2007 ISUZU KB P190 ABS

FRONT SUSPENSION 3C-23
4. Support lower control arm with a jack.
5. Remove the link nut.
6. Remove the nut and cotter pin.
7. Remove the shock absorber lower end from the lower control arm.
8. Remove the lower ball joint from the lower control arm.
9. Remove lower control arm nut and cam plate.
10. Remove cam bolt.
11. Remove lower control arm.
12. Remove bushing.
Inspection and Repair
Make the necessary adjustments or parts replacement
if wear, damage, corrosion or any other abnormal
condition is found during inspection.
Check the following parts:
• Lower control arm
• Bushing
Installation
1. Install rear bushing by using installer 5-8840-
0257-0 and 5-8840-2327-0.


P1010063
2. Install lower control arm.
3. Install cam bolt.
4. Install lower ball joint and tighten it to the specified torque.
Torque: 127 N ⋅
⋅⋅
⋅
m (13.0 kgf ⋅
⋅⋅
⋅
m/94 lb ⋅ft)
5. Install shock absorber and tighten it to the specified torque.
NOTE: Apply oil to the thread.
NOTE: Tighten the lower control arm nut with the parts
in the position shown in the illustration below.

Torque: 137 N ⋅
⋅⋅
⋅
m (14.0 kgf ⋅
⋅⋅
⋅
m/101 lb ⋅ft)






RTW 53ASH000201
6. Install stabilizer link and tighten it to the specified
torque.
Torque: 50 N ⋅
⋅⋅
⋅
m (5.1 kgf ⋅
⋅⋅
⋅
m/37 lb ⋅
⋅⋅
⋅
ft)
7. Install lower control arm nut and cam plate and tighten lower link nut finger-tight.
NOTE: Apply oil to the thread.
NOTE: Tighten the lower control arm nut with the parts
in the position shown in the illustration below.
Buffer clearance: 25.9 mm (1.02 in)
Torque: 186 N ⋅
⋅⋅
⋅
m (19.0 kgf ⋅
⋅⋅
⋅
m/137 lb ⋅
⋅⋅
⋅
ft)






















RTW 53ASH000201
8. 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: 147 N ⋅
⋅⋅
⋅
m (15.0 kgf ⋅
⋅⋅
⋅
m/108 lb ⋅ft)

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ISUZU KB P190 2007

SECTION 3C
FRONT SUSPENSION
(4 ×
××
×
2 High Ride Suspension, 4 ×
××
×
4)
TABLE OF CONTENTS

Shock Absorber .................................................. 3C - 31 Shock Absorber and Associated Parts............ 3C - 31
Removal .......................................................... 3C - 31
Inspection and Repair ..................................... 3C - 31
Installation ....................................................... 3C - 31
Stabilizer Bar ...................................................... 3C - 32 Stabilizer Bar and Associated Parts ................ 3C - 32
Removal .......................................................... 3C - 32
Inspection and Repair ..................................... 3C - 32
Installation ....................................................... 3C - 33
Torsion Bar ......................................................... 3C - 34 Torsion Bar and Associated Parts................... 3C - 34
Removal .......................................................... 3C - 34
Inspection and Repair ..................................... 3C - 35
Installation ....................................................... 3C - 35
Knuckle............................................................... 3C - 37 Knuckle and Associated Parts ........................ 3C - 37
Removal .......................................................... 3C - 37
Inspection and Repair ..................................... 3C - 39
Installation ....................................................... 3C - 39
Upper Control Arm ............................................. 3C - 40 Upper Control Arm and Associated Parts ....... 3C - 40
Removal .......................................................... 3C - 40

