ISUZU TROOPER 1998 Service Repair Manual

4C±15 DRIVE SHAFT SYSTEM
3. Remove bolt.
Before removal, shift transfer lever into ª2Hº position,
set free wheeling hub knob into ªFREEº position (1),
and run the vehicle about 50m (160 ft).
411RW010
4. Remove cover assembly.
5. Remove snap ring and shim.
6. Remove body assembly.
7. Remove lock washer and lock screw.
8. Remove hub nut by using wrench 5±8840±2117±0.
411RW005
9. Remove hub and disc assembly.
10. Remove ABS sensor ring (If equipped).
11. Remove outer bearing outer race.
12. Remove oil seal.13. Remove inner bearing outer race.
14. While pushing follower knob against cover, turn clutch
assembly clockwise and then remove clutch
assembly from knob.
411RW011
15. Remove gasket.
16. Remove snap ring.
17. Remove knob.
18. Remove compression spring.
19. Remove follower.
20. Remove retaining spring from clutch assembly by
turning it counterclockwise.
411RW012
21. Remove dedent ball and spring.
22. Remove X±ring.
23. Remove snap ring.
24. Remove inner assembly.
25. Remove snap ring.
26. Remove ring.
27. Remove spacer.

4C±16
DRIVE SHAFT SYSTEM
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.

Hub

Hub bearing, oil seal

Knuckle spindle

Disc

Caliper

Free wheeling hub parts (Clutch, knob, follower,
inner, ring and spring)

ABS sensor ring (if so equipped)
For inspection and servicing of disc caliper, and relative
parts, refer to Brakes section.
Reassembly
1. Install spacer.
Apply about 1 g wheel bearing grease to both face of
spacer.
2. Install ring.
Apply about 3 g wheel bearing grease to inside face
of ring.
3. Install snap ring
Assembly with grease surplus being left unwiped up
as illustrated.
411RW013
Legend
(1) Inner Assembly
(2) Apply Grease
(3) Body
4. Install inner assembly.
Apply grease to splined portion of body.
5. Install snap ring.6. Install X±ring.
Apply wheel bearing grease to hub lock ring and fit it
in knob paying attention to mounting direction.
NOTE: After fitting, make sure that the hub lock ring is not
twisted.
7. Apply wheel bearing grease to ball and spring and fit
them in knob.
8. Install knob.
1. Apply grease to outer circumference of knob and
inner circumference of cover.
2. Align detent ball (1) to a groove cut in the cover.
411RW014
9. Install snap ring.
Turn the smoother face to knob side.
10. Align the end of retaining spring (1) with clutch spring
groove (2) and fit in the spring.
411RW015

4C±17 DRIVE SHAFT SYSTEM
11. Install follower to clutch so that follower nails (large)
(1) will come closer to the bent portion of retaining
spring by aligning follower stopper nail with outer
teeth of clutch. Then, fit in with follower's nails (small)
(2) caught in spring.
411RW016
12. Install compression ring.
Turn the smaller diameter side toward follower and fit
spring in clutch.
13. Align follower nail (1) to handle groove (2). and then
assemble clutch with knob by pushing and turning
clutch counterclockwise to knob.
411RW017
14. Install gasket.
Make sure that there is no breakage, etc.
15. Install outer bearing outer race by driving it into the
hub, by using installer 5±8522±2118±0 and grip
5±8840±0007±0.
411RW007
16. Install inner bearing outer race by driving it into the
hub, by using installer 5±8840±2119±0 and grip
5±8840±0007±0.
411RW006

4C±18
DRIVE SHAFT SYSTEM
17. Install oil seal by using installer 5±8840±2120±0 and
grip 5±8840±0007±0.
Apply grease (NLGI No.2 or equivalent) to the lip
portion.
411RW008
18. Install ABS sensor ring (if so equipped).
Tighten the bolts to the specified torque.
Torque: 18 N´m (1.8 kg´m/13 lb ft)
19. Install hub and disc assembly.
1. Apply grease in the hub.
2. Apply wheel bearing type grease NLGI No.2 or
equivalent to the outer and inner bearing.
Grease Amount
Hub: 35 g (1.23 oz)
Outer bearing: 10 g (0.35 oz)
Inner bearing: 15 g (0.53 oz)
20. Install hub nut.
1. Turn the place where there is a chamfer in the
tapped hole to the outer side, and attach the nut
by using wrench 5±8840±2117±0.
411RW005
Preload Adjustment
Tighten the hub nut to 29 N´m (3.0 kg´m/22 lb´ft),
then fully loosen the nut.
Tighten the hub nut to the value given below, using
a spring scale on the wheel pin.
Bearing Preload
New bearing and New oil seal:
20-25N (2-2.5 kg/4.4-5.5 lb)
Used bearing and New oil seal:
12-18N (1.2-1.8 kg/2.6-4.0 lb)
If the measured bearing preload is outside the
specifications, adjust it by loosening or tightening
the bearing nut.
411RS011

4C±19 DRIVE SHAFT SYSTEM
21. Install lock washer and lock screw in the following
manner.

