Page 361 of 6020
3C-40 FRONT SUSPENSION
Upper Control Arm
Upper Control Arm and Associated Parts
RTW 440LF001301
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) Upper Control Arm Nut
(10) Speed Sensor harness
(11) Nut and Cotter Pin
(12) Upper Ball Joint, Bolt and Nut
Removal
1. Raise the vehicle and support the frame with suitable safety stands.
2. Remove wheel and tire assembly. Refer to W heel
in this section.
3. Remove the brake caliper and disconnect brake pipe. Refer to Disc Brakes in Brake section.
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ISUZU KB P190 2007
Page 362 of 6020
FRONT SUSPENSION 3C-41
4. Support lower control arm with a harness.
5. Remove speed sensor harness.
6. Remove nut and cotter pin then remove knuckle using remover 5-8840-2121-0.
CAUTION: Be careful not to damage the ball joint
boot.
RTW 340SH000401
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 upper control arm nut.
14. Remove plate.
15. Remove bushing by using remover 5-8840-0256-0.
RTW 340SH000501
RTW 340SH000601
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:
• Upper control arm
• Bushing
• Fulcrum pin
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ISUZU KB P190 2007
Page 363 of 6020

3C-42 FRONT SUSPENSION
Installation
1. Install fulcrum pin.
2. Install bushing by using installer 5-8840-0256-0 and 5-8840-2307-0.
RTW 340SH000701
RTW 340SH000801
3. Install upper ball joint and tighten it to the specified
torque.
Torque: 57 N ⋅
⋅⋅
⋅
m (5.8 kgf ⋅
⋅⋅
⋅
m/42 lb ⋅
⋅⋅
⋅
ft)
4. 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 (10.0 kgf ⋅
⋅⋅
⋅
m/72 lb ⋅
⋅⋅
⋅
ft)
5. Install plate.
6. Install upper control arm nut and tighten fulcrum
pin nut finger-tight.
NOTE: Apply oil to the thread.
NOTE: Tighten the nut with the parts in the position
shown in the illustration below.
Buffer clearance: 29.7 mm (1.17 in)
Torque: 108 N ⋅
⋅⋅
⋅
m (11.0 kgf ⋅
⋅⋅
⋅
m/80 lb ⋅
⋅⋅
⋅
ft)
RTW 53ASH000301
7. Install upper control arm assembly with the fulcrum
pin projections turned inward.
RTW 53CSH000101-X
8. Install the caster shims (b) between the chassis
frame and fulcrum pin.
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ISUZU KB P190 2007
Page 364 of 6020
FRONT SUSPENSION 3C-43
9. Install the camber shims (a) between the chassis
frame and fulcrum pin.
RTW 53CSH000201
10. Install nut assembly.
11. Install bolt and plate (a), and then tighten the bolt to the specified torque.
Torque: 152 N ⋅
⋅⋅
⋅
m (15.5 kgf ⋅
⋅⋅
⋅
m/112 lb ⋅
⋅⋅
⋅
ft)
NOTE: Apply oil to the thread.
12. Install speed sensor harness.
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ISUZU KB P190 2007
Page 365 of 6020
3C-44 FRONT SUSPENSION
Lower Control Arm
Lower Control Arm and Associated Parts
RTW 33CLF000201
Legend
(1) Cam Bolt
(2) Bush, Front
(3) Cam Plate and Nut
(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 and Nut
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ISUZU KB P190 2007
Page 366 of 6020

FRONT SUSPENSION 3C-45
Removal
1. Raise the vehicle and support the frame with
suitable safety stands.
2. Remove wheel and tire assembly. Refer to W heel 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. Refer to
Front Hub and Disc in Driveline/Axle section.
5. Support lower control arm with a jack.
6. Remove cam plate and 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 cam 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 5-8840- 2123-0.
Front
901RW 154
Front
901RW 155
19. Remove rear bushing by using remover 5-8840-
2124-0.
Front
901RW 051
Front
901RW 052
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ISUZU KB P190 2007
Page 367 of 6020

3C-46 FRONT SUSPENSION
Inspection and Repair
Make necessary correction or replace parts if wear,
damage, corrosion or any other abnormal condition is
found through inspection.
Check the following parts:
• Lower control arm
• Bushing
Installation
1. Install rear bushing by using installer 5-8840-2124-
0.
Front
901RW 053
2. Install front bushing by using installer 5-8840-
2123-0.
Front
901RW 156
3. Install lower ball joint bolt.
4. Install torsion bar arm bolt.
5. Install lower control arm.
6. Install rear bolt.
7. Install cam bolt so the hole and projection are upward.
8. Install lower ball joint and tighten it to the specified torque.
Torque: 127 N ⋅
⋅⋅
⋅
m (13.0 kgf ⋅
⋅⋅
⋅
m/94 lb ⋅
⋅⋅
⋅
ft)
9. Install shock absorber and tighten it to the specified torque.
Torque: 93 N ⋅
⋅⋅
⋅
m (9.5 kgf ⋅
⋅⋅
⋅
m/69 lb ⋅
⋅⋅
⋅
ft)
10. Install stabilizer link and tighten it to the specified torque.
Torque: 50 N ⋅
⋅⋅
⋅
m (5.1 kgf ⋅
⋅⋅
⋅
m/37 lb ⋅
⋅⋅
⋅
ft)
11. Install torsion bar arm bracket and tighten it to the specified torque.
Torque: 116 N ⋅
⋅⋅
⋅
m (11.8 kgf ⋅
⋅⋅
⋅
m/85 lb ⋅
⋅⋅
⋅
ft)
12. Install Torsion bar; refer to Torsion Bar in this section.
13. Install rear nut and tighten nut finger-tight.
NOTE: Apply oil to the thread.
NOTE: Tighten the nut or bolt with the parts in the
position shown in the illustration below.
Buffer clearance: 29.7 mm (1.17 in)
Torque: 235 N ⋅
⋅⋅
⋅
m (24.0 kgf ⋅
⋅⋅
⋅
m/174 lb ⋅
⋅⋅
⋅
ft)
RTW 53ASH000301
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ISUZU KB P190 2007
Page 368 of 6020
FRONT SUSPENSION 3C-47
14. Install cam plate and nut then tighten lower link nut
finger-tight.
NOTE: Apply oil to the thread.
NOTE: Tighten the nut or bolt with the parts in the
position shown in the illustration below.
Buffer clearance: 29.7 mm (1.17 in)
Torque: 186 N ⋅
⋅⋅
⋅
m (19.0 kgf ⋅
⋅⋅
⋅
m/137 lb ⋅
⋅⋅
⋅
ft)
NOTE: Adjust the trim height. Refer to Front End
Alignment Inspection and Adjustment in Steering
section.
RTW 53ASH000301
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ISUZU KB P190 2007