Isuzu KB P190. Manual — part 141

4C1-60 FRONT WHEEL DRIVE

RTW74CSH00030

1

17. Oil Seal
Installer : 5-8840-2854-0

Grip :

5-8840-0007-0

Apply grease (Besco L-2 or equivalent) to the lip portion.

Discard the used oil seal and install a new one.

RTW44CSH00020

1

18. Outer bearing
Outer race ; outer bearing

Install the outer race by driving it into the hub.

Installer : 5-8522-0054-0

Grip :

5-8840-0007-0

19. Hub and Disc Assembly

(

1) Apply grease in the hub.

(2) Apply grease (Besco L-2 or equivalent) to the outer and

inner bearing.

g(oz)

Hub

35 (

1.23)

Outer bearing

10 (0.35)

Inner bearing

15 (0.53)

20. Hub Nut

(

1) Turn the place where there is a chamfer in the tapped hole

to the outer side, and attach the nut.

Wrench : 5-8840-2

117-0

FRONT WHEEL DRIVE 4C1-61

Preload Adjustment

Tighten the hub nut at 29 N

⋅m (3.0 kgf⋅m / 22 lb⋅ft), then loosen

the nut to the full.

Tighten the hub nut at the value given below, using a spring
scale on the wheel pin.

Bearing Preload

N (kgf/lb)

New bearing and New oil seal

22 - 27

(2.2 - 2.8 / 4.9 - 6.2)

Used bearing and New oil seal

14 - 20

(

1.4 - 2.0 / 3.1 - 4.5)

If the measured bearing preload is outside the specifications,
adjust it by loosening or tightening the bearing nut.

21. Lock Washer
Turn the side with larger diameter of the tapered bore to the
vehicle outer side, and attach the washer.

If the bolt holes in the lock plate are not aligned with the
corresponding holes in the nut, reverse the lock plate.

If the bolt holes are still out of alignment, turn in the nut just
enough to obtain alignment,. Screw is to be fastened tightly so
its head may come lower than the surface of the washer.

22. Body Assembly
Apply adhesive (Loctite 5

15 or equivalent) to the both joining

faces.

23. Snap Ring and Shims
Adjust the clearance between the free wheeling hub body and
the snap ring.

Clearance mm(in)

0 - 0.2 (0 - 0.08)

Adjust Shims Available

mm(in)

0.2, 0.3, 0.5,

1.0

(0.008, 0.0

11, 0.020, 0.039)

4C1-62 FRONT WHEEL DRIVE

24. Cover Assembly
Align stopper nails to grooves of body.

25. Bolt

Torque N

⋅m (kgf⋅m/lb⋅in)

12 (1.2 / 104)

• Refer to SECTION 3E “WHEELS AND TIRES” for wheel

install procedure.

FRONT WHEEL DRIVE 4C1-63

TROUBLESHOOTING

Refer to this Section to quickly diagnose and repair front axle problems. Each troubleshooting chart has three
headings arranged from left to right.

(

1) Checkpoint (2) Trouble Cause (3) Countermeasure

This Section is divided into ten sub-sections:

4×2 Model

1. Wanders and pulls
2. Front wheel shimmy

4×4 Model

1. Oil leak at front axle
2. Oil leak at pinion shaft

3. Noises in front axle drive shaft joint

4. Noises in front axle

5. Wanders and pulls

6. Front wheel shimmy

Propeller shaft

1. Noise
2. Vibration