2004 ISUZU TF SERIES wheel

3C-32 FRONT SUSPENSION

Stabilizer Bar
Stabilizer Bar and Associated Parts


RTW340MF000401
Legend

(1)
Rubber Bushing

(2)
Bracket and Bolt
(3) Link



(4)
Nut
(5) Stabilizer Bar
(6) Nut

Removal
1. Raise the vehicle and support the frame with
suitable safety stands.
2. Remove the stone guard.
3. Remove wheel and tire assembly. Refer to Wheel
Replacement in this section.
4. Remove nut (4) and (6).
CAUTION: Be careful not to break the ball joint
boot.
5. Remove link.
6. Remove bracket.
7. Remove stabilizer bar.
8. Remove rubber bushing.

Inspection and Repair
Make necessary correction or parts replacement if
wear, damage, corrosion or any other abnormal
condition are found through inspection.
Check the following parts :


Stabilizer bar


Rubber bushing


Link ball joint

FRONT SUSPENSION 3C-37

Knuckle
Knuckle and Associated Parts


RTW340LF001301
Legend
(1) Torsion Bar
(2 )Lower Ball Joint, Nut and Cotter Pin
(3) Back Plate
(4) Knuckle Assembly
(5) Knuckle


(6) Needle Bearing (44 Model Only)
(7) Thrust Washer (44 Model Only)
(8) Oil Seal (4
4 Model Only)
(9) Upper Ball Joint, Nut and Cotter Pin
(10) Speed Sensor harness


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 the brake caliper. Refer to Disc Brakes in
Brake section.

3C-40 FRONT SUSPENSION

Upper Control Arm
Upper Control Arm and Associated Parts


RTW440LF001301
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)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 Wheel
in this section.
3. Remove the brake caliper and disconnect brake
pipe. Refer to Disc Brakes in Brake section.

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 Wheel
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
901RW154



Front
901RW155
19. Remove rear bushing by using remover 5-8840-
2124-0.


Front
901RW051




Front
901RW052

3C-50 FRONT SUSPENSION

Lower Ball Joint
Lower Ball Joint and Associated Parts


RTW340LF001601
Legend

(1)
Bolt

(2)
Lower Ball Joint


(3) 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 Wheel
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.

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

Checkpoint Trouble Cause 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.


Worn or incorrectl
y adjusted wheel
bearing.
Replace; refer to Section 4C "Front
Wheel Drive"


Insufficientl
y tightened steeringgear housing.


Wear of steering linkage.


Excessive backlash due to
improper ad
justment of the steeringgear box.

Worn column bearing weakened
column bearing spring, or loose
clamp.
Replace; refer to Section 3B
"Steering"


Improper tire pressure.

Imbalance and deformation of frond
wheel.


Unevenl
y worn tire or insufficient
tightening of wheel nuts.
Replace; refer to Section 3E "Wheel
and Tires"

FRONT SUSPENSION 3C-55
2. VEHICLE PULLS TO RIGHT OR LEFT

Checkpoint Trouble Cause Countermeasure



Steering linkage, and upper
and lower link


Rubber bushing for upper and
lower link


Wheel alignment


Vehicle trim height


Replace


Replace


Adjust


Adjust


Deformed


Worn


Incorrect


Incorrect


Brake adjustment (binding)

Adjust


Replace


Incorrect

Collapsed or break (4

2
Except high ride suspension)
Collapsed or twisted (4

4, 4

2
High ride suspension)
Continued on the next pageOK OK OK OK
NG NG NG NG NG NG
OK OK Coil spring (4
2 Except high
ride suspension)
Torsion bar (4

4, 4

2 High
ride suspension)

Front wheel bearing

Adjust or replace

Incorrect adjustment or
abrasion
NG

3C-56 FRONT SUSPENSION
Checkpoint Trouble Cause Countermeasure



Tire tread (right and left)

Replace (tire)

Difference in wear and tear


Adjust or tighten

Improper or instufficient
tightening

NG NG
OK
Tire pressure or wheel nuts
Continued from the previous page