Heated Oxygen Sensor and Heated Oxygen Sensor 2

Heated Oxygen Sensor and Heated Oxygen Sensor 2

Special tools, testers and auxiliary items required

• Ring Spanner 7-Piece Set (3337)

Removing

- Pull off the air guide cover - 1 -, disengage the clips sideways to do so.






- Unclip the air duct - 2 -.

- Remove the air filter housing and connecting hose, while doing this remove the bolt - A -, disconnect the connector - B - and remove the spring clip - C -. When re-installing, observe the mark - D -.






- Disconnect the electrical connectors - 1 and 2 - for the Heated Oxygen Sensor (HO2S) (G39) and HO2S 2 (G108).






- Free up electrical wires to oxygen sensors.

- Remove the HO2S 2 - 1 - and HO2S - 2 -.






Installing

Installation is performed in the reverse order of removal, noting the following.

- Use hot bolt paste to grease the threads on used oxygen sensors; do not let the paste get onto the slits of the oxygen sensor body.

- Install the original wiring again.