Isuzu Trooper (2000 year). Manual — part 57
2A–58
POWER ASSISTED SYSTEM
Steering Column
Steering Column and Associated Parts
431RW002
Legend
(1) Inflator Module
(2) Steering Wheel
(3) Steering Column Cover
(4) Combination Switch and SRS Coil Assembly
(5) Snap Ring
(6) Cushion Rubber
(7) Lock Cylinder Assembly
(8) Shift Lock Cable (For A/T)
(9) Steering Column Assembly
(10) Front Console Assembly
(11) Lower Cluster Assembly
(12) Steering Lower Cover
(13) Driver Knee Bolster (reinforcement)
Removal
1. Turn the steering wheel so that the vehicle’s wheels
are pointing straight ahead.
2. Turn the ignition switch to “LOCK”.
3. Disconnect the battery “–” terminal cable, and wait at
least 5 minutes.
4. Disconnect the yellow 2-way SRS connector located
under the steering column.
POWER ASSISTED SYSTEM
2A–59
CAUTION: The wheel of the vehicle must be straight
ahead and the steering column in the “LOCK”
position before disconnecting the steering column
from the steering gear. Failure to do so will cause the
SRS coil assembly to become uncentered which will
cause damage to the SRS coil assembly.
5. Disconnect the transmission (for M/T) and transfer
control lever knob.
6. Disconnect the wiring harness connectors.
7. Remove front console assembly.
8. Remove lower cluster assembly.
9. Remove the engine hood opening lever, then remove
steering lower cover.
10. Remove driver knee bolster (reinforcement).
11. Loosen the inflator module fixing bolt from behind the
steering wheel assembly using a TORX
driver or
equivalent until the inflator module can be released
from steering assembly.
827RT008
12. Disconnect the yellow 2-way SRS connector located
behind the inflator module.
13. Remove inflator module.
WARNING: THE INFLATOR MODULE SHOULD
ALWAYS BE CARRIED WITH THE URETHANE
COVER AWAY FROM YOUR BODY AND SHOULD
ALWAYS BE LAID ON A FLAT SURFACE WITH THE
URETHANE SIDE UP. THIS IS NECESSARY
BECAUSE A FREE SPACE IS PROVIDED TO ALLOW
THE AIR CUSHION TO EXPAND IN THE UNLIKELY
EVENT OF ACCIDENTAL DEPLOYMENT.
OTHERWISE, PERSONAL INJURY MAY RESULT.
827RS016
14. Apply a setting mark (1) across the steering wheel
and shaft so parts can be reassembled in their original
position. Move the front wheels to the straight ahead
position, then use steering wheel remover J–29752 to
remove the steering wheel.
430RW001
2A–60
POWER ASSISTED SYSTEM
430RT009
15. Remove steering column cover.
16. Disconnect the wiring harness connectors located
under the steering column.
17. Remove the combination switch assembly with SRS
coil.
NOTE: SRS coil is a part of combination switch
assembly, which can not be replaced singly. Therefore,
be sure not to remove the SRS coil from the combination
switch assembly.
825RW030
18. Remove snap ring.
19. Remove cushion rubber.
20. Remove shift lock cable (For A/T).
21. Disconnect the starter switch harness connector
located under the steering column, then remove lock
cylinder assembly.
22. Apply a setting mark (1) across the universal joint and
steering shaft to reassemble the parts in their original
position, then remove steering column assembly.
NOTE: A setting mark can be easily made if the shaft is
withdrawn a little by loosening the steering shaft universal
joint.
431RW004
Inspection
If the abnormal conditions are found through inspection,
replace the steering column assembly.
Column Capsule
Check capsules on steering column bracket assembly; all
must be securely seated in bracket slots and checked for
any loose conditions when pushed or pulled by hand.
431RW030
POWER ASSISTED SYSTEM
2A–61
Check clearance between capsule and bracket. It must
be within 1 mm (0.039 in).
431RW031
Column Tube
Check for collapse by measuring the distance as shown in
the figure.
Standard distance: 162.2–165.8 mm (6.386–6.528
in)
431RW032
Column Universal Joint for Tilt Mechanism
If the resistance is felt when checked by rotate the joint,
replace the steering column assembly.
Sheared Injected Plastic Pin
Check the sheared injected plastic pins for any loose
conditions or damage.
431RW033
Shaft Length
Check the shaft length from the upper end of the slide joint
to the end of the shaft. If column length is not in
specifications, steering column should be replaced.
Standard length: 308–310 mm (12.126–12.205 in)
431RX003
Shaft Universal Joint (Lower End)
If the resistance is felt when checked by rotate the joint,
replace the steering column assembly.
Shaft Bellows Pipe
Check the shaft bellows pipe for bend by using straight
edge. Measure the clearance between the bellows pipe
and the straight edge (at center of the bellows pipe).
Standard: Less than 1 mm (0.039 in)
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