Isuzu Trooper (1998-2002 year). Manual - part 84

FRONT SUSPENSION  3C – 15

REMOVAL

Preparation:

1)

Raise the vehicle and support the frame with suitable
safety stands.

2)

Remove wheel and tire assembly. Refer to “Wheels
and Tires” in section 3E.

3)

Remove the brake caliper and disconnect flexible hose.
Refer to “Brakes” in section 5.

4)

Support lower control arm with a jack.

1. Speed Sensor Cable (if equipped with ABS)

2. Nut and Cotter Pin

Remove the upper ball joint from the knuckle.
Remover: 5-8840-2121-0 (J-36831)

CAUTION:
Be careful not to break the ball joint boot.

3. Upper Ball Joint

4. Bolt and Plate

5. Nut Assembly

6. Camber Shims

Note the positions and number of shims.

7. Caster Shims

Note the positions and number of shims.

8. Upper Control Arm Assembly

9. Nut

10. Plate

11. Bushing

Remover: 5-8840-0256-0 (J-29755)

12. Fulcrum Pin

3C – 16 FRONT SUSPENSION

INSPECTION AND REPAIR

Make necessary parts replacement if wear, damage,
corrosion or any other abnormal conditions are found
through inspection.
Check the following parts:

•

Upper control arm

•

Bushing

•

Fulcrum pin

INSTALLATION

12. Fulcrum Pin

11. Bushing

Installer: 5-8840-0256-0 (J-29755) and

5-8840-2307-0 (J-39376)

10. Plate

9. Nut

Tighten fulcrum pin nut finger-tight.

NOTE:
Torque fulcrum pin nut after adjusting buffer clearance.

Buffer Clearance (T)

mm (in)

23 (0.91) Wide Tread

24 (0.94) Narrow Tread

Fulcrum Pin Nut Torque

N·m (kg·m/lb·ft)

108 (11.0 / 80)

FRONT SUSPENSION  3C – 17

8. Upper Control Arm Assembly

Install upper control arm assembly with the fulcrum
pin projections turned inward.

7. Caster Shims

Install the caster shims between the chassis frame and
fulcrum pin.

6. Camber Shims

Install the camber shims between the chassis frame
and fulcrum pin.

5. Nut Assembly

4. Bolt and Plate

Fulcrum Pin Bolt Torque

N·m (kg·m/lb·ft)

152 (15.2 / 112)

3. Upper Ball Joint

Upper Ball Joint Nut Torque

N·m (kg·m/lb·ft)

57 (5.8 / 42)

2. Nut and Cotter Pin

Tighten the nut to the specified torque, with just
enough additional torque to align cotter pin holes.
Install new cotter pin.

Upper Ball Joint Nut Torque

N·m (kg·m/lb·ft)

98 (10.0 / 72)

1. Speed Sensor Cable (if equipped with ABS)

3C – 18 FRONT SUSPENSION

LOWER CONTROL ARM

Removal Steps

1.

Nut and washer, front

2.

Nut and washer, rear

3.

Torsion bar

4.

Torsion bar arm

5.

Stabilizer link

6.

Shock absorber

7.

Lower ball joint

8.

Bolt, front

9.

Bolt, rear

10.

Lower control arm

11.

Bolt, torsion bar arm

12.

Bolt, lower ball joint

13.

Bushing, front

14.

Bushing, rear

Installation Steps

14.

Bushing, rear

13.

Bushing, front

12.

Bolt, lower ball joint

11.

Bolt, torsion bar arm

10.

Lower control arm

9.

Bolt, rear

8.

Bolt, front

7.

Lower ball joint

6.

Shock absorber

5.

Stabilizer link

4.

Torsion bar arm

3.

Torsion bar

2.

Nut and washer, rear

1.

Nut and washer, front