Isuzu N-Series. Manual - part 163

REAR AXLE 4B-9

3. Bearing Holder

1) Insert four through-bolts into back plate.
2) Install bearing holder to back plate.
3) Install the above parts onto the axle shaft.
4) Install bearing over axle shaft and press into

bearing holder.
Installer: 9-8522-1271-0

4. Bearing Lock Nut and Washer

1) Install the washer with the washer tab inserted

to the groove on the axle shaft.

2) Discard used bearing lock nut and install a new

one into the position by using a vise and special
tools.
Installer: 5-8840-2003-0
Wrench: 5-8840-2329-0

Tighten:
Bearing lock nut to 260 N

⋅m (26.5 kg⋅m / 192 lb⋅ft)

 

3) Stake the bearing lock nut at groove portion on

the axle shaft.

5. O-Ring
6. Oil seal; Axle Case

1) Installer: 9-8522-1272-0

N4A0066E

N4A0067E

Legend

1. Axle shaft
2. Nut
3. Bearing lock nut
4. Bearing

N4A0068E

N4A0069E

4B-10 REAR AXLE

2) Apply measured amount of good quality grease

to the inner face of the rear axle case.

Type of grease: Wheel bearing grease of Multipurpose
type grease
Amount of grease required: 80 g (2.8 oz)

7. Shim

Install the axle shaft assembly to the axle case with
a 1 mm (0.039 in) thick shim fitted in position be-
tween the bearing holder and axle case flange. In-
stall and tighten the bolts evenly in progression.

Tighten:
Bearing holder nut to 74 N

⋅m (7.5 kg⋅m / 54 lb⋅ft)

Install the axle shaft assembly on the opposite side
and push it in until it is fitted against the differential
thrust block.
Then, measure the clearance (t) between the bear-
ing holder and axle case flange and determine the
thickness of the shim to be installed by the follow-
ing formula:
Measured clearance (t) + 0.3 mm (0.012 in.) =
thickness of shim to be installed.

Thickness of shims available, 0.05, 0.076, 0.13, 0.5, 1.0
mm (0.002, 0.003, 0.005, 0.02, 0.04 in)

8. Axle Shaft with Brake Assembly

Tighten:
Bearing holder nut to 74 N

⋅m (7.5 kg⋅m / 54 lb⋅ft)

• Connect the brake pipes to wheel cylinder.
• Brake air bleeding, refer to servicing to Section 5

“Brake”.

Legend

1. Oil seal
2. Grease
3. O-ring

N4A0070E

N4A0071E

N4A0072E

N4A0073E

REAR AXLE 4B-11

Notice:
To install the axle shaft assembly, follow the reassembly
procedure outline under the Section 5 “Brake”.

9. Brake Drum

10. Wheel and Tire

Tighten:
Wheel nut to 167 N

⋅m (17 kg⋅m / 123 lb⋅ft)

N4A0074E

4B-12 REAR AXLE

Rear Hub and Brake Drum (NKR Model; Full Floating)

Single Tire

Legend

1. Wheel and tire

7. Hub assembly

2. Brake drum

8. Outer bearing

3. Axle shaft

9. Inner oil seal

4. Outer oil seal

10. Inner bearing

5. Lock washer

11. Hub

6. Bearing lock nut

N4A0076E