Oxygen Sensor After Catalytic Converter and Oxygen Sensor 1 Heater

Oxygen Sensor after Catalytic Converter and Oxygen Sensor 1 Heater

Special tools, testers and auxiliary items required

• Ring spanner 7-piece set for oxygen sensor (3337)

Removing oxygen sensor

- Remove nuts - 1 and 2 - on cover.





- Remove cover and disconnect electrical connector - arrow - on Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) (G130) and Oxygen Sensor (O2S) Heater 1 (behind Three Way Catalytic Converter (TWC)) (Z29).





- Remove Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) (G130) and Oxygen Sensor (O2S) Heater 1 (behind Three Way Catalytic Converter (TWC)) (Z29) - arrow - using a tool from the Ring Spanner Set (3337).





Installing oxygen sensor

When installing, note the following:

• New oxygen sensors are coated with assembly paste; the paste must not get into slots of oxygen sensor body.

• For a used oxygen sensor, only coat threads with hot bolt paste. This paste must not come into contact with sensor slots. Hot bolt paste.

• Electrical wire of oxygen sensor must always be secured in the same position when installing so that contact with the exhaust pipe is avoided.

• Tightening specifications: 55 Nm.