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Preheated oxygen sensor 2, OBD II; after catalytic converter (592Ra)

Preheated oxygen sensor 2, OBD II; after catalytic converter (592Ra)

To remove


1. Unplug the connector to the oxygen sensor and detach it from the holder.


2. Cut the oxygen sensor cable fastening.

3. Raise the car.

4. Make a note of how the cable is run and remove it.

Important

The oxygen sensor is sensitive to impact and jolting and must be handled with care.


5. Undo the oxygen sensor with a 22 mm dog-leg spanner or similar tool.



To fit



1. Apply Molykote 1000 (part no. 30 20 971) or equivalent to the oxygen sensor threads. Fit the oxygen sensor and screw it down with a 22 mm dog-leg spanner or similar tool.

Tightening torque 50 Nm (37 lbf ft)

2. Carefully replace the oxygen sensor cable and secure it.

Important

The cables must not be twisted. Twisted cables exposed to vibration can break.

The oxygen sensor is sensitive to impact and jolting and must be handled with care.


Lower the car.

3. Plug in the oxygen sensor connector and attach it to the holder.