Ring Gear Differential Bearings

Fig. 1 Differential bearing/Inner race, removing




Fig. 2 Differential bearings/inner race, installing
- heat to approx. 100°C (212°F) and press on




Fig. 3 Ring gear, removing
Note
Ring gear is riveted to differential housing
- drill half way through rivets with 6 mm (1/4 in.) drill bit
- drill off rivet heads with 12 mm (15/32 in.) drill bit and drive out

CAUTION
Protect differential bearings from metal chips. Clean differential housing after drilling.




Fig. 4 Ring gear, removing
- matched with pinion




Fig. 5 Ring gear, Installing
- install two guide studs A
A bolts from repair set 171 498 088 A
- heat ring gear to approx. 100°C (212°F) and press on




Fig. 6 Ring gear, installing
- tighten nuts to 70 Nm (52 ft lb)




Fig. 7 Pinion/Side gears, installing
- insert thrust washers (lubricate with transmission oil) and pinion gears into differential housing
- install shaft and circlips
- insert side gears (arrow), offset 180° and position by turning




Fig. 8 Drive flange shaft circlip, determining thickness
- press drive flange shaft against pinion gear shaft
- press side gear against housing and insert thickest circlip possible. Circlip must not jam; otherwise use thinner circlip.

Circlips available
Thickness (mm) Part No.
2.0 020 409 299
2.3 020 409 299 A




Fig. 9 Differential bearing/outer race, removing




Fig. 10 Differential bearing/outer race, installing




Fig. 11 Differential bearing/outer race, removing




Fig. 12 Differential bearing/outer race, installing