Renewing crankshaft oil seal (belt pulley end) — VW
Renewing crankshaft oil seal (belt pulley end) on VW: 14 steps, 1 torque figure, engines AXX, BPY, BWA, BYD.
Workshop procedure for VW — the exact step sequence and torque figures, straight from real workshop data.
🧭 Before you start
Fits: VW Golf V / Jetta (1K, 2003–2009), VW Passat B6 (3C, 2005–2010); platform code 1F7
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- Contact surface between pulley, diamond-coated washer and crankshaft must be free of oil.The centre bolt must be renewed.Thread and shoulder must be free of oil and grease.
🔩 Torque settings
Values can differ between engine variants — check the code stamped on your block.
| Torque | Fastener / step |
|---|---|
| 90 Nm (66 lb-ft) | Tighten new centre bolt |
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.
📐 57 workshop diagrams for AXX
Real factory drawings for this job — timing marks, bolt locations and routing. Locked in the free view.
📋 Procedure
- Remove poly V-belt .
- Remove toothed belt:
- Remove crankshaft pulley. To do this, lock toothed belt pulley using counterhold3415.
- To guide seal extractor, screw centre bolt into crankshaft to stop by hand.
- Unscrew inner part of oil seal extractor3203 nine turns (approx. 20 mm) out of outer part and lock with knurled screw.
- Lubricate threaded head of oil seal extractor3203, place it in position and, exerting firm pressure, screw it into oil seal as far as possible.
- Loosen knurled screw and turn inner part against crankshaft until the oil seal is pulled out.
- Remove oil residue from crankshaft journal using clean cloth.
- Fit guide sleeve T10053/1 onto crankshaft journal.
- Slide dry oil seal over guide sleeve onto crankshaft journal.
- Press in oil seal using assembly tool T10053 and bolt T10053/2 (M16 x 1.5 x 60) onto stop. [Note: Contact surface between pulley, diamond-coated washer and crankshaft must be free of oil.The centre bolt must be renewed.Thread and shoulder must be free of oil and grease.]
- Fit toothed belt pulley (2) with diamond-coated washer (3) and tighten bolt (1) hand-tight.
- Lock toothed belt pulley using counterhold3415.
- Tighten new centre bolt to 90 Nm and turn 90° (1/4 turn) further (turning further can be done in several stages). — 90 Nm (66 lb-ft)
Ask TorqFix about your VW AXX — it answers with the exact sequence for that engine and the workshop drawing for each step. First question is free after a 20-second sign-up, no card.
Ask about your VW AXX — free → or sign up free to see the drawingsOther VW procedures
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Who makes these pages, and how
TorqFix was built by a mechanic — after a 2,700 km drive with five roadside repairs that no diagnostic tool could explain.
The figures on this page come from manufacturer workshop documentation and are shown as they are. The page is assembled automatically from that data — it is not written by an AI. The AI works in the chat, where it answers for your specific car. It writes nothing here.
Variants of the same model differ. Cross-check torque against the factory manual for your engine before final tightening.
Seen a figure that does not match your manual? Write to us — we correct it and note when. support@torqfix.com
The story behind TorqFix →Workshop data on this page last updated 20 Sep 2026.