Renewing oil seal for output flange for propshaft: Audi A8 D2

🧭 Before you start

Fits: Audi A8 D2 (4D)

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• Before removing propshaft, mark position of constant velocity joint of propshaft in relation to output flange at transfer box to facilitate re-installation.

📋 Procedure

1. Remove front exhaust pipes (left and right) with catalytic converters 26.
2. Remove front exhaust pipe (left-side) with catalytic converter 26.
3. Remove heat shield for propshaft from cover for Torsen differential (arrows). [Note: Before removing propshaft, mark position of constant velocity joint of propshaft in relation to output flange at transfer box to facilitate re-installation.]
4. Detach propshaft from transfer box and place on heat shield.
5. Drain off gear oil from transfer box .

6. Unbolt output flange (use drift to prevent output flange from turning).
7. Pull out output flange.
8. Pry out oil seal using screwdriver.
9. Clean seat of oil seal.
10. Lightly lubricate outer circumference of new oil seal with gear oil.
11. Use thrust piece3402 to drive home oil seal.
12. Secure output flange for propshaft.
13. Secure propshaft to transfer box .
14. Fill up transfer box with gear oil and check .
15. Install front exhaust pipes (left and right) with catalytic converters 26.
16. Install front exhaust pipe (left-side) with catalytic converter 26.

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