Front suspension ISUZU KB P190 2007 Workshop Manual PDF

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

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

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

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

3C-48 FRONT SUSPENSION
Upper Ball Joint
Upper Ball Joint and Associated Parts



RTW 440LF001401
Legend
(1) Bolt and Nut
(2) Upper Ball Joint


(3) Nut and Cotter Pin


Removal
1. Raise the vehicle and support the frame with suitable safety stands.
2. Remove the speed sensor from the knuckle.
3. Remove upper ball joint nut and cotter pin, then use remover 5-8840-2121-0 to remove the uppe
r
ball joint from the knuckle.


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ISUZU KB P190 2007

FRONT SUSPENSION 3C-49
CAUTION: Be careful not to damage the ball joint
boot.



RTW 340SH000401
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 new one.






450RS023

• After moving the ball joint 4 or 5 times, attach nut,
then measure the preload.
Starting torque: 1.3-3.2 N ⋅
⋅⋅
⋅
m (0.13-0.33 kgf ⋅
⋅⋅
⋅
m/0.9-
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, and then tighten them to the specified torque.
Torque: 57 N ⋅
⋅⋅
⋅
m (5.8 kgf ⋅
⋅⋅
⋅
m/42 lb ⋅
⋅⋅
⋅
ft)
3. Install nut and cotter pin, and then tighten the nut to the specified torque with just enough additional
torque to align cotter pin holes. Install new cotte
r
pin.
Torque: 98 N ⋅
⋅⋅
⋅
m (10.0 kgf ⋅
⋅⋅
⋅
m/72 lb ⋅
⋅⋅
⋅
ft)

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ISUZU KB P190 2007

3C-50 FRONT SUSPENSION
Lower Ball Joint
Lower Ball Joint and Associated Parts



RTW 340LF001601
Legend
(1) Lower Ball Joint Bolt
(2) Lower Ball Joint


(3) Lower Ball Joint Nut
(4) Nut and Cotter Pin


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 lower ball joint nut and cotter pin, then use remover 5-8840-2005-0 to remove the lowe
r
ball joint from the knuckle.


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ISUZU KB P190 2007

FRONT SUSPENSION 3C-51
CAUTION: Be careful not to damage the ball joint
boot.





901RW 271
7. Remove lower ball joint nut.
8. Remove lower ball joint bolt.
9. Remove lower ball joint.
Inspection and Repair
Make necessary parts replacement if wear, damage,
corrosion or any other abnormal condition is 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.





450RS026
• After moving the ball joint 4 or 5 times, attach nut
then measure the preload.
Starting torque: 2.5-6.4 N ⋅
⋅⋅
⋅
m (0.25-0.65 kgf ⋅
⋅⋅
⋅
m/1.8-
4.7 lb ⋅
⋅⋅
⋅
ft)







450RS024
• If the above limits specified are exceeded, replace
the ball joint assembly.
Installation
1. Install lower ball joint.
2. Install lower ball joint bolt.
3. Install lower ball joint nut and tighten it to the specified torque.
Torque: 127 N ⋅
⋅⋅
⋅
m (13.0 kgf ⋅
⋅⋅
⋅
m/94 lb ⋅
⋅⋅
⋅
ft)
4. Install ball joint nut, then tighten it to the specified torque with just enough additional torque to align
cotter pin holes. Install new cotter pin.
Torque: 147 N ⋅
⋅⋅
⋅
m (15.0 kgf ⋅
⋅⋅
⋅
m/108 lb ⋅
⋅⋅
⋅
ft)

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ISUZU KB P190 2007

3C-52 FRONT SUSPENSION
Bump Rubber
Bump Rubber and Associated Parts






RTW 63CMF000101
Legend
(1) Bolt
(2) Bump Rubber




Removal
1. Raise the vehicle and support the frame with suitable safety stands.
2. Remove bolt.
3. Remove bump rubber.
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:
• Bump Rubber

Installation
1. Install bump rubber.
NOTE: Arrow points to the outer side of vehicle afte
r
assembly to vehicle.
2. Install bolt, then tighten it to the specified torque. Torque: 42 N ⋅
⋅⋅
⋅
m (4.3 kgf ⋅
⋅⋅
⋅
m/31 lb ⋅
⋅⋅
⋅
ft)


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ISUZU KB P190 2007

FRONT SUSPENSION 3C-53
Special Tools (4×
××
×
2 High Ride Suspension, 4 ×
××
×
4)

ILLUSTRATION PART NO.
PART NAME
ILLUSTRATION PART NO.
PART NAME
5-8840-2000-0
(J-5822)
Remover; Needle bearing 5-8840-0019-0 (J-23907)
Sliding hammer
(4×4 Model Only)
5-8840-2123-0
(J-36833)
Remover and Installer kit; Lower arm front bushing
5-8840-2128-0
(J-36838)
Installer; Needle bearing (4×4 Model Only)
5-8840-2124-0
(J-36834)
Remover and Installer kit; Lower arm rear bushing
5-8840-0007-0
(J-8092)
Grip
(4×4 Model Only)
5-8840-2121-0
(J-21677-2)
Ball joint remover

5-8840-2851-0
Installer; Oil seal
(4×4 Model Only)
5-8840-2005-0
(J-29107)
Tie-rod end remover
5-8840-2307-0
(J-39376)
Installer; Upper arm bushing

5-8840-0256-0
(J-29755)
Remover and Installer Upper arm bushing



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ISUZU KB P190 2007