Renewing oil seal for flange shaft (rear): Audi A6 C6

🧭 Before you start

Fits: Audi A6 C6 (4F, 2004–2011)

• Special tools named: T10136, T10136/1

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• The circlip locates the flange shaft on the bearing in the housing.
• Hold the flange shaft (A) with one hand to prevent it from falling through.
• To do so, place a metal bar (A) or similar underneath to prevent damage to housing.
• The peg in the middle of the tool is centered and faces upwards in the housing. It serves as a guide and stop for the thrust piece T10136/1.
• The peg of the thrust plate of fitting tool T10136 serves as a guide from below and also as a stop for the thrust piece T10136/1.

📋 Procedure

1. Remove centre differential housing .
2. Remove circlip (arrow) on inner side of cover. [Note: The circlip locates the flange shaft on the bearing in the housing.]
3. Press flange shaft out of centre differential housing using press toolVW 409. [Note: Hold the flange shaft (A) with one hand to prevent it from falling through.]
4. Remove oil seal. [Note: To do so, place a metal bar (A) or similar underneath to prevent damage to housing.] [Note: A special two-piece fitting tool T10136 is used for installing oil seal.]
5. Place centre differential housing (A) on thrust plate of fitting tool T10136. [Note: The peg in the middle of the tool is centered and faces upwards in the housing. It serves as a guide and stop for the thrust piece T10136/1.]

6. Lightly lubricate outer circumference of oil seal with gear oil.
7. Push new oil seal onto thrust piece T10136/1.
8. Insert thrust piece T10136/1 with oil seal into housing from above. [Note: The peg of the thrust plate of fitting tool T10136 serves as a guide from below and also as a stop for the thrust piece T10136/1.]
9. Drive in new oil seal onto stop (take care to keep oil seal straight).
10. Pack space between sealing lip and dust lip half-full with sealing greaseG 052 128 A1.
11. Press in flange shaft using press toolVW 409 and thrust plateVW 447 i. [Note: Only insert flange shaft as far as necessary to install circlip.]
12. Install circlip (arrow) in groove of flange shaft on inner side of cover.
13. Install centre differential housing .
14. Fill up gear oil in gearbox after repairs .

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