Renewing sealing flange (pulley end): Audi A3 (CEPA, CEPB)

🧭 Before you start

Fits: Audi A3 (8P, 2003–2012)

• Special tools named: T03004
• Renewed: sealing flange

Don't miss

• Renew sealing flange.
• Risk of eye injury.Wear safety goggles. — Use e.g. rotating plastic brush to remove sealant residue on cylinder block.
• Do not additionally oil or grease sealing lip of oil seal in sealing flange.
• Note the use-by date of the sealant.
• Cut off nozzle of tube at front marking (nozzle ∅ approx. 2 mm).

🔧 Engine codes this applies to

📋 Procedure

1. Remove vibration damper .
2. Remove bolts (1) and (2).
3. Release hose clips (arrows) and remove air pipe.
4. Remove bolts (arrows).
5. Carefully release sealing flange from bonded joint. [Note: Renew sealing flange.]

6. ⚠ Risk of eye injury.Wear safety goggles. — Use e.g. rotating plastic brush to remove sealant residue on cylinder block.
7. Clean sealing surfaces and crankshaft journal; they must be free of oil and grease. [Note: Do not additionally oil or grease sealing lip of oil seal in sealing flange.]
8. ⚠ Risk of damage to oil seal in sealing flange.To make sure sealing lip of oil seal is folded over when installing, the following procedures must be performed. — Open out sealing lip of oil seal in sealing flange using assembly sleeve T03004 as shown in illustration.
9. Detach assembly sleeve T03004 after a short while, turn over and insert in oil seal again. [Note: Note the use-by date of the sealant.]
10. Cut off nozzle of tube at front marking (nozzle ∅ approx. 2 mm).
11. ⚠ Make sure lubrication system is not clogged by excess sealant.The bead of sealant must not be thicker than specified. — Apply bead of sealant (A) onto clean sealing surface of sealing flange as shown in illustration. [Note: The sealing flange must be installed within 5 minutes after applying the sealant.]
12. Use assembly sleeve T03004 to carefully fit sealing flange onto crankshaft journal and press onto cylinder block evenly (note centring collar on left and right).
13. Tighten sealing flange .
14. Install air pipe .
15. Install vibration damper .

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