2007 ISUZU KB P190 ABS

REAR SUSPENSION 3D-1
SECTION 3D
REAR SUSPENSION
TABLE OF CONTENTS
PAGE
Main Data and Specifications ........................................................................................... 3D- 2 Torque Specifications .................................................................................................. 3D- 3
Rear Suspension ............................................................................................................... 3 D- 5
General Description...................................................................................................... 3D- 5
Leaf Spring and Shock Absorber ..................................................................................... 3D- 6 Leaf Spring and Associated Parts ............................................................................... 3D- 6
Removal ........................................................................................................................ .3D- 7
Inspection and Repair .................................................................................................. 3D- 8
Installation ................................................................................................................... .. 3D- 9
Leaf Spring Assembly ....................................................................................................... 3D- 11
Disassembly .................................................................................................................. 3D - 11
Inspection and Repair .................................................................................................. 3D- 11
Reassembly ................................................................................................................... 3D - 12
Rear Stabilizer Bar ............................................................................................................ 3D- 13
Stabilizer Bar and Associated Parts ........................................................................... 3D- 13
Removal ........................................................................................................................ . 3D- 14
Installation ................................................................................................................... .. 3D- 14
Troubleshooting ................................................................................................................ 3D- 15


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ISUZU KB P190 2007

3D-2 REAR SUSPENSION
MAIN DATA AND SPECIFICATIONS
General Specifications Models Standard Suspension, Soft ride Suspension Heavy-duty
Suspension
Items 4
× 2
(Except High Ride Suspension)
4 × 2 (High Ride Suspension)
4 × 4 4
× 2
Type
Leaf rigid

Leaf spring

No. of leaves
5
7
Spring eye type Berlin eye type
Up turned eye type
Bushing outside dia mm(in) Front; 40 (1.57), Rear; 30 (1.18)
Length mm(in) 1,200 (47.24)
Width mm(in) 60 (2.36)

Rear shock absorbers

Type
Gas-sealed, Twin tube
Mean stroke
mm(in)
198 (7.80) 199 (7.83) 198 (7.80)
Compressed length mm(in)
323 (12.7) 349 (13.7) 323 (12.7)
Extended length mm(in) 521 (20.5) 549 (21.6) 521 (20.5)

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ISUZU KB P190 2007

REAR SUSPENSION 3D-5
REAR SUSPENSION
GENERAL DESCRIPTION

Rear suspension absorbs vibration from the road surface thus preventing vehicle damage, as well as providing a
comfortable ride.

Components parts
• Spring between the body and the axle case
• Spring shackle connecting the spring to the body
• Clamp and U-bolt fixing the axle case to the spring
• Shock absorber as a countermeasure for vibration


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ISUZU KB P190 2007

3D-6 REAR SUSPENSION
LEAF SPRING AND SHOCK ABSORBER
LEAF SPRING AND ASSOCIATED PARTS

460R300001

Legend
1. Parking Brake Cable Bracket
2. Nut and W asher
3. Nut and W asher
4. Shock Absorber
5. Nut
6. U Bolt and Seat
7. Lower Clamp
8. Nut
9. Shackle Plate


10. Shackle Pin
11. Rubber Bushing
12. Nut and Plain W asher
13. Spring Pin
14. Leaf Spring
15. Bump Rubber




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ISUZU KB P190 2007

REAR SUSPENSION 3D-7
F03L100003

Removal
• Jack up the rear axle and place chassis stands under the
frame near the front end of the rear spring brackets.
Note:
• Be careful not to stretch the flexible brake hose o
r
parking brake cable.
• Support the vehicle on the specified jack point.
1. Remove the parking brake cable from the leaf spring.
2. Loosen the shock absorber fixing nut and remove the nut and special washer from the lower clamp.


