Left Primary Catalytic Converter Repair for Audi Q7 Quattro V8-42L (BAR) (2008)
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Remove air guide pipe to right.
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Remove electrical connectors - 3 - for Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) (G131) and - 4 - for Heated Oxygen
Sensor (HO2S) 2 (G108) from bracket on right strut tower.
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Disconnect electrical connections and free up electrical wiring to Heated Oxygen Sensor (HO2S) 2 (G108) and Oxygen Sensor (O2S) 2 Behind
Three Way Catalytic Converter (TWC) (G131).
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Remove screws and remove front - 1 - and rear - 2 - noise insulation.
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Remove bracket for noise insulation - arrows -.
