Rear Heated Oxygen Sensor (593), T8

Lower Heated Oxygen Sensor (593)

WARNING: The exhaust pipe from the turbocharger can be extremely hot. Proceed with caution.

To remove






1. Unplug the connector for the oxygen sensor and carefully lower the cable.
2. Raise the car. CV: Remove Chassis reinforcement, front supporting frame, CV






3. Remove the lower turbocharger pressure pipe.






4. Bend out the corner of the heat shield slightly.






5. Run the cable forward and remove the oxygen sensor.
To fit






1. Lubricate the threads sparingly with 30 20 971 Screw-thread paste and fit the oxygen sensor.
Tightening torque 40 Nm (30 ft lbs).






2. Check that the cables are NOT twisted or damaged. Bend back the corner of the heat shield.
3. Lift up the oxygen sensor cable, making sure it does not get pinched or is exerted to chafing.






4. Fit the turbocharger delivery pipe. CV: Fit Chassis reinforcement, front supporting frame, CV
Tightening torque 22 Nm (16 ft lbs).
5. Lower the car.






6. Plug in the oxygen sensor connector and secure it.