Page 251 of 6020

FRONT ALIGNMENT 3A-3
Inspection
Before making any adjustments affecting caster, camber or
toe-in, the following front end inspection should be made.
1. Inspect the tires for proper inflation pressure. Refer to
Main Data and Specifications in W heel and Tire System section.
2. Make sure that the vehicle is in an unladen condition (W ith no passengers or loading).
3. Make sure that the spare tire is installed at the normal position.
4. Inspect the front wheel bearings for proper adjustment. Refer to Front Hub and Disc Overhaul in Suspension
section.
5. Inspect the ball joints and tie rod ends. If excessive looseness is noted, correct before adjusting. Refer to
Steering Linkage in this section.
6. Inspect the wheel and tires for run-out. Refer to W heel Replacement in W heel and Tire System section.
7. Inspect the trim height. If not within specifications, the correction must be made before adjusting caster.
8. Inspect the steering unit for looseness at the frame.
9. Inspect shock absorbers for leaks or any noticeable noise. Refer to Shock Absorber in Suspension section.
10. Inspect the control arms or stabilizer bar attachment fo
r
looseness. Refer to Suspension section.
11. Inspect the front end alignment using alignment equipment. Follow the manufacturer’s instructions.
12. Park the vehicle on a level surface.
BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007
Page 261 of 6020
FRONT ALIGNMENT 3A-13
RTW 53ASH000301
FRT Buffer clearance (Reference Data) mm(in)
4×2 (High ride suspension), 4 ×4
29.7(1.17)
Adjustment
Adjust the trim height by means of the adjusting bolt on the
height control arms.
1. Check and adjust the tire inflation pressures.
2. Park the vehicle on level ground and move the front of the vehicle up and down several times to settle the suspension.
410RS001
3. Make necessary adjustments with the adjusting bolt on the
height control arms.
RTW 63ASH000101
RR Buffer clearance (Reference Data)
mm(in)
4×2 (High ride suspension), 4 ×4
80.0 (3.15)
BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007
Page 404 of 6020
3D-20 REAR SUSPENSION
4. HARSHNESS
Checkpoint Problem Countermeasure
Bushings in suspension
System
Tire inflation pressure
Retighten or replace
Replace
Adjust
Loosen or broken
Defective
Incorrect
Tires for out of balance
Adjust or replace
Replace tires
Incorrect
Noise does not have any
specific pattern
OK NG
NG
NG
NG
NG
OK
OK Road test vehicle(Noise has a
certain pattern)
BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007
Page 409 of 6020

WHEELS AND TIRES 3E-5
TIRE PRESSURE LABEL (LOCATION: DRIVERS DOOR OR FRAME OF DRIVERS DOOR)
4 ×
××
×
2 Except High Ride Suspension
SEE OW NERS AND
DRIVERS MANUAL FOR
ADDITIONAL INFORMATION
Tire Size Wheel Size Tire inflation pressure
KPa (kgf/cm
2/psi)
Front & Rear Front & Rear Front Rear
195R14C 8PR 14X5.5JJ 245 (2.5/36) 441 (4.5/64)
215/70R15C 15X6.5JJ 221 (2.25/32) 368 (3.75/53)
4 ×
××
×
2 High Ride Suspension, 4 ×
××
×
4
SEE OW NERS AND
DRIVERS MANUAL FOR
ADDITIONAL INFORMATION
Tire Size Wheel Size Tire inflation pressure
KPa (kgf/cm
2/psi)
Front & Rear Front & Rear Front Rear
225/75R15C 15X6.5JJ 221 (2.25/32) 319 (3.25/46)
245/70R16 16X7JJ 200 (2.0/28) 270 (2.8/40)
Note:
•
••
•
The air pressure of the tire should be maintained as indicated in the label instruction on the driver's
door or frame of driver's door.
Lower pressure can cause burst and adverse vehicle handling.
On the other hand, higher pressure can cause shock-burst and reduce gripping effect.
BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007
Page 415 of 6020
WHEELS AND TIRES 3E-11
Shoulder wear (generally
wear develops on outer
shoulder).
Camber or toe-in
incorrect. Shoulder wear
caused by repeated
hard-cornering.
W ear on shoulders at points
opposed to each other.
Tire or wheel out of
round or distorted. Play in bearings or
ball joint.
Premature wear on
shoulders.
Flexing of tire excessive due
to under-inflation.
One-sided feather edging.
W ear caused by
repeated hard-
cornering. Camber or toe-in
incorrect.
BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007
Page 568 of 6020
4C1-64 FRONT WHEEL DRIVE
4× 2 Model
1. WANDERS AND PULLS
Checkpoint Trouble Cause Countermeasure
Adjust the wheel bearing
preload
Too tight
NG
Adjust the front alignment
Front alignment
Incorrect
Steering unit
Tighten or replace
Loose or worn
NG
NG
Suspension
Tighten or replace
Replace or adjust the inflation
Front or rear suspension parts
loose or broken
Tire
W orn or improperly inflated
OK NG
NG
OK
OK
OK
W heel bearing preload
BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007
Page 569 of 6020
FRONT WHEEL DRIVE 4C1-65
2. 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
W orn or improperly adjusted
OK
OK NG
NG
NG
OK
W heel bearing
Tighten or replace
Loose or worn
NG
Shock absorber
Replace the shock absorber
Worn
Tire
Replace or adjust the inflation
W orn or improperly inflated
OK
NG
NG
OK
Steering unit
BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007
Page 572 of 6020
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
W orn or improperly inflated
NG
NG
OK
OK
W heel bearing preload
BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007