Renewing oil seal for Hall sender and sealing cap on cylinder head (left-side) — AUDI

🧭 Before you start

Fits: Audi A6 C5 (4B)

• Also covered elsewhere: Electronic parts catalogue

Don't miss

• Check direction of rotation of oil seal before fitting.
• When engine is removed, bearing cap can remain installed when renewing oil seal and sealing cap. Procedure .

🔧 Engine codes this applies to

📐 20 workshop diagrams for AJK

Real factory drawings for this job — timing marks, bolt locations and routing. Locked in the free view.

📋 Procedure

1. Remove cylinder head cover (left-side) .
2. Remove Hall sender and rotor for Hall sender .
3. Remove bolts (arrows) and detach double bearing cap.
4. Take out oil seal and sealing cap.
5. Clean running/sealing surfaces and contact surfaces of double bearing cap.

6. Apply a small quantity of sealant to (hatched) contact area of double bearing cap; for sealant refer to Electronic parts catalogue.
7. Check direction of rotation of oil seal before fitting.
8. Position oil seal and install double bearing cap.
9. Use assembly lever to press in sealing cap. [Note: When engine is removed, bearing cap can remain installed when renewing oil seal and sealing cap. Procedure .]
10. Install rotor for Hall sender , washer and Hall sender .
11. Install cylinder head cover (left-side) .

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