Isuzu Trooper (1998-2002 year). Service manual — part 56
SERVICE INFORMATION 00 – 9
Problem
Possible Cause
Correction
STEERING COLUMN
LOCK SYSTEM
Will Not Unlock
Will Not Lock
Key Cannot Be Removed
in “OFF-LOCK”
1. Damaged lock cylinder.
2. Damaged sector.
3. Damaged park lock cable.
1. Lock spring broken or worn.
2. Damaged lock cylinder.
3. Ignition switch stuck.
4. Park lock cable damaged.
1. Ignition switch is not set correctly.
2. Damaged lock cylinder.
3. Faulty shift lock mechanism.
Replace lock cylinder.
Replace lock cylinder.
Replace park lock cable.
Replace lock cylinder.
Replace lock cylinder.
Repair or replace ignition
switch.
Replace park lock cable.
Correct ignition switch.
Replace lock cylinder.
Repair or replace the shift lock
mechanism.
Problem
Possible Cause
Correction
COLUMN
Noise in Column
1. Universal joint loose.
2. Shaft lock snap ring not seated.
Tighten joint.
Place snap ring in proper
position.
00 – 10 SERVICE INFORMATION
Problem
Possible Cause
Correction
STEERING COLUMN (CONT.)
TURN SIGNAL SWITCH
This troubleshooting covers mechanical problems only. See Section 8 for turn signal switch electrical
diagnosis.
Turn Signal Will Not Stay
in Turn Position
Turn Signal Will Not
Cancel
Turn Signal Difficult to
Operate
Turn Signal Will Not
Indicate Lane Change
Hezard Switch Cannot Be
Turned Off
No Turn Signal Lights
Front or Rear Turn Signal
Lights Not Flashing
1. Foreign material or loose parts
preventing movement of yoke.
2. Broken or missing detent or canceling
spring.
1. Loose switch mounting screws.
2. Switch or anchor bosses broken.
3. Broken, missing or out of position
detent, return or canceling spring.
4. Worn canceling cam.
1. Turn signal switch arm loose.
2. Yoke broken or distorted.
3. Loose or misplaced springs.
4. Foreign parts and/or material.
5. Loose turn signal switch mounting
screws.
1. Broken lane change pressure pad or
spring hanger.
2. Broken, missing or misplaced lane
change spring.
3. Base of wire damaged.
1. Foreign material between hazard
switch to turn signal switch body.
1. Electrical failure in chassis harness.
2. Inoperative turn signal flasher unit.
3. Loose chassis harness connector.
1. Burned-out damaged turn signal bulb.
2. High resistance connection to ground
at bulb socket.
3. Loose chassis harness connector.
Repair or replace signal switch.
Replace signal switch.
Tighten mounting screws.
Replace turn signal switch.
Replace turn signal switch.
Replace turn signal switch.
Tighten arm screw.
Replace turn signal switch.
Replace turn signal switch.
Repair turn signal switch.
Tighten mounting screws.
Replace turn signal switch.
Replace turn signal switch.
Replace turn signal switch.
Repair or replace hazard
switch.
Refer to Section 8 “Electrical
Troubleshooting”.
Replace flasher unit.
Repair loose connector.
Replace bulb.
Repair bulb socket.
Repair loose connector.
SERVICE INFORMATION 00 – 11
MAIN DATA AND SPECIFICATIONS
FRONT END ALIGNMENT
Caster
2° 10' ± 45'
Camber
0° ± 30'
King pin inclination
12° 30' ± 30'
Toe-in
mm (in)
0 ± 2 (0 ± 0.08)
Max. steering angle
(inside)
34°
+0°
(outside)
32°
+0°
–2°
POWER STEERING
Steering gear
Type
Integral, ball screw
Gear ratio
16.3 : 1
Oil pump
Type
Vane
Operating fluid
ATF DEXRON
®
-
Ⅱ E or Ⅲ
00 – 12 SERVICE INFORMATION
Items
Service Standard
Service Limit
SERVICE STANDARD
POWER STEERING GEAR
Sector shaft outside diameter
mm (in)
POWER STEERING PUMP
Fluid pressure
(When the engine is normal operating
temperature, increase engine speed to
1500rpm.)
kpa (kg/cm
2
/psi)
STEERING WHEEL
Free play
mm (in)
32.0 (1.26)
9300 – 9800
6VD1
(95 – 100 / 1350 – 1420)
(
6VE1
)
9800 – 10300
4JG2
(100 – 105 / 1420 – 1490)
(
4JX1
)
0 – 30 (0 – 1.18)
31.7 (1.25)
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