Heated Oxygen Sensor 2 (G108) and Oxygen Sensor 2 After Catalytic Converter (G131)

Heated Oxygen Sensor 2 (G108) and Oxygen Sensor 2 after Catalytic Converter (G131)

Special tools, testers and auxiliary items required

• Ring Spanner 7-Piece Set (3337)

• Oxygen Sensor Probe Wrench (3337/7)

Removing

- Remove the rear engine cover. Refer to => [ Engine Covers ] Service and Repair.

- Remove the bolt - 2 -.

- Disconnect the connector - 1 -.






- Move the coolant reservoir to the side with the coolant hoses still connected - arrows -.

- Disconnect the connector and free up the electric wire:






1. For Heated Oxygen Sensor (HO2S) 2 (G108)

2. For Oxygen Sensor (O2S) 2 after catalytic converter (G131)


- Remove the affected oxygen sensor with the (3337/7) :






1. HO2S 2 (G108)

2. O2S 2 after catalytic converter (G131)


• The installation location is shown with the engine removed.

Installing

• Tightening specifications, refer to => [ Heated Oxygen Sensors Overview ] Heated Oxygen Sensors Overview.

Install in reverse order of removal. Note the following:

• Coat the new oxygen sensors with an assembly paste.

• When installing the previous oxygen sensor, coat the thread with hot bolt paste. Refer to the Parts Catalog.

• Assembly paste or hot bolt paste must not get enter the slots on the oxygen sensor body.

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

• When installing, bring all cable ties back to same positions.

- Install the plenum chamber bulkhead.