Renewing crankshaft oil seal -flywheel end-: Audi 2.8 TDI (AGK, ATA, AUH, BCQ)

🧭 Before you start

Fits: platform code 2DA

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• To counterhold engine, position special wrench3447 on vibration damper bolts.
• Bush must be renewed after pulling off.

🔧 Engine codes this applies to

🔩 Torque settings

Values can differ between engine variants — check the code stamped on your block.

ℹ️ Always cross-check the exact figure against your vehicle's factory manual before final tightening — a wrong torque can damage the engine. These values are extracted from workshop data and may not cover every variant or revision.

📋 Procedure

1. Remove gearbox: 34
2. Remove vibration damper dust cap.
3. To counterhold engine, position special wrench3447 on vibration damper bolts.
4. Remove thrust plate and drive plate 30
5. Remove dual mass flywheel.

6. Carefully pull bush (1) from crankshaft using water pump pliers. [Note: Bush must be renewed after pulling off.]
7. Pry old oil seal out from flywheel housing using the oil seal extractor leverVW 681.
8. Screw guide sleeve3446/1 for assembly tool3446 onto crankshaft.
9. Lightly oil sealing lip of new oil seal.
10. Slide new oil seal onto press tool3446/2 and drive flush into flywheel housing.
11. Remove assembly tool3446.
12. Position a new crankshaft bush, with wide front end facing crankshaft, onto crankshaft and drive flush onto crankshaft using a plastic hammer.
13. To counterhold engine, position special wrench3447 on vibration damper bolts.
14. Position dual mass flywheel onto crankshaft and tighten fastening bolts. Torque setting: 125 Nm. — 125 Nm (92 lb-ft)
15. Install thrust plate and drive plate: 30
16. Remove special wrench3447.
17. Tighten vibration damper dust cap. Torque setting: 10 Nm. — 10 Nm (7.4 lb-ft)
18. Install gearbox: 34

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