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