Isuzu Trooper (1998-2002 year). Manual - part 163

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)

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