2001 AUDI A6 differential

Note:
If installing the intermediate flange on the output shaft carelessly, the
sealing lips of the seal can be damaged. - Completely cover splines on end of shaft (arrow) with insulating tape
without creasing or overlapping the tape, to prevent damage to seal
when sliding on drive pinion.
- Install drive pinion on center of output shaft. (Installed position page
39
-53
)
Pa
ge 25 of 29 Center differential, servicin
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11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
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e=re
pair&id=AUDI.B5.AT01.39.4

39-69


Needle bearing for spur gear 2, replacing

Special tools and equipment

VW402 thrust plate
VW408A punch
Press sleeve for 2080A sleeve
Item 1 Kukko 21/4 extractor
Item 3 Kukko 22/1 support
VAG1416 hot air blower
Pa
ge 26 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

39-70

Removing

- Remove center differential page 39
-56
.

Note:

The upper part of the illustration shows how the pulling hooks of extractor
-B- must be inserted into needle bearing -1-.
- Slide centering sleeve -2- of extractor -B- approx. 4 mm in direction of
arrow in order to be able to open pulling hooks of extractor far enough.
A - Support e.g. Kukko 22/1
Pa
ge 27 of 29 Center differential, servicin
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11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
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39-71


WARNING!
Wear protective gloves! - Spread extractor -B- into upper lip of needle bearing -1- and secure
extractor at nut.
- Install retainer -A- on extractor -B- as illustrated.
- Support retainer -A- using VW402 thrust plate and pre-tension at nut 3
of retainer.
- Using commercially available hot air blower, quickly heat up outside of
transfer housing in vicinity of needle bearing seat to approx. 100 C. - Quickly pull out needle bearing.
Pa
ge 28 of 29 Center differential, servicin
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11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
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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