Removing and installing rear sealing flange: Audi A4 B6/B7 (AKF, ALZ)

🧭 Before you start

Fits: Audi A4 B6/B7 (8E)

Don't miss

• Place a cloth over the exposed section of the sump.
• Clean sealing surfaces; they must be free of oil and grease.
• Cut off tube nozzle at front marking (nozzle approx. 2 mm ∅).
• The sealing flange must be installed within 5 minutes after applying sealant.

🔧 Engine codes this applies to

📋 Procedure

1. Remove dual-mass flywheel .
2. Detach intermediate plate at sealing flange and dowel sleeves (arrows).
3. Remove bolts (1 ... 8).
4. Pull off sealing flange (rear). [Note: Place a cloth over the exposed section of the sump.]
5. Carefully remove any sealant residue on the cylinder block and sump.

6. Clean sealing surfaces; they must be free of oil and grease.
7. Cut off tube nozzle at front marking (nozzle approx. 2 mm ∅).
8. Apply a thin bead of sealant at the edge of the joint between the cylinder block and the sump (arrows).
9. Coat the lower sealing surface on the sealing flange lightly with sealant (hatched area). [Note: The sealing flange must be installed within 5 minutes after applying sealant.]
10. Carefully push sealing flange (2) together with guide sleeve (1) (fitted on replacement part) onto crankshaft when installing.
11. Push the sealing flange carefully onto the dowel sleeves on the cylinder block.
12. Tighten bolts in the specified sequence:
13. Tighten bolts (1 ... 6).
14. Tighten bolts (7) and (8).
15. Fit intermediate plate to sealing flange and push onto dowel sleeves (arrows).
16. Install dual-mass flywheel .

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