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Removing and installing camshaft oil seal, type A — AUDI

Removing and installing camshaft oil seal, type A on Audi: 12 steps, engines CDBA, CDCA, CNEA, CNFA. What to remove, in what order, and what to check.

Workshop procedure for AUDI — the exact step sequence and torque figures, straight from real workshop data.

12 steps 6 engine codes

🧭 Before you start

Fits: platform codes S1, 2H

Don't miss

  • The oil seal sealing lip must not be additionally oiled or greased.

🔧 Engine codes this applies to

📋 Procedure

  1. If fitted, remove rear toothed belt guard .
  2. Remove camshaft sprocket and hub .
  3. Insert thrust piece3240/1 into camshaft.
  4. Screw inner part of oil seal extractor3240 two turns (approx. 3 mm) out of outer part and lock using knurled screw.
  5. Lubricate threaded head of oil seal extractor, place it in position and, exerting firm pressure, screw it into oil seal as far as possible.
CDBA? Steps differ between engine variants — check this job against your exact car before you commit to it. Check my car — free →
  1. Loosen knurled screw and turn inner part against camshaft until oil seal is pulled out. [Note: The oil seal sealing lip must not be additionally oiled or greased.]
  2. Remove oil residues from crankshaft journal with a clean cloth.
  3. Fit guide sleeve of fitting tool10 - 203 onto camshaft as shown in illustration.
  4. Carefully slide camshaft oil seal (1) over guide sleeve onto camshaft.
  5. Press in camshaft oil seal (1) with thrust piece of fitting tool10 - 203 and M12 × 1.5 x 65 bolt as far as stop.
  6. If removed beforehand, reinstall rear toothed belt guard .
  7. Install camshaft sprocket and hub .

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.

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Workshop data on this page last updated 20 Sep 2026.