Removing and installing oil reservoir - vehicles with dual clutch gearbox 0BZ — AUDI
Removing and installing oil reservoir - vehicles with dual clutch gearbox 0BZ on Audi: 11 steps, engines BUJ, BYH, CMPA, CNDA.
Workshop procedure for AUDI — the exact step sequence and torque figures, straight from real workshop data.
🧭 Before you start
Fits: platform code 42
- Opens: engine oil
- Renewed: damaged hoses, o-rings
Don't miss
- Disregard (items 2, 3).
- Check that crankcase breather hoses are undamaged and securely fitted and renew damaged hoses.Fit new O-rings.
📐 1 workshop diagram for BUJ
Real factory drawings for this job — timing marks, bolt locations and routing. Locked in the free view.
📋 Procedure
- Remove rear noise insulation 66.
- Drain engine oil from oil reservoir 420.
- Remove bolts (2, 3) and pull pipe/hose assemblies (1, 4) out of oil reservoir.
- ⚠ Take care to keep components clean.There will still be some oil in the pipe/hose assembly. — Seal off open lines and connections with clean plugs from engine bung setVAS 6122.
- Remove air cleaner housing (left and right) .
- Press release tabs and disconnect crankcase breather hoses (1, 4). [Note: Disregard (items 2, 3).]
- Seal off open lines and connections with clean plugs from engine bung setVAS 6122.
- Remove bolts (arrows).
- Remove oil reservoir and unplug electrical connector (1). [Note: Check that crankcase breather hoses are undamaged and securely fitted and renew damaged hoses.Fit new O-rings.]
- Install air cleaner housing .
- Fill up with engine oil and check oil level 420.
Ask TorqFix about your Audi BUJ — 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 Audi BUJ — free → or sign up free to see the drawingsOther AUDI 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.