Needle bearing for spur gear 2, replacing: Removing

WARNING: This page is about a different car, the 2005 Audi A4, 2004 Audi A4, 2003 Audi A4, and 2002 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

Remove center differential → Center differential, removing and installing .

Fig 1: Unbolting Rear Flanged Shaft

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Unbolt rear output flange/driveshaft while securing output flange/driveshaft against turning.

Fig 2: Identifying Tension Nut, Guide Plate And Shim

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Pull tension nut - A - out of spur gear shaft.
Remove bolts (arrows).
Remove guide plate - B - and shim - C -.
Remove securing ring for securing grooved ball bearing in center differential housing

Fig 3: Needle Bearing For Spur Gear -2, Removing (As Shown)

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Attach support - A - at internal extractor - B - as shown and insert spur gear shaft - 2 -.

A - Support, e.g. 22/1 Kukko

B- extractor, e.g. 21/2 Kukko

Support retainer - A - using thrust plate VW402 and pre-tension at nut - 1 - of retainer.
Pull out spur gear and carefully remove upward.
Remove needle bearing securing ring.

Fig 4: Needle Bearing For Spur Gear 2, Replacing

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NOTE:

The upper part of the illustration shows how the pulling hooks of extractor - B - must be inserted into needle bearing.

Slide centering sleeve - 2 - of extractor - B - approx. 4 mm into direction of arrow in order to be able to open pulling hooks of extractor far enough.

A - Support, e.g. 22/1 Kukko

B- extractor, e.g. 21/2 Kukko

Fig 5: Needle Bearing For Spur Gear 2, Replacing

Courtesy of VOLKSWAGEN UNITED STATES, INC.

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 thrust plate VW402 and pre-tension at nut - 3 - of retainer.
Using hot air blower, e.g. VAG141, quickly heat up outside of transfer housing in vicinity of needle bearing seat to approx. 80 to 100 ° C.

CAUTION: Wear protective gloves!

Quickly pull out needle bearing.