Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross. Manual — part 1729
FRONT SUSPENSION
3C–17
6. Remove front nut.
7. Remove rear nut.
8. Remove torsion bar, refer to Torsion Bar in this
section.
9. Remove torsion bar arm bracket.
10. Disconnect the stabilizer link at the lower control
arm.
11. Remove the shock absorber lower end from the
lower control arm.
12. Remove the lower ball joint from the lower control
arm.
13. Remove front bolt.
14. Remove rear bolt.
15. Remove lower control arm.
16. Remove torsion bar arm bolt.
17. Remove lower ball joint bolt.
18. Remove front bushing by using remover J–36833.
901RW154
901RW155
19. Remove rear bushing by using remover J–36834.
901RW051
901RW052
Inspection and Repair
Make necessary correction or parts replacement if wear,
damage, corrosion or any other abnormal condition are
found through inspection.
Check the following parts:
• Lower control arm
• Bushing
3C–18
FRONT SUSPENSION
Installation
1. Install rear bushing by using installer J–36834.
901RW053
2. Install front bushing by using installer J–36833.
901RW156
3. Install lower ball joint bolt.
4. Install torsion bar arm bolt.
5. Install lower control arm.
6. Install rear bolt.
7. Install front bolt.
8. Install lower ball joint and tighten it to the specified
torque.
Torque: 116 N·m (85lb ft)
9. Install shock absorber and tighten it to the specified
torque.
Torque: 93 N·m (69 lb ft)
10. Install stabilizer link and tighten it to the specified
torque.
Torque: 50 N·m (37 lb ft)
11. Install torsion bar arm bracket and tighten it to the
specified torque.
Torque: 116N·m (85lb ft)
12. Install Torsion bar, refer to Torsion Bar in this
section.
13. Install rear nut and tighten lower link nut finger–tight.
NOTE: Torque lower control arm nut after adjusting
buffer clearance.
Buffer clearance: 22 mm (0.87 in)
Torque: 235 N·m (174 lb ft)
450R200009
14. Install front nut then tighten lower link nut
finger-tight.
NOTE: Torque lower control arm nut after adjusting
buffer clearance .
Buffer clearance: 22 mm (0.87 in)
Torque: 186 N·m (137 lb ft)
NOTE: Adjust the trim height. Refer to Front End
Alignment Inspection and Adjustment in Steering
section.
450R200009
FRONT SUSPENSION
3C–19
Upper Ball Joint
Upper Ball Joint and Associated Parts
450R200007
EndOFCallout
Removal
1. Raise the vehicle and support the frame with
suitable safety stands.
2. Remove the speed sensor from the knuckle.
Legend
(1) Bolt and Nut
(2) Upper Ball Joint
(3) Nut and Cotter Pin
3C–20
FRONT SUSPENSION
3. Remove upper ball joint nut and cotter pin, then use
remover J–36831 to remove the upper ball joint
from the knuckle.
CAUTION: Be careful not to damage the ball joint
boot.
901R200022
4. Remove bolt and nut.
5. Remove upper ball joint.
Inspection and Repair
Make necessary parts replacement if wear, damage,
corrosion or any other abnormal conditions are found
through inspection.
• Inspect the lower end boot for damage or grease
leak. Move the ball joint as shown in the figure to
confirm its normal movement.
• Inspect screw/taper area of ball for damage.
• If any defects are found by the above inspections,
replace the ball joint assembly with a new one.
450RS023
• After moving the ball joint 4 or 5 times, attach nut
then measure the preload.
Starting torque: 0.5 –3.2N·m (0.4–2.4 lb ft)
450RS024
If the above limits specified are exceeded, replace the
ball joint assembly.
Installation
1. Install upper ball joint.
2. Install bolt and nut, then tighten them to the
specified torque.
Torque: 57 N·m (42 lb ft)
3. 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)
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