Removing and installing Lambda probe after catalytic converter G130 — AUDI

🧭 Before you start

Fits: Audi A8 D4 (4H, 2010–2017)

🔧 Engine codes this applies to

📋 Procedure

1. Remove engine cover panel .
2. Unclip fuel supply line (2).
3. Loosen hose clips (1 and 3) and remove air pipe (right-side).
4. Loosen hose clips (1 and 3) and remove air pipe (left-side).
5. Disconnect vacuum lines (arrows) from intake connecting pipe.

6. Remove bolts (4) and detach crankcase breather.
7. Detach hose (2) from activated charcoal filter solenoid valve 1N80.
8. Unplug electrical connectors (1 and 3).
9. Detach activated charcoal filter solenoid valve 1N80 from bracket and move it clear to the side.
10. Release hose clip on intake connecting pipe.
11. Remove both bolts (arrows) from intake connecting pipe.
12. Guide intake connecting pipe out from above.
13. Unplug electrical connector (1).
14. Unscrew Lambda probe after catalytic converter G130(3) using tool from Lambda probe open ring spanner set3337. [Note: Threads of new Lambda probes are already coated with assembly paste; the paste must not get into the slots on the probe body.In the case of a used Lambda probe grease only the thread with high-temperature paste. The paste must not get into the slots on the Lambda probe body. High-temperature paste Parts catalogueWhen installing, the Lambda probe wire must always be reattached at the same locations to prevent it from coming into contact with the exhaust pipe.Fit all cable ties in the original positions when installing.]
15. Install engine cover panel .

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