ISUZU KB P190 2007 Workshop Repair Manual

FRONT SUSPENSION 3C-21
5. Remove link nut.
6. Remove upper ball joint by using remover 5-8840- 2017-0.
CAUTION: Be careful not to damage the ball joint
boot.

P1010005
7. Remove upper control arm nut.
8. Remove upper control arm bolt.
9. Remove upper ball joint bolt and nut.
10. Remove upper ball joint.
11. Remove upper control arm assembly.
12. Remove bushing.
Inspection and Repair
Make necessary parts replacement if wear, damage,
corrosion or any other abnormal conditions are found
during inspection.
Check the following parts:
• Upper control arm
• Bushing
Installation
1. Install bushing by using installer 5-8840-0257-0
and 5-8840-2327-0.


P1010062
2. Install upper ball joint and tighten it to the specified
torque.
Torque: 31 N ⋅
⋅⋅
⋅
m (3.2 kgf ⋅
⋅⋅
⋅
m/23 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 (10.0 kgf ⋅
⋅⋅
⋅
m/72 lb ⋅ft)
4. Install upper control arm assembly.
5. Install upper control arm bolt and nut.
NOTE: Apply oil to the thread.
NOTE: Tighten the bolt with the parts in the position
shown in the illustration below.
Buffer clearance: 25.9 mm (1.02 in)
Torque: 137 N ⋅
⋅⋅
⋅
m (14.0 kgf ⋅
⋅⋅
⋅
m/101 lb ⋅ft)




















RTW 53ASH000201
6. Install brake fluid hose nut.
7. Install speed sensor harness nut.

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ISUZU KB P190 2007

3C-22 FRONT SUSPENSION
Lower Control Arm
Lower Control Arm and Associated Parts
RTW 340LF002301
Legend
(1) Cam bolt
(2) Bush
(3) Cam plate
(4) Lower Control Arm Nut
(5) Shock Absorber Nut

(6) Lower Ball Joint Bolt
(7) Lower Ball Joint
(8) Nut and cotter pin
(9) Lower Ball Joint Nut
(10) Link Nut
(11) Shock Absorber Bolt


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.

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ISUZU KB P190 2007

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

3C-24 FRONT SUSPENSION
Upper Ball Joint
Upper Ball Joint and Associated Parts



RTW 340LF001101
Legend
(1) Upper Ball Joint Bolt
(2) Upper Ball Joint

(3) Upper Ball Joint Nut
(4) Nut and Cotter Pin
(5) Link Nut


Removal
1. Raise the vehicle and support the frame with suitable safety stands.
2. Remove wheel and tire assembly. Refer to wheel in this section.
3. Remove link nut.

4. Remove upper ball joint nut and cotter pin, then
use remover 5-8840-2017-0 to remove the uppe
r
ball joint from the knuckle.
CAUTION: Be careful not to damage the ball joint
boot and brake hose.




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FRONT SUSPENSION 3C-25

P1010005
5. Remove upper ball joint bolt and nut.
6. Remove upper ball joint.
Inspection and Repair
Make necessary parts replacement if wear, damage,
corrosion or any other abnormal conditions are found
during inspection.
• Inspect the lower end of the boot for damage o
r
grease leaks. 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.





450R300030
• 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 upper ball joint bolt and nut, and then tighten them to the specified torque.
Torque: 31 N ⋅
⋅⋅
⋅
m (3.2 kgf ⋅
⋅⋅
⋅
m/23 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 (10.0 kgf ⋅
⋅⋅
⋅
m/72 lb ⋅ft)
4. Install link nut, then tighten to the specified torque. Torque: 50 N ⋅
⋅⋅
⋅
m (5.1 kgf ⋅
⋅⋅
⋅
m/37 lb ⋅ft)

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ISUZU KB P190 2007

3C-26 FRONT SUSPENSION
Lower Ball Joint
Lower Ball Joint and Associated Parts




RTW 340LF002201
Legend
(1) Lower Ball Joint
(2) Nut and Cotter Pin

(3) Lower Ball Joint Nut
(4) Link Nut
(5) Lower Ball Joint Bolt


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 link nut.
4. Support lower control arm with a jack.
5. Remove lower ball joint nut and cotter pin, then
use remover 5-8840-2017-0 to remove the lowe
r
ball joint from the knuckle.


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ISUZU KB P190 2007

FRONT SUSPENSION 3C-27
CAUTION: Be careful not to damage the ball joint
boot.


P1010003
6. Remove lower ball joint nut.
7. Remove lower ball joint bolt.
8. Remove lower ball joint.
Inspection and Repair
Make necessary parts replacement if wear, damage,
corrosion or any other abnormal condition is found
during inspection.
• Inspect the lower end of the boot for damage o
r
grease leaks. 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.






450RS026
• After moving the ball joint 4 or 5 times, attach nut
then measure the preload.
Starting torque: 2.5-6.4 N ⋅
⋅⋅
⋅
m (0.26-0.65 kgf ⋅
⋅⋅
⋅
m/1.9-
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)
5. Install link nut, then tighten to the specified torque. Torque: 50 N ⋅
⋅⋅
⋅
m (5.1 kgf ⋅
⋅⋅
⋅
m/37 lb ⋅ft)

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ISUZU KB P190 2007

3C-28 FRONT SUSPENSION
Bump Rubber
Bump Rubber and Associated Parts
RTW 340LF002601
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 the necessary adjustments or parts replacement
if wear, damage, corrosion or any other abnormal
condition is found during inspection.
Check the following parts:
• Bump Rubber
Installation
1. Install bump rubber.
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-29
Special Tools (4×
××
×
2 Except High Ride Suspension)

ILLUSTRATION PART NO.
PART NAME


5-8840-2842-0
(J-45400)
Spring compressor; Strut

5-8840-0003-0
(J-3289-20)
Base

5-8840-2017-0
(J-35707)
Ball joint remover

5-8840-0257-0
(J-29756)
Installer; Upper and
lower arm bushing

5-8840-2327-0
(J-39792)
Installer; Upper and
lower arm bushing





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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