Isuzu KB P190. Service manual — part 143
4C1-68 FRONT WHEEL DRIVE
5. WANDERS AND PULLS
Checkpoint
Trouble
Cause
Countermeasure
Adjust the wheel bearing
preload
Too tight
NG
Adjust the front alignment
Front alignment
Incorrect
Tighten or replace
Steering unit
Loose or worn
NG
NG
OK
OK
Tighten or replace
Replace or adjust the inflation
Suspension
Front or rear suspension parts
loose or broken
Tire
Worn or improperly inflated
NG
NG
OK
OK
Wheel bearing preload
FRONT WHEEL DRIVE 4C1-69
6. FRONT WHEEL SHIMMY
Checkpoint
Trouble
Cause
Countermeasure
Ball joint or bush
Replace the ball joint or bush
Worn
Front alignment
Adjust the front alignment
Adjust or replace
Incorrect
Worn or improperly adjusted
OK
OK
NG
NG
NG
OK
Wheel bearing
Tighten or replace
Loose or worn
NG
Shock absorber
Replace the shock absorber
Worn
Tire
Replace or adjust the inflation
Worn or improperly inflated
OK
NG
NG
OK
Steering unit
4C1-70 FRONT WHEEL DRIVE
PROPELLER SHAFT
1. NOISE
Checkpoint
Trouble
Cause
Countermeasure
Spider bearing
Replace
Worn or jammed
Replace
Damaged or worn
NG
NG
OK
Yoke spline
2. VIBRATION
Shaft balance
Adjust
Unbalance
Replace
Incorrect
NG
NG
OK
Shaft runout
Transmission rear housing
bushing, transfer case
housing bushing
Replace
Worn
NG
OK
Yoke spline
Replace
Jammed
NG
OK
FRONT WHEEL DRIVE 4C1-71
SPECIAL SERVICE TOOL
ILLUSTRATION
PART NO.
PART NAME
5-8840-2309-0
Ft axle mount bushing installer & remover
5-8840-2745-0 Pliers
5-8840-00
13-0
(J-22888)
Side bearing remover
9-852
1-1743-0
(J-8
107-2)
Side bearing plug adapter
5-8840-0
133-0
(J-86
14-01)
Pinion flange holder
9-852
1-5032-0
Final pinion spindle
5-8840-00
15-0
(J-229
12-01)
Separator
9-8522-
1141-0
(J-24256)
Outer bearing outer race installer
5-8840-0007-0
(J-8092)
Grip
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