Opel Frontera UBS. Manual - part 1938

DIFFERENTIAL (REAR 220mm) 4A2A–13

Disassembled View

415RW035

Legend

(1) Bolt 
(2) Bearing Cap
(3) Side Bearing 
(4) Adjust Shim
(5) Diff Cage Assembly
(6) Side Bearing Outer Race
(7) Pinion Gear
(8) Adjust Shim
(9) Inner Bearing 

(10) Inner Bearing Outer Race

(11) Collapsible Spacer

(12) Differential Carrier
(13) Outer Bearing  Outer Race
(14) Outer Bearing 
(15) Oil Seal
(16) Dust Cover 
(17) Flange
(18) Flange Nut

4A2A–14 DIFFERENTIAL (REAR 220mm)

Disassembly

1. Using holding fixture 5–8840–0275–0 and holding

fixture base 5–8840–0003–0, fix the differential
assembly to the bench.

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2. Remove bearing cap bolt.
3. Apply a setting mark to the side bearing cap and the

differential carrier then remove bearing cap.

425RS009

4. Remove differential cage assembly.
5. Remove side bearing outer race, after removal, keep

the right and left hand side bearing assemblies
separate to maintain inner and outer race
combinations.

6. Remove side bearing, using remover

5–8840–0013/0014–0 and adapter 5–8840–2196–0.

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7. Remove adjust shim, note the thickness and position

of the shims removed.

8. Remove the flange nut using holding wrench

5–8840–2157–0 after raising up its staked parts
completely.

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9. Remove flange.

10. Remove dust cover.

DIFFERENTIAL (REAR 220mm) 4A2A–15

11. Remove the drive pinion assembly using a soft metal

rod and a hammer.

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12. Remove collapsible spacer.
13. Remove the inner bearing using a separator

5–8840–2197–0 and a press.

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14. Remove adjust shim.
15. Remove inner bearing outer race.
16. Remove oil seal.
17. Remove outer bearing.

18. Remove the inner bearing outer race (1) and the outer

bearing outer race (2) by using a brass bar and a
hammer.

425RS014

425RS015

4A2A–16 DIFFERENTIAL (REAR 220mm)

Reassembly

1. Using installer 5–8840–2164–0 and grip

5–8840–0007–0, install outer bearing outer race.

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2. Using installer 5–8840–2163–0 and grip

5–8840–0007–0, install Inner bearing outer race.

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3. Install adjust shim and adjust drive pinion mounting

distance
1. Apply gear oil to the inner and outer drive pinion

bearing.
Clean the pinion setting gauge set.
Then install the gauge set together with the inner
and outer bearings.

2. Tighten the nut to the specified torque.

Torque: 2.3 N·m (0.23kg·m/20 lb in)

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Legend

(1) Front Pilot: 5–8840–2085–0
(2) Rear Pilot: 5–8840–0129–0
(3) Gauge Plate: 5–8840–2166–0
(4) Bolt and Nut: 5–8840–0127–0

3. Clean the side bearing bores. Install the dial

indicator with the discs and arbor. Install and
tighten the bearing caps to the specified torque.

Torque: 108 N·m (11.0kg·m/80 lb ft)

415RW038

Legend

(1) Dial Indicator: 5–8840–0126–0
(2) Disc (2 pcs.): 5–8840–2167–0
(3) Arbor: 5–8840–0128–0
(4) Gauge Plate: 5–8840–2166–0