Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Manual - part 54

3C–12

FRONT SUSPENSION

2. Apply multipurpose type grease to the thrust washer,

and install washer with chamfered side facing knuckle
(Except 2WD model). 

3. Use a new oil seal, and apply multipurpose type

grease to the area surrounded by the lip (approx. 2 g).
Then use installer J–36837 and J–8092 to install oil
seal.  After fitting the oil seal to the installer, drive it to
the knuckle using a hammer or bench press until the
tool front face contacts with the thrust washer (Except
2WD model).

901RW167

4. Install knuckle assembly.
5. Install upper ball joint and tighten the nut to the

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

Torque: 98 N·m (72 lb ft)

6. Install lower ball joint and tighten the nut to the

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

Torque: 147 N·m (108 lb ft)

7. Install back plate.
8. Install wheel speed sensor.
9. Install torsion bar, refer to 

Torsion Bar in this section.

NOTE: Adjust the trim height. Refer to 

Front End

Alignment Inspection and Adjustment in Steering.

FRONT SUSPENSION

3C–13

Upper Control Arm

Upper Control Arm and Associated Parts

450R200004

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

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.
6. Remove nut and cotter pin then use remover

J–36831.

3C–14

FRONT SUSPENSION

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

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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.
14. Remove plate.
15. Remove bushing by using remover J–29755.

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16. Remove fulcrum pin.

Inspection and Repair

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

D

Upper control arm

D

Bushing

D

Fulcrum pin 

Installation

1. Install fulcrum pin.
2. Install bushing by using installer J–29755 and

J–39376.

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FRONT SUSPENSION

3C–15

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3. Install plate.
4. Install nut and tighten fulcrum pin nut finger–tight.

NOTE: Torque fulcrum pin nut after adjusting buffer
clearance.

Buffer clearance: 15 mm (0.59 in)
Torque: 108 N·m (80 lb ft)

450R200002

5. Install upper control arm assembly with the fulcrum

pin projections turned inward.

450RS013

Legend

(1) Projection
(2) Outward

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.

Torque: 98 N·m (72 lb ft)

12. Install speed sensor cable.