Opel Frontera UBS. Manual - part 988

4A2A–6 DIFFERENTIAL (REAR 220mm)

11. Install the lateral rod fixing nut to the axle housing.

12. Install the stabilizer linkage mounting nut to the axle

housing.

13. Install the shock absorber fixing nut to the axle

housing.

14. Install brake tube flare nut, Refer to Disk Brakes in

Brake section.

15. Install ABS connector and bracket (ABS model only).
16. Connect breather hose.
17. Install parking brake cable, Refer to Parking Brakes in

Brake section.

18. Bleed brakes. Refer to Hydraulic Brakes in Brake

section.

Axle Shaft

Axle Shaft and Associated Parts

420RY00005

Legend

(1) Brake Caliper
(2) Brake Disc
(3) Wheel Pin
(4) Axle Shaft Assembly
(5) Back Plate
(6) Parking Brake Assembly

(7) Bearing Holder
(8) Bearing
(9) Retainer

(10) Snap Ring

(11) Bolt

(12) Nut
(13) Antilock Brake System (ABS) Speed Sensor

Removal

1. Raise the vehicle.
2. Remove tires and wheels. Refer to Wheel in Steering

section.

3. Remove brake caliper. Use a wire to attach the brake

caliper to the frame. Refer to Disk Brakes in Brake
section.

4. Remove brake disc.
5. Remove ABS sensor.
6. Remove Parking brake assembly. Refer to Parking

Brakes in Brake section.

DIFFERENTIAL (REAR 220mm)

4A2A–7

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

4A2A–8 DIFFERENTIAL (REAR 220mm)

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

DIFFERENTIAL (REAR 220mm)

4A2A–9

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

425RW054

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.