Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Manual - part 1728

FRONT SUSPENSION

3C–13

Upper Control Arm

Upper Control Arm and Associated Parts

450R200005

EndOFCallout

Removal

1. Raise the vehicle and support the frame with

suitable safety stands.

2. Remove wheel and tire assembly. Refer to Wheel in

this section.

3. Remove the brake caliper and disconnect brake

pipe. Refer to Disc Brakes in Brake section.

4. Support lower control arm with a jack. 

5. Remove speed sensor cable.

Legend

(1) Bolt and Plate
(2) Camber Shims
(3) Caster Shims
(4) Nut Assembly
(5) Upper Control Arm Assembly
(6) Fulcrum Pin

(7) Bushing
(8) Plate
(9) Nut

(10) Speed Sensor Cable

(11) Nut and Cotter Pin

(12) Upper Ball Joint, Bolt and Nut

3C–14

FRONT SUSPENSION

6. Remove nut and cotter pin then use remover J–

36831.

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

901R200022

7. Remove upper ball joint.

8. Remove bolt and plate.

9. Remove nut assembly.

10. Remove camber shims and note the positions and

number of shims.

11. Remove caster shims and note the positions and

number of shims.

12. Remove upper control arm assembly.

13. Remove nut (9).

14. Remove plate (8).

15. Remove bushing (7) by using remover J–29755.

901RW161

901RW160

16. Remove fulcrum pin (6).

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

1. Install fulcrum pin.

2. Install bushing by using installer J–29755 and J–

39376.

901RW164

FRONT SUSPENSION

3C–15

901RW159

3. Install plate (8).

4. Install nut (9) and tighten fulcrum pin nut finger–

tight.

NOTE:  Torque fulcrum pin nut after adjusting buffer
clearance.

Buffer clearance: 22 mm (0.87 in)

Torque: 108 N·m (80 lb ft)

450R200009

5. Install upper control arm assembly with the fulcrum

pin projections turned inward.

450RS013

EndOFCallout

6. Install the caster shims(2) between the chassis

frame and fulcrum pin. 

7. Install the camber shims(1) between the chassis

frame and fulcrum pin.

450RS014

8. Install nut assembly.

9. Install bolt and plate, then tighten the bolt to the

specified torque.

Torque: 152 N·m (112 lb ft)

10. Install upper ball joint and tighten it to the specified

torque.

Torque: 57 N·m (42 lb ft)

11. Install nut and cotter pin then tighten the nut to the

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

Torque98N·m  (72 lb ft)

12. Install speed sensor cable.

Legend

(1) Projection
(2) Outward

3C–16

FRONT SUSPENSION

Lower Control Arm

Lower Control Arm and Associated Parts

450R200006

EndOFCallout

Removal

1. Raise the vehicle and support the frame with

suitable safety stands.

2. Remove wheel and tire assembly. Refer to Wheel in

this section.

3. Remove the tie-rod end from the knuckle. Refer to

Power Steering Unit in Steering section.

4. Remove the retaining ring from the front axle driving

shaft to release the shaft from hub(Except 2WD
model). Refer to Front Hub and Disc in Driveline/
Axle section.

5. Support lower control arm with a jack. 

Legend

(1) Nut, Front
(2) Bush, Front
(3) Bolt, Front
(4) Nut, Rear
(5) Bush, Rear
(6) Bolt, Rear
(7) Bolt, Lower Ball Joint

(8) Bolt, Torsion Bar Arm
(9) Torsion Bar Arm Bracket and Nut

(10) Torsion Bar

(11) Lower Control Arm

(12) Lower Ball Joint and Nut
(13) Shock Absorber Bolt and Nut
(14) Stabilizer Link, Washer and Nut