Turn the side with larger diameter of the tapered
bore to the vehicle outer side, and attach the
washer.

If the bolt holes in the lock plate are not aligned with
the corresponding holes in the nut, reverse the lock
plate.

If the bolt holes are still out of alignment, trun in the
nut just enough to obtain alignment.

Screw is to be fastened tightly so its head may
come lower than the surface of the washer.
411RS012
22. Install body assembly.

Apply adhesive (LOCTITE 515 or equivalent) to
both joining faces.

Tighten the bolts to the specified torque.
Torque: 59 N´m (6.0 kg´m/43 lb ft)
23. Install snap ring and shim.
Adjust the clearance between the free wheeling hub
body and the snap ring.
Clearance:
0-0.3mm (0-0.012in)
Shims Available:
0.2mm, 0.3mm, 0.5mm, 1.0mm, (0.008in, 0.012in,
0.020in, 0.039in)
411RW002
24. Install cover assembly.
Align stopper nails (1) to grooves of body (2).
411RW019
25. Tighten the cover bolts to the specified torque.
Torque: 12 N´m (1.2 kg´m/104 lb in)

4C±20
DRIVE SHAFT SYSTEM
Main Data and Specifications
Torque Specifications
E04RW022

4C±21 DRIVE SHAFT SYSTEM
Special Tools
ILLUSTRATIONTOOL NO.
TOOL NAME
5±8840±2117±0
(J±36827)
Wrench; Hub nut
5±8840±2119±0
(J±36829)
Installer; Inner bearing
5±8840±2118±0
(J±36828)
Installer; Outer bearing
5±8840±2120±0
(J±36830)
Installer; Oil seal
5±8840±0007±0
(J±8092)
Grip

4C±22
DRIVE SHAFT SYSTEM
Front Drive Shaft Joint
Front Drive Shaft Joints Replace-
ment

Refer to Front Drive Axle Assembly Replacement in
this section, and refer to Front Hub and Disc in
Suspension section.
Front Hub Bearing Preload Check
Check the hub bearing preload at the wheel pin.
New bearing and New oil seal
Preload: 20 ± 25 N (2.0 ± 2.5 kg/4.4±5.5 lb)
New bearing and New oil seal
Preload: 12 ±18 N (1.2 ± 1.8 kg/2.6±4.0 lb)
411RS001
Inspection Of Shift On The Fly System
Gear Oil
412RT002
1. Open filler plug and make sure that the oil is up to the
plug port.
If the level oil is low, replenish with gear oil GL±5
grade.
2. Tighten the filler plug to specified torque.
Torque: 7.8 N´m (7.9 kg´cm/58 lb in)

4C±23 DRIVE SHAFT SYSTEM
Front Axle Drive Shaft
Front Axle Drive Shaft and Associated Parts
This illustration is based on the model equipped with shift on the fly system.
412RW003
Legend
(1) Axle Case and Differential
(2) DOJ Case Assembly
(3) Snap Ring
(4) Bearing
(5) Snap Ring
(6) Oil Seal
(7) Bracket
(8) DOJ Case
(9) Circlip
(10) Bolt
(11) Drive Shaft Joint Assembly
(12) Snap Ring(13) Spacer
(14) Ball
(15) Snap Ring
(16) Ball Retainer
(17) Ball Guide
(18) Band
(19) Bellows
(20) Band
(21) Band
(22) Bellows
(23) Band
(24) BJ Shaft
(25) Dust Seal

4C±24
DRIVE SHAFT SYSTEM
Disassembly
NOTE: For the left side, follow the same steps as right
side.
1. Raise the hooked end of the band (1) with a
screwdriver or equivalent.
412RS009
2. Remove band.
3. Pry off circlip (1) with a screwdriver or equivalent.
412RS010
4. Remove drive shaft joint assembly.
5. Using snap ring pliers, remove the snap ring.
412RS011
6. Remove spacer.
7. Remove the six balls (1) with a screwdriver or
equivalent.
412RS012