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
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