3. Remove the shock absorber fixing nut and washer at frame
side.
4. Lifting the rear axle using a jack, remove the shock
absorber and lower the jack.
5. Remove the U bolt fixing nut.
6. Take out the U bolt, seat and lower clamp.
7. Support the leaf spring using a jack and remove the shackle pin fixing nuts.
8. Drive out the shackle pin, using a brass bar and hammer.
9. Remove the shackle plate and rubber bushings.
10. Remove the nut and drive out the shackle using a brass bar and hammer.
11. Remove the leaf spring.
12. Remove the bump rubber.



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ISUZU KB P190 2007

3D-8 REAR SUSPENSION
INSPECTION AND REPAIR
Make correction or replace parts if wear, damage or abnormal conditions are found through inspection.





Visual Check
Inspect the following parts for wear, damage, nuts or other
abnormal conditions.
• Leaf spring assembly
• Clip
• Center bolt
• U-bolt
• Spring pin
• Shackle pin
• Shock absorber
• Rubber bumper
• Rubber bushing
• Bump rubber seat



Shackle Pin
Shackle Pin diameter mm (in)
17.93 - 18.00 (0.706 - 0.709)



Spring Pin
Spring Pin Diameter mm (in)
13.8 - 14.0 (0.543 - 0.551)



Shock Absorber
Inspection operation of shock absorber
If no resistance is felt while expanding the shock absorber, it
indicates that the absorber is faulty.



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ISUZU KB P190 2007

REAR SUSPENSION 3D-9
Installation
1. Install the bump rubber and bolt and tighten it to thespecified torque.
Torque N ⋅m (kgf ⋅m/lb ⋅ft)
42 (4.3/31)
2. Install the leaf spring. • The leaf spring assembly should be installed so that the
built-in rubber bush is toward the front.
• Align the holes of the spring eye and frame bracket.
• Insert the spring pin toward vehicle inner side, through
the frame bracket holes and the spring bush hole.
• Tighten the nut a little and, after the vehicle is lowered,
tighten it to the specified torque.
Torque N ⋅m (kgf ⋅m/lb ⋅ft)
152 (15.5/112)





RTW 340LF000101





RTW 63DSH000101
• Apply rubber grease to inside and outside of the rubber
bushing.
• Install the rubber bushings into the hole in the frame
side bracket and the spring rear eye.
• Install the shackle pin and shackle plate.
• Tighten the nuts a little and, after vehicle is lowered,
tighten it to the specified torque.
Torque N ⋅m (kgf ⋅m/lb ⋅ft)
98 (10.0/72)
3. Support the lower clamp under the leaf spring.
4. Apply oil to the thread portion of U bolt.
Install the U bolt (1) and seat (2) on the rear axle and insert
the U bolt in the lower clamp holes.
Tolerance of assembling the seat
A
90° ±2°
5. Tighten the nut to the specified torque.
NOTE: Apply oil to the thread.
Torque N⋅m (kgf ⋅m/lb ⋅ft)
78 (8.0/58)
6. Install the shock absorber and inner washer on the lower clamp pin and frame side pin.
7. Install the washer and nut on the frame side pin and tighten the nut to the specified torque.
Torque N ⋅m (kgf ⋅m/lb ⋅ft)
39 (4.0/29)
8. Install the washer and nut on the lower clamp pin and tighten the nut to the specified torque.
Torque N ⋅m (kgf ⋅m/lb ⋅ft)
39 (4.0/29)

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ISUZU KB P190 2007

REAR SUSPENSION 3D-15
TROUBLESHOOTING
1. BODY INCLINATION
Checkpoint Problem Countermeasure

ReplaceBushings worn or
disintegrated
NG
Mounting brackets
Shock absorbers
ReplaceDefective
Spring brackets and U-bolts
Shackle pins and bushings
Replace
Retighten
Replace
Cracked
Bolt loosened
W orn or disintegrated
Regrease
Replace
Poorly lubricated
W eak or broken
OK
OK
OK NG
NG
NG
NG
NG
NG
OKSpring



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ISUZU KB P190 2007