stop AUDI A4 1998 B5 / 1.G 01V Transmission Center Differential Service Workshop Manual

39-48


9 -
Spur gear 1
For rear gear setIf damaged, only replace together with spur
gear 2 -Item 17 - Always replace To remove and install, pull out of center
differential housing toward rear together
with -item 7 - and -item 8 -
10 -
Snap ring
11 -
Needle bearing For spur gear 1Only remove for replacementTo insert, heat up transfer gear housing to
approx. 100 C and drive out needle
bearing toward rear using drift (Warning!
Wear protective gloves) Drive in to stop using 3021 protractor
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11/20/2002 htt
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39-64

Installing
Installation is reverse of removal, noting the
following:

Tightening torques - Drive O-ring in to stop using 3402 pressure piece.
- Secure output flange with socket-head bolt.
- Bolt driveshaft to transmission flange page 39
-79
, Driveshaft,
removing and installing.
- Fill transfer housing with gear oil and check oil level page 39
-40
.
Component
Nm
Socket-head bolt for rear drive flange 25
Heat shield for driveshaft to transmission 23
Pa
ge 20 of 29 Center differential, servicin
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11/20/2002 htt
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pair&id=AUDI.B5.AT01.39.4

39-66

Removing

- Remove center differential page 39
-56
.

- Remove intermediate flange for front final
drive.

Installing
Installation is reverse of removal, noting the following: - Drive seal (arrow) out in direction of transfer gear using mandrel.
- Check seal seat in transmission housing for damage; rework if
necessary.

Note:
If installing the intermediate flange to the output shaft carelessly, the
sealing lip of the seal can be damaged. - Slide seal onto 3404 thrust piece so that the larger and projecting outer
ring (arrow) of seal faces tool.
- Drive in seal up to 3404 thrust piece stop.
- Install center differential page 39
-58
.
Pa
ge 22 of 29 Center differential, servicin
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pair&id=AUDI.B5.AT01.39.4

39-68

WARNING!

Do not reinstall spur gears that have fallen to
the ground. The transmission must be
replaced in this case.

- Drive out seal using drift.

Installing
Installation is reverse of removal, noting the
following:

- Slide seal onto 3403 thrust piece.
- Drive seal in up to 3403 thrust piece stop.
Pa
ge 24 of 29 Center differential, servicin
g
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.AT01.39.4

39-72

Installing
Installation is the reverse of removal. Also carry
out the following procedure.

- Check needle bearing seat in transfer housing
for damage, rework if necessary.

- Using commercially available hot air blower,
uniformly heat up outside of transfer housing in
vicinity of needle bearing seat to approx. 100 C.
WARNING!

Wear protective gloves!

- Place 2080A sleeve onto new needle bearing -1-.
- Drive needle bearing into transfer housing up to stop using VW408A
punch.
Pa
ge 29 of 29 Center differential, servicin
g
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.AT01.39.4