Defender 90 NAS. Manual — part 47
REAR AXLE AND FINAL DRIVE
5
REPAIR
Refit
7. Ensure mating faces are clean and apply a bead
of RTV sealant to axle case flange.
8. Support differential unit and position on axle
casing.
9. Secure with lock nuts and tighten to
40 Nm,
30lbf/ft.
10. Align marks on flanges and secure propeller
shaft to differential. Tighten bolts to
48 Nm, 35
lbf/ft.
11. Refit half shafts.
See Rear hub assembly
12. Refill axle oil with approved lubricant.
See
LUBRICANTS, FLUIDS AND CAPACITIES,
Information, recommended lubricants and
fluids
REAR AXLE AND FINAL DRIVE
1
OVERHAUL
REAR HUB ASSEMBLY
Service repair no - 64.15.14.
REAR HUB COMPONENTS
1. Nut - sensor ring
2. Axle shaft.
3. Axle shaft joint washer.
4. Axle shaft retaining bolt - 5 off.
5. Lock nut.
6. Lock washer.
7. Hub adjusting nut.
8. Spacing washer.
9. Outer bearing.
10. Hub.
11. Inner bearing.
12. Grease seal.
13. Brake disc.
14. Disc retaining bolt - 5 off.
15. Sensor ring - engine management
51
REAR AXLE AND FINAL DRIVE
2
OVERHAUL
Remove
1. Remove rear hub.
See 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.
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 tool LRT-54-003seal
replacer and drift. Apply grease between seal
lips.
10. Assemble brake disc to the hub, line up
reassembly marks. Applying Loctite 270, fit and
tighten retaining bolts to
73 Nm, 55 lbf/ft.
11. Pack hub outer bearing with grease and fit to
hub.
12. Fit rear hub assembly.
See Repair, Rear Hub
Assembly
REAR AXLE AND FINAL DRIVE
3
OVERHAUL
REAR STUB AXLE
Service repair no - 64.15.22.
STUB AXLE COMPONENTS
1. Stub axle to axle casing bolt
2. Mudshield
3. Stub axle
4. Stub axle joint washer
5. Axle casing
6. Wheel speed sensor
Overhaul
1. Remove hub assembly.
See Repair, Rear Hub
Assembly
2. Remove 6 bolts securing stub axle to axle
casing.
3. Remove mudshield.
4. Remove stub axle and joint washer.
Renew rear stub axle oil seal
5. Remove and discard oil seal. Lubricate seal and
lip with EP90 oil. Using special tool
LRT-51-004(LST.138) fit new oil seal lipside
trailing so that seal is flush with rear face of stub
axle.
Refit
6. Fit new joint washer, stub axle and mudshield
bolts. Tighten bolts to
65 Nm, 50 lbf/ft .
7. Refit hub assembly
See Repair, Rear Hub
Assembly
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