Opel Frontera UBS. Service manual — part 998
4A2B–8
DIFFERENTIAL (REAR 244mm)
7. Remove the parking brake cable mounting
bolts(Behind the back plate)(1).
311RS001
8. Remove the bearing holder mounting nuts.
9. Remove axle shaft assembly.
NOTE: Be sure not to damage the oil seal.
10. Remove snap ring.
11. Using a bearing remover 5–8840–2295–0 and press,
remove retainer together with the bearing holder.
420RY00012
12. Remove bearing.
13. Remove bearing holder.
14. Remove back plate.
15. Remove the wheel pins using a remover
5–8840–0029–0.
420RY00011
Inspection and Repair
Make necessary correction or parts replacement if wear,
corrosion or any other abnormal conditions are found
through inspection.
Visual Check:
Check the following parts for wear, damage, noise or any
other abnormal conditions:
1. Axle shaft
2. Bearing
When checking the axle shaft, pay special attention to the
splined portions and replace the shaft if distortion or step
wear is noticeable. Correct slight step wear with a grinder.
420RS008
DIFFERENTIAL (REAR 244mm)
4A2B–9
Axle Shaft Run–out
Limit: 1.0 mm (0.039 in)
420RS009
Axle Shaft Flange Run–out
Limit: 0.08 mm (0.003 in)
420RS010
Oil Seal Replacement
Remove the oil seal carefully not to damage the bearing
holder bore .
When installing, use oil seal installer 5–8840–2310–0.
420RY00009
Installation
1. Install wheel pin.
2. Install back plate.
3. Install bearing holder.
4. Install bearing.
5. Install retainer by using a bearing installer
5–8840–2296–0, press fit together with the bearing.
420RY00010
4A2B–10
DIFFERENTIAL (REAR 244mm)
6. Install snap ring.
7. Install axle shaft assembly.
NOTE: Be sure not to damage the oil seal.
8. Tighten the bearing holder mounting nut to the
specified torque.
Torque: 74N·m (54 Ib ft)
9. Fix the parking brake cable mounting bolt (Behind the
back plate).
10. Install parking brake assembly, refer to Parking
Brakes in Brake section.
11. Install antilock brake system sensor.
12. Install brake disc.
13. Install brake caliper, refer to Disk Brakes in Brake
section.
Pinion Oil Seal
Pinion Oil Seal and Associated Parts
425RY00010
Legend
(1) Flange Nut and Washer
(2) Flange
(3) Oil Seal
(4) Outer Bearing
(5) Collapsible Spacer
Removal
1. Remove the rear propeller shaft. Refer to Rear
Propeller Shaft in this section.
2. Drain the rear axle oil.
DIFFERENTIAL (REAR 244mm) 4A2B–11
3. Remove flange nut and washer by using pinion flange
holder 5–8840–0133–0 after raising up its staked
parts completely.
415RW040
4. Remove flange.
5. Remove oil seal.
6. Remove outer bearing by using remover
5–8840–2323–0.
425RY00003
7. Remove collapsible spacer.
Inspection and Repair
Make necessary correction or parts replacement if wear,
damage, corrosion or any other abnormal conditions are
found through inspection.
Check the following parts:
1. Seal surface of the pinion.
2. Cage bore for burns.
Installation
1. Install collapsible spacer, discard the used collapsible
spacer and install a new one.
2. Install outer bearing.
NOTE: Do not drive in, but just temporarily set in the outer
bearing by hand, which should be indirectly pressed in
finally by tightening the flange nut.
3. By using the seal installer 5–8840–2165–0, install a
new oil seal (1) that has grease on seal lip.
425RW050
4. Install flange.
5. Install flange nut and washer. Refer to Differential
Assembly in this section for flange nut reassembly.
NOTE: Discard the used nut and install a new one.
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