Isuzu KB P190. Manual — part 94

FRONT SUSPENSION 3C-55

2. VEHICLE PULLS TO RIGHT OR LEFT

Checkpoint Problem

Countermeasure

Steering linkage, and upper

and lower link

Rubber bushing for upper and

lower link

Wheel alignment

Vehicle trim height

Replace

Replace

Adjust

Adjust

Deformed

Worn

Incorrect

Incorrect

Brake adjustment (binding)

Adjust

Replace

Incorrect

Collapsed or break (4

×2

Except high ride suspension)
Collapsed or twisted (4

×4, 4×2

High ride suspension)

Continued on the next page

OK

OK

OK

OK

NG

NG

NG

NG

NG

NG

OK

OK

Coil spring (4

×2 Except high

ride suspension)
Torsion bar (4

×4, 4×2 High

ride suspension)

Front wheel bearing

Adjust or replace

Incorrect adjustment or

abrasion

NG

3C-56 FRONT SUSPENSION

Checkpoint Problem

Countermeasure

Tire tread (right and left)

Replace (tire)

Difference in wear and tear

Adjust or tighten

Improper or instufficient

tightening

NG

NG

OK

Tire pressure or wheel nuts

Continued from the previous page

FRONT SUSPENSION 3C-57

3. INSTABILITY OF VEHICLE

Checkpoint Problem

Countermeasure

Tire pressure

Wheel alignment

Rubber bushings for upper

and lower links. (4

× 2 Except

high ride suspension)

Adjust

Adjust

Replace

Incorrect

Incorrect

Worn

Steering linkage and upper

and lower links

Replace

Adjust

Worn or deformed

Incorrect

OK

OK

OK

NG

NG

NG

NG

NG

OK

OK

Vehicle trim height

Road wheel

Adjust

Deformed or unbalanced

NG

3C-58 FRONT SUSPENSION

4. STIFF STEERING WHEEL

Checkpoint Problem

Countermeasure

Steering gear box or steering

linkage

Steering linkage

Steering gear

Wheel alignment

Replace the part

Replace

Replace

Adjust

Insufficient lubricants or

impurities present; or

excessively worn

Deformed

Worn or damaged

Incorrect

Replace

Stiff or damaged or lack of

grease

OK

OK

OK

OK

OK

NG

NG

NG

NG

NG

OK

Upper and ball joint

Steering column with turn

signal switch

Replace

Interference abrasion

NG

Tire pressure

Adjust

Improper

NG