Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Service manual - part 587

3C–12

FRONT SUSPENSION

8. Remove back plate.
9. Remove lower ball joint by using remover J–29107.

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

901RW042

10. Remove upper ball joint by using remover J–36831.

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

901RW043

11. Remove knuckle assembly.

12. Remove oil seal.
13. Remove washer.

14. Remove needle bearing by using remover J–23907.

901RW044

Inspection and Repair

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

D

Knuckle

D

Knuckle arm

D

Needle bearing

D

Thrust washer

Installation

1. Apply appropriate amount of multipurpose type

grease to the new bearing (Approx. 5 g)and install
needle bearing by using installer J–36838 and
J–8092.

901RW045

FRONT SUSPENSION

3C–13

2. Apply multipurpose type grease to the thrust washer,

and install washer with chamfered side facing
knuckle. 

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–41468 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.

901RW046

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 Replacement in

this section. 

NOTE: Adjust the trim height. Refer to Front End
Alignment Inspection and Adjustment in Steering section.

3C–14

FRONT SUSPENSION

Upper Control Arm

Upper Control Arm and Associated Parts

450RS007

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 Washer and Nut

Removal

1. Raise the vehicle and support the frame with suitable

safety stands.

2. Remove wheel and tire assembly. Refer to Wheel

Replacement 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.

FRONT SUSPENSION

3C–15

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

901RW043

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.

901RW047

901RW048

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