Withdrawal
Warning: There is danger when lifting and placing the vehicle on stands! Therefore, first read the subsection car jacking.
1. Raise and place the car on stands.
2. Unscrew the cover of the plug connection of the oxygen sensor next to the catalytic converter. Disconnect the electrical wire with clips at the heat shield. Remove the connector from the cover and unplug it.
3. Unscrew the oxygen sensor with a wrench, eg HAZET 4680-3, from the pipe.
Installation
1. Lubricate the threads of the oxygen sensor with special AUDI grease "G5". New sensors are already coated with the specified lubricant.
Warning: Do not allow G5 to enter the splines of the sensor body. If possible, do not touch or contaminate the body of the new sensor.
2. Screw the sensor into the exhaust pipe with a torque of 50 Nm.
3. Lay the sensor cable in the clamps and connect. Screw on the plug connection cover at the bottom.
4. Lower the car onto its wheels.
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