Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual - part 2047

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

STEERING  3B-79

4.  STEERING WANDER (EXCESSIVE PLAY OR LOOSENESS)

Checkpoint

Trouble Cause

Countermeasure

Steering shaft universal joint

Steering wheel and shaft

Front wheel alignment (Toe-

in)

Oil level in the reservoir
(Power steering only)

Tighten the bolts to the

specified torque

Tighten the lock nut to the

specified torque

Correct the front wheel
alignment
(Adjust the toe-in)

Replenish the oil

Universal joint bolts loose

Steering wheel lock nut loose

Front wheels out of alignment
(Toe-in out of adjustment)

Insufficient oil

Manual or power steering unit

Tighten the steering unit bolts

to the specified torque

Replace the tires and check

the wheel alignment

Steering unit mounting loose

Tires badly worn
Rounded tire edges

OK

OK

OK

OK

OK

NG

NG

NG

NG

NG

NG

OK

OK

Tires

Continued on the next page

Steering linkage joint ball nut

Tighten the nut to the

specified torque

Joint ball nut loose

NG

3B-80  STEERING

Checkpoint

Trouble Cause

Countermeasure

Worm shaft bearing preload

Front wheel bearings

Adjust the preload

Replace the bearings or adjust

the preload

Preload improperly adjusted

Bearings excessively worn or

preload incorrectly adjusted

Hydraulic system (Power

steering only)

Air bleeding

Tighten the nut to the

specified torque

Air in the hydraulic system

Pitman arm nut loose

OK

NG

NG

NG

NG

OK

OK

Pitman arm and sector shaft

Continued from the previous page

STEERING  3B-81

5.  MOMENTARY INCREASE IN STEERING EFFORT WHEN THE STEERING

WHEEL IS TURNED QUICKLY TO ONE SIDE OR THE OTHER

(POWER STEERING ONLY)

Checkpoint

Trouble Cause

Countermeasure

Oil pump

(Power steering only)

Repair or replace the oil pump

Oil pump internal leakage

Replenish the oil

Insufficient oil

NG

NG

OK

Oil level in the reservoir

(Power steering only)

6.  STEERING WHEEL SURGE OR JERK WHEN PARKING THE VEHICLE

(POWER STEERING ONLY)

Checkpoint

Trouble Cause

Countermeasure

Oil pump pressure

Adjust the pressure and/or

replace the relief valve

Pressure too low

Replenish the oil

Insufficient oil

NG

NG

OK

Oil level in the reservoir

(Power steering only)