Isuzu N-Series. Manual — part 168
REAR AXLE 4B-29
Differential Assembly (NHR Single Tire Model; Semi-Floating)
Removal
Preparation:
• Raise vehicle to working level.
• Support the axle assembly with suitable jack and
chassis stand.
• Drain the oil from the axle case.
1. Propeller Shaft
2. Axle Shaft with Brake Assembly
To remove the axle shaft assembly, follow the re-
moval procedure outlined under “Rear Hub and
Brake Drum” after finding the axle assembly is
semi-floating rear axle.
3. Differential Assembly
Installation
1. Differential Assembly
Apply liquid gasket (BELCO BOND NO. 4 or equiv-
alent) to the jointing faces of the axle case and car-
rier.
Tighten:
Differential carrier bolt and nut to
• Bolt: 64 N
⋅m (6.5 kg⋅m / 47 lb⋅ft)
• Nut: 64 N
⋅m (6.5 kg⋅m / 47 lb⋅ft)
2. Axle Shaft with Brake Assembly
To install the axle shaft assembly, follow the instal-
lation procedure outlined under “Rear Hub and
Brake Drum” after finding the axle assembly is
semi-floating rear axle.
Tighten:
Bearing holder nut to: 74 N
⋅m (7.5 kg⋅m / 54 lb⋅ft)
3. Propeller Shaft
Tighten:
Propeller shaft nut torque: 63 N
⋅m (6.4 kg⋅m / 46 lb⋅ft)
Legend
1. Propeller shaft
3. Differential assembly
2. Axle shaft with brake assembly
N4A0130E
4B-30 REAR AXLE
Differential Assembly (NKR Single Tire and All Dual Tire Models; Full Floating)
Legend
1. Propeller shaft
3. Differential assembly
2. Axle shaft
N4A0132E
REAR AXLE 4B-31
Removal
Preparation:
Drain the oil from the axle case.
1. Propeller Shaft
2. Axle Shaft
3. Differential Assembly
To remove, turn push bolt into threaded holes in
the differential carrier, so that differential assembly
is lifted off the position.
Installation
1. Differential Assembly
Apply liquid gasket (BELCO BOND No. 4 or equiv-
alent) to the joining faces of the axle case and car-
rier.
Tighten:
Differential carrier bolt and nut to
• 244 — 320 mm differential: 64 N
⋅m (6.5 kg⋅m / 47 lb⋅ft)
2. Axle Shaft
Tighten:
Axle shaft nut to 46 N
⋅m (4.7 kg⋅m / 34 lb⋅ft)
3. Propeller Shaft
Tighten:
Propeller shaft nut to
• M10: 62.7 N
⋅m (6.4 kg⋅m / 46 lb⋅ft)
• M12: 103 N
⋅m (10.5 kg⋅m / 76 lb⋅ft)
N4A0133E
N4A0134E
4B-32 REAR AXLE
UNIT REPAIR
244 mm Rear Differential
Major Components
Legend
A. NKR
9. Distance piece (NKR model)
B. NHR
10. Collapsible spacer (NHR model)
1. Bearing Cap
11. Drive pinion
2. Side bearing outer race
12. Inner bearing inner race
3. Differential cage assembly
13. Inner bearing outer race
4. Side bearing inner race
14. Pinion depth adjusting shim
5. Backlash and preload adjusting shim
15. Oil seal
6. Flange nut
16. Outer bearing inner race
7. Flange
17. Outer bearing outer race
8. Bearing preload adjusting shim
N4A0135E
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