Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual - part 1999

STEERING  3B-75

Checkpoint

Trouble Cause

Countermeasure

Steering unit internal parts

Worm shaft bearing preload

Hydraulic system (Power

steering only)

Replace the damaged parts

Adjust the preload

Air bleeding

Part damage

Preload too heavy

Air in the hydraulic system

Control valve lock nut

(Power steering only)

Retighten the lock nut to the

specified torque

Repair or replace

Control valve lock nut

overtightened

Joints and sleeve yoke

sticking or rusted

OK

OK

NG

NG

NG

NG

NG

OK

OK

Joints and sleeve yoke

Continued from the previous page

3B-76  STEERING

2.  STEERING VIBRATION AND SHIMMY

Checkpoint

Trouble Cause

Countermeasure

Steering link joint ball play

Front wheel alignment

Steering wheel play

Wheel pins

Replace the joint ball and the

ball seat

Correct the front wheel

alignment

Adjust the play

Retighten or replace the wheel

pin(s)

Joint ball excessively worn

Front wheels out of alignment

Excessive play

Broken or loose wheel pin(s)

Tires and disc wheels

Correct the tire balance
Replace the disc wheel

Retighten the wheel nuts to

the specified torque

Unbalanced tires

Deformed disc wheel(s)

Wheel nuts unevenly torqued

OK

OK

OK

OK

Continued on the next page

NG

NG

NG

NG

NG

NG

OK

OK

Wheel nuts

STEERING  3B-77

Checkpoint

Trouble Cause

Countermeasure

Steering unit internal parts

Sector shaft needle bearing

Wheel bearings

Replace the damaged parts

Replace the needle bearing

Replace the bearings

Part damage

Needle bearing excessively

worn

Play in bearings excessive or

bearings disintegrated

Adjust screw and sector shaft

clearance

Adjust the clearance

Replace the shock absorbers

Excessive clearance

Faulty shock absorbers

OK

OK

NG

NG

NG

NG

NG

OK

OK

Shock absorbers

Continued from the previous page

3B-78  STEERING

3.  STEERING PULLS TO ONE SIDE OR THE OTHER

Checkpoint

Trouble Cause

Countermeasure

Brakes

Front wheel alignment

Shock absorbers

Tires and disc wheels

Refer to Section 05A "BRAKE

VACUUM ASSISTED

HYDRAULIC TYPE"

Correct the front wheel

alignment

Replace the shock absorbers

Correct the tire balance

Replace the disc wheel

One wheel dragging

Front wheels out of alignment

Faulty shock absorbers

Unbalanced tires
Deformed disc wheel(s)

Wheel bearings

Correct or replace

Inflate all the tires to the

specified pressure

Incorrect preload or damage

Tires unevenly inflated

OK

OK

OK

OK

NG

NG

NG

NG

NG

NG

OK

OK

Tire inflation pressure

Steering shaft end play

Adjust the end play

Excessive end play

NG