RS 4 Quattro Sedan V8-4.2L (BNS) (2007)
‹› Dimension - x - = max. 60 mm.
‹› Dimension - x - must not be exceeded, otherwise driveshaft joint and lines on bulkhead can be damaged.
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Remove electrical connectors from bracket on transmission.
1. Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) (G130)
2. Heated Oxygen Sensor (HO2S) (G39) (before catalytic converter)
3. Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) (G131)
4. Heated Oxygen Sensor (HO2S) 2 (G108) (in front of catalytic converter)
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Disconnect electrical harness connectors.
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Remove heat insulation sleeve on wiring harness and free up individual wires.
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Remove oxygen sensor on cylinder bank 1 (right) with (3337 ).