Heated Oxygen Sensor (G39) and Oxygen Sensor Heater (Z19)

Heated Oxygen Sensor (G39) and Oxygen Sensor Heater (Z19)

Special tools, testers and auxiliary items required

• Ring Spanner 7-Piece Set (3337)

Removing

- Disconnect the connector - 1 - from the Heated Oxygen Sensor (HO2S) and the Oxygen Sensor (O2S) heater.






- Remove the HO2S - 1 - using the (3337).






Installing

Note the following when installing:

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

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

• Always install the oxygen sensor wire in the same location so it does not come into contact with the exhaust pipe.

• Tightening specifications: Oxygen sensor, assembly overview, refer to => [ Heated Oxygen Sensors Overview ] Heated Oxygen Sensors Overview