Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual — part 2046
3B-74 STEERING
1. HARD STEERING WITH POOR STEERING WHEEL RETURN
Checkpoint
Trouble Cause
Countermeasure
Steering shaft bearings
Steering linkage
Front wheel alignment
Oil level in the reservoir
(Power steering only)
Replace the bearings
Repair or replace the joint ball
and/or the ball seat
Correct the front wheel
alignment
Replenish the oil
Bearings sticking or rusted
Joint ball sticking or rusted
Front wheels out of alignment
Insufficient oil
Steering wheel play
Adjust the play
Correct the tire inflation
pressure
Insufficient play
Low tire inflation pressure
OK
OK
OK
OK
Continued on the next page
NG
NG
NG
NG
NG
NG
OK
OK
Tire inflation pressure
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
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