A/T - Final Drive Housing Leaks
9226vw01
Group: 39
Number: 92-01
Date: February 29, 1992
Subject:
Automatic transmission 089
Final drive assembly, sealing
Model(s):
Quantum all model years
When repairing a leaking final drive housing assembly on the 089 transmission, the following revised parts need to be installed. The revised parts are identified with an asterisk (*).
1 Front cover
^ coat sealing surface with Part No. AMV 188 200 03
^ sealing hole, Fig. 6
2 O-ring*
^ always replace
^ color coded: green
3 Pinion shaft seal*
^ removing, Fig. 3
^ installing, Fig. 4
^ with double lip around bead for pinion shaft, Fig. 2
4 Bolt with collar*
^ 30 N-m (22 ft.lb) plus additional 1/8 turn (45~)
^ use correct bolt only
5 Sleeve*
^ replace previously used pins
^ installation depth, Fig. 7
6 0-ring*
^ for oil channel
^ always replace
^ color coded: green
7 0-ring*
^ always replace
^ color coded: green
8 Final drive housing
^ coat sealing surface and chamfered edge for pinion shaft cover with Part No. AMV 188 200 03, Fig. 5
9 Pinion shaft*
^ with bead for double-lip seal, Fig. 1
Fig. 1 Revised pinion shaft, identifying
A = revised pinion shaft with bead (arrow) for double-lip seal
B = previous pinion shaft without bead
Fig. 2 Revised pinion shaft seal, identifying
A = revised seal with double-lip (arrows) for revised pinion shaft
B = previous pinion shaft seal without double lip
Fig. 3 Pinion shaft seal, removing
Fig. 4 Pinion shaft seal, installing
- drive seal in fully
^ closed side of seal faces tool
Fig. 5 Final drive housing/rear cover, installing
- coat sealing surface of rear cover and fill chamfer of housing (arrow) with Part No. AMV 188 200 03
Fig. 6 Final drive housing/front cover, installing
When repairing the final drive, seal hole (arrow 1) in front cover with plug (arrow 2), Part No. 019 301 115
Fig. 7 Front cover sleeve, installing
- drive in sleeve up to dimension a = 12 mm (0.47 in.)