Heated Oxygen Sensor 2, in Front of Catalytic Converter and Oxygen Sensor 2 behind Three Way Catalytic Converter, Cylinder Bank

Heated Oxygen Sensor 2, in Front of Catalytic Converter and Oxygen Sensor 2 behind Three Way Catalytic Converter, Cylinder Bank 2

Special tools, testers and auxiliary items required

• Ring Spanner 7-Piece Set For Oxygen Sensor (3337)

Removing

• All cable ties opened or cut during engine removal must be reinstalled at the same locations during installation.

- Remove rear engine cover.

- Remove the coolant expansion tank - arrow - and disconnect the connector on the Engine Coolant Level Warning Switch (F66) on the bottom of the expansion tank.





- Move the coolant reservoir to the side with hoses - 1 through 3 - connected.

- Remove affected electrical connector from bracket and disconnect it.





1 Heated Oxygen Sensor (HO2S) 2 (G108)
2 Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) (G131)

- Remove Heated Oxygen Sensor (HO2S) 2 (G108) - 1 - using a tool from the Ring Spanner Set (3337).





- Remove Oxygen Sensor (O2S) 2 Behind Three Way Catalytic Converter (TWC) (G131) - 2 - using a tool from the Ring Spanner Set (3337).

Installing

Installation is in reverse order of removal, 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.

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

• During installation, all cable ties must be re-installed at the same location.

• Tightening Specifications. Refer to => [ Oxygen Sensors Assembly Overview ] Oxygen Sensors Assembly Overview