Oxygen sensor

Oxygen sensor

To remove

Unplug the oxygen sensor's leads, undo the cable clamps and clip. Raise the car.

Important
The leads must not be twisted. The oxygen sensor is highly sensitive to knocks and blows and must be handled with care.

Remove the oxygen sensor.

To fit

Coat the oxygen sensor's threads with Molycote 1000 (30 20 971) to prevent binding.

Important
The oxygen sensor is sensitive to knocks and jolts and must be handled with care. It is important to ensure that the connection between oxygen sensor and union is gastight.
The oxygen sensor's lead must not be stretched between engine and exhaust pipe. Secure the cable to the clips so that a loop is formed just before the sensor.

Important
Chemicals such as contact spray and grease must not come into contact with the oxygen sensor connectors.

Fit the oxygen sensor.

Tightening torque: 55 Nm (41 lbf ft)

Important
Chemicals such as contact spray and grease must not come into contact with the oxygen sensor connectors.

Lower the car to the floor, plug in the leads and fit the cable clamps and clip.