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)

• To remove the Heated Oxygen Sensor (HO2S) 2 (G108) remove the air filter housing and connecting hose.

Removing

- To remove the Heated Oxygen Sensor (G39): remove the intake manifold. Refer to one of the following:

One piece intake manifold, refer to => [ Intake Manifold ] One Piece Intake Manifold.

Two piece intake manifold, refer to => [ Upper Intake Manifold ] Two Piece Intake Manifold.

- To remove the HO2S 2: remove the air filter housing and connecting hose.

- Disconnect the electrical connectors - 1 - and - 3 - for the HO2S and HO2S 2.





- Free up the electrical wires to the oxygen sensors.

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





Installing

- when reusing an oxygen sensor, only use hot bolt paste (G 052 112 A3) to lubricate the threads; do not let the paste get onto the slits of the oxygen sensor body.

- Install the HO2S - 1 - into the bank 1 exhaust pipe. Identifying feature: black connector.





- Install the HO2S 2 - 2 - into the bank 1 exhaust pipe. Identifying feature: brown connector.

Tightening specifications: 50 Nm

- Install the original wiring again.

Further installation is performed in reverse order.