Oxygen Sensors After Catalytic Converter

Oxygen Sensors after Catalytic Converter

Special tools, testers and auxiliary items required

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

Removing

- Remove right vehicle underbody cover - arrows -.





- On right side at vehicle floor, disconnect electrical harness connector - 1 - to Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) (G130) or - 2 - to Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) (G131).





- Remove respective connector coupling from bracket and free up electrical wire to respective oxygen sensor.

- Remove Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) (G130) - 1 - or Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) (G131) - 2 -.





Installing

Installation is in reverse order of removal, noting the following:

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

• When reinstalling the previously used oxygen sensor, coat thread with hot bolt paste. Paste must not get on to slits of sensor body.

• 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