A4 Quattro Cabriolet V6-3.2L (BKH) (2007)
Catalytic Converter: Service and Repair
With Multitronic Transmission
Left Front Exhaust Pipe with Catalytic Converter
Special tools, testers and auxiliary items required
‹› Engine/transmission jack (V.A.G 1383 A)
Removing
‹› All cable ties which are opened or cut open when removing, must be replaced in the same position when installing.
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Remove rear engine cover - arrows -.
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Remove coolant expansion tank - arrow -.
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Disconnect electrical connection from Engine Coolant Level (ECL) Warning Switch (F66) at bottom of coolant reservoir and set aside coolant
reservoir with coolant hoses - 1 - and - 2 - connected.
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Disconnect electrical harness connector - 1 - for Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) (G131) and free up
wiring.