Repair. Rear hub bearing.
2.Remove 6 bolts from stub axle to axle casing.
3.Remove mud shield.
4.Remove stub axle and joint washer.
5.Remove rear axle shaft from axle casing.
Renew rear stub axle oil seal
6.Remove and discard oil seal. Lubricate seal and
lip EP90 oil. Using special toolLRT-51-004
(LST138) fit new seal lip side trailing so that seal
is flush with rear face of stub axle.
Refit
7.Fit new joint washer, stub axle and mud shield.
Tighten bolts to65 Nm (48 lbf/ft).
8.Fit rear axle shaft, avoid damaging stub axle
seal.
9.Refit hub assemblySee REAR SUSPENSION,
Repair. Rear hub bearing.
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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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FRONT AXLE AND FINAL DRIVE
1
OVERHAUL FRONT DIFFERENTIAL
Service repair no - 54.10.07.
Overhaul
NOTE: The front axle differential, for all
models, is the same as that fitted to the 90
rear axle and can only be serviced as a
complete assemblySee REAR AXLE AND FINAL
DRIVE, Repair. Differential assembly - 90.FRONT HUB
Service repair no - 60.25.14.
Overhaul
1.Remove hub assemblySee FRONT
SUSPENSION, Repair. Front hub bearings.
2.Remove outer bearing.
3.Mark, for reassembly, relationship between hub
and brake disc, if original hub is to be refitted.
4.Remove 5 bolts and separate hub from brake
disc.
5.Drift out grease seal and inner bearing from hub
and discard seal.
6.Drift out inner and outer bearing tracks.
7.Clean hub and drift in inner and outer bearing
tracks.
8.Pack hub inner bearing with recommended
grease and fit to hub.
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54FRONT AXLE AND FINAL DRIVE
2
OVERHAUL
9.With lip side leading fit new seal to hub using
special toolLST 137seal replacer and drift18G
134. Drive in seal flush with rear face of hub.
Apply grease between seal lips.
10.Fit brake disc to hub, lining up to marks made
during dismantling. Applying Loctite 270, fit
retaining bolts. Tighten to73 Nm (54 lbf/ft).
11.Grease and fit outer bearing to hub.
12.Fit hub assemblySee FRONT SUSPENSION,
Repair. Front hub bearings.
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