Removing and installing oil reservoir - vehicles with manual gearbox/R tronic gearbox 086 — AUDI
Removing and installing oil reservoir - vehicles with manual gearbox/R tronic gearbox 086 on Audi: 15 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: o-rings
Don't miss
- Disregard (item 1).
- Disregard items marked (2, 3) and (arrows).
- Bolt (2) can be accessed from the wheel housing (left-side).
📐 1 workshop diagram for BUJ
Real factory drawings for this job — timing marks, bolt locations and routing. Locked in the free view.
📋 Procedure
- Remove silencer .
- Remove rear noise insulation 66.
- Drain engine oil from oil reservoir 420.
- Remove bolts (2) and pull pipe/hose assembly out of oil reservoir.
- Seal off open lines and connections with clean plugs from engine bung setVAS 6122. [Note: Disregard (item 1).]
- Detach crankcase breather hoses (1) and (4) from oil reservoir (press release tabs).
- Seal off open lines and connections with clean plugs from engine bung setVAS 6122. [Note: Disregard items marked (2, 3) and (arrows).]
- Remove bolts (1). [Note: Disregard items marked (2, 3) and (arrows).]
- Unscrew bolts (4) and pull pipe/hose assembly (3) off oil reservoir.
- Unplug electrical connector (5) at oil level and oil temperature sender G266.
- Remove bolts (1) and (2) and remove oil reservoir. [Note: Bolt (2) can be accessed from the wheel housing (left-side).]
- Seal off open lines and connections with clean plugs from engine bung setVAS 6122. [Note: Fit new O-rings.]
- Install silencer .
- Install rear noise insulation 66.
- 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.
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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.