Opel Frontera UBS. Service 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.
425RW046
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.
415RW031
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.
425RW057
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.
425RW056
12. Remove collapsible spacer.
13. Remove the inner bearing using a separator
5–8840–2197–0 and a press.
415RW039
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.
415RW025
2. Using installer 5–8840–2163–0 and grip
5–8840–0007–0, install Inner bearing outer race.
415RW026
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)
415RW037
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
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