1999 LAND ROVER DEFENDER brake

51REAR AXLE AND FINAL DRIVE
2
DESCRIPTION AND OPERATION
Rear axle hub - 110/130
1.Axle casing
2.Ventilation pipe
3.Axle shaft
4.Wheel studs and hub
5.Wheel bearing stub axle
6.Wheel bearings
7.Inner hub seal8.Outer hub/axle shaft seal
9.Hub lock plate, thrust washer and nuts
10.Brake disc
11.Drive flange
12.Drive shaft circlip
13.Dust cap
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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
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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51REAR AXLE AND FINAL DRIVE
4
REPAIR Refit
10.Clean stub axle.
11.Fit hub assembly to stub axle.
12.Fit spacing washer.
13.Fit hub adjusting nut. Tighten to50 Nm (37
lbf/ft).Ensure hub is free to rotate with no
bearing play. Back off adjusting nut 90°and
tighten to10 Nm (7 lbf/ft).
14.Fit a new lock washer.
15.Fit locknut. Tighten to50 Nm (37 lbf/ft).
16.Tab over lock washer to secure adjusting nut
and locknut.
17.Using a new joint washer fit axle shaft to hub.
Tighten bolts to65 Nm (48 lbf/ft).
18.Fit brake caliper. Tighten bolts to82 Nm (61
lbf/ft).Secure brake pipes to axle casing.
19.Fit road wheel, remove axle stands and tighten
road wheel nuts 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)
20.Operate foot brake to locate brake pads before
driving vehicle.
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51REAR AXLE AND FINAL DRIVE
10
OVERHAUL REAR HUB ASSEMBLY - 90
Service repair no - 64.15.13.
1.Remove rear hubSee Repair. Rear hub
assembly.
2.Remove outer bearing.
3.Mark, for reassembly, position of hub to brake
disc.4.Remove 5 bolts and separate hub from brake
disc.
WARNING: A maximum of two road wheel
retaining studs can be renewed. Should
more studs be unserviceable fit new hub
with studs.
5.Remove grease seal and inner bearing from
hub.
6.Remove inner and outer bearing tracks.
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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REAR AXLE AND FINAL DRIVE
11
OVERHAUL
Refit
7.Clean hub and fit inner and outer bearing tracks.
8.Pack hub inner bearing with grease and fit to
hub.
9.With lip side leading, fit a new seal flush with
rear face of hub. Using service toolLRT-54-003
(LST137)seal replacer and drift. Apply grease
between seal lips.10.Assemble brake disc to hub, line up reassembly
marks. Applying Loctite 270, fit and tighten
retaining bolts to73 Nm (54 lbf/ft).
11.Pack hub outer bearing with grease and fit to
hub.
12.Fit rear hub assemblySee Repair. Rear hub
assembly.
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FRONT AXLE AND FINAL DRIVE
1
DESCRIPTION AND OPERATION DESCRIPTION
The welded steel front axle casing houses a separate
spiral bevel type differential unit, which is off-set to the
right of the vehicle centre line. The differential unit
drives the front wheels via the axle shafts and
constant velocity joints which are totally enclosed in
the spherical and swivel housings.The front wheels are pivoted on tape roller bearings at
the top and bottom of the swivel housing. The wheel
hubs on all axles are supported by two taper bearings
and driven by drive flanges which are splined to the
one piece, stub shaft/constant velocity joint.
Front axle hub and swivel housing
1.Axle casing
2.Ventilation pipe
3.Axle shaft
4.Wheel studs and hub
5.Stub axle
6.Wheel bearings
7.Inner and outer hub seals
8.Axle shaft seal
9.Hub lock plate, thrust washer and nuts
10.Brake disc
11.Drive flange
12.Shim washer and circlip13.Dust cap
14.Constant velocity joint/shaft
15.Thrust collar for CV joint
16.Roller bearing
17.Spacer
18.Circlip
19.Top and bottom swivel taper bearing
20.Top and bottom swivel pins
21.Spherical housing, seal and retainer
22.Swivel housing
23.Constant velocity shaft seal
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