Installation ....................................................... 3C - 42
Lower Control Arm ............................................. 3C - 44 Lower Control Arm and Associated Parts ....... 3C - 44
Removal .......................................................... 3C - 45
Inspection and Repair ..................................... 3C - 46
Installation ....................................................... 3C - 46
Upper Ball Joint .................................................. 3C - 48 Upper Ball Joint and Associated Parts ............ 3C - 48
Removal .......................................................... 3C - 48
Inspection and Repair ..................................... 3C - 49
Installation ....................................................... 3C - 49
Lower Ball Joint .................................................. 3C - 50 Lower Ball Joint and Associated Parts ............ 3C - 50
Removal .......................................................... 3C - 50
Inspection and Repair ..................................... 3C - 51
Installation ....................................................... 3C - 51
Bump Rubber ..................................................... 3C - 52 Bump Rubber and Associated Parts ............... 3C - 52
Removal .......................................................... 3C - 52
Inspection and Repair ..................................... 3C - 52
Installation ....................................................... 3C - 52
Special Tools ..................................................... 3C - 53


Ins
pec tion and Repair ..................................... 3C - 41
Service Precaution ................................ ............ 3C - 30

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ISUZU KB P190 2007

FRONT SUSPENSION 3C-31
Shock Absorber
Shock Absorber and Associated Parts
RTW 340MF000901
Legend
(1) Shock Absorber Nut
(2) Rubber Bushing and W asher

(3) Shock Absorber Bolt and Nut
(4) Shock Absorber
(5) Rubber Bushing and W asher


Removal
1. Raise the vehicle and support it with suitable safety stands.
2. Remove wheel and tire assembly. Refer to W heel Replacement in this section.
3. Remove bolt and nut.
4. Remove nut.
5. Remove rubber bushing and washer.
6. Remove shock absorber.
7. Remove rubber bushing and washer.
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:
• Shock absorber
• Rubber bushing
Installation
1. Install rubber bushing and washer.
2. Install shock absorber.
3. Install rubber bushing and washer.
4. Install shock absorber nut, then tighten it to the specified torque.
Torque: 20 N ⋅
⋅⋅
⋅
m (2.0 kgf ⋅
⋅⋅
⋅
m/14 lb ⋅
⋅⋅
⋅
ft)
5. Install shock absorber bolt and nut, and then tighten to the specified torque.
Torque: 93 N ⋅
⋅⋅
⋅
m (9.5 kgf ⋅
⋅⋅
⋅
m/69 lb ⋅
⋅⋅
⋅
ft)

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ISUZU KB P190 2007

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

3C-54 FRONT SUSPENSION
TROUBLESHOOTING
1. VIBRATION, SHOCK, AND SHIMMY OF STEERING WHEEL
Checkpoint Problem Countermeasure



Check front axle


Check wheel alignment


Check suspension ball joint


Check shock absorber or
attaching nut and bolt


Replace


Adjust


Replace


Replace or retighten


Check steering unit and
linkage


Faulty


Worn


Malfunction or loose


Check upper and lower link
bushings
Replace


Adjust


Worn


Incorrect

OK
OK
OK
NG
NG
NG
NG
NG
NG
OK
OK
Check vehicle trim height



• Improperly adjusted or worn front
wheel bearing.
• W orn or incorrectly adjusted wheel
bearing.
Replace; refer to Section 4C "Front
Wheel Drive"

• Insufficiently tightened steering
gear housing.
• W ear of steering linkage.
• Excessive backlash due to
improper adjustment of the steering
gear box.
• W orn column bearing, weakened
column bearing spring, or loose
clamp.
Replace; refer to Section 3B
"Steering"
• Improper tire pressure.
• Imbalance and deformation of frond
wheel.
• Unevenly worn tire or insufficient
tightening of wheel nuts.
Replace; refer to Section 3E "Wheel
and Tires"



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ISUZU KB P190 2007

FRONT SUSPENSION 3C-59
5. NOISES
Checkpoint Problem Countermeasure



Lubricating oil and grease for
upper and lower ball joint


Shock absorber


Stabilizer fixing nuts and bolts


Upper and lower links
bushings


Replace


Replace


Retighten


Replace


Insufficient


Faulty


Loose


Worn


Shock absorber fixing nut and
bolt

Retighten

Loose

Continued on the next page OK
OK
OK
OK
NG
NG
NG
NG
NG
OK

Upper and lower ball joint

Replace

Damaged

NG



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ISUZU KB P190 2007