Renewing oil seal for torque converter: Audi A8 D3 / A6 C6

🧭 Before you start

Fits: Audi A8 D3 (4E, 2002–2010), Audi A6 C6 (4F, 2004–2011)

📋 Procedure

1. Secure gearbox to assembly stand .
2. Remove bolts (arrows) on mounting bracket for flange shaft (left-side).
3. ⚠ While pulling out the flange shaft (left-side), it must be held centrally to avoid damaging the oil seal between the final drive and the gearbox housing. — Pull flange shaft (A) (left-side) out of gearbox, making sure that shaft remains centered in opening at differential (arrow).
4. Remove torque converter.
5. Pry out oil seal for torque converter using oil seal extractor leverVW 681.

6. Lightly lubricate outer circumference and sealing lips of oil seal with ATF.
7. Drive in torque converter oil seal with thrust piece T10137 until thrust piece reaches stop.
8. Cover splines on flange shaft (left-side) (arrow) with insulating tape to prevent damage to oil seal between final drive and gearbox housing when inserting flange shaft. Take care to cover the splines completely, without creasing or overlapping the tape.
9. Clean flange shaft (left-side) and oil seal between final drive and gearbox housing.
10. Pack space between sealing lips of oil seal (arrow) half-full with sealing greaseG 052 128 A1.
11. ⚠ While inserting the flange shaft (left-side), it must be held centrally to avoid damaging the oil seal between the final drive and the gearbox housing. — Insert flange shaft (A) into gearbox, guiding shaft centrally into oil seal between final drive and gearbox housing (arrow).
12. Tighten bolts (arrows) on mounting bracket for flange shaft (left-side).

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