Removing
Disconnect electrical connector.
Depending on the model, unscrew the oxygen sensor from the exhaust pipe or catalytic converter.
Installation
3 different oxygen sensors are used.
Caution: When replacing an oxygen sensor, only use a new sensor of the same design.
- 1 - unheated sensor (with a large number of slots -A-).
- 2 - heated sensor (with holes -B-).
- 3 - heated sensor (with a small number of slots -C-).
Treat only the thread of the sensor with VAG G5 special grease. Grease must not get on the pins or holes of the sensor head. If possible, do not touch the working surface of the new sensor, avoid contamination.
Screw in the oxygen sensor to a torque of 50 Nm.
Connect the plug to the sensor.
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