Heated Oxygen Sensor (G39)

Heated Oxygen Sensor (G39)

Special tools, testers and auxiliary items required

• Ring Spanner 7-Piece Set (3337)

Removing






- Remove the rear engine cover - 2 - upward.

- Free up the fuel line - 4 - and hose connection - 1 - from the EVAP canister on the air filter housing and on the air guide tube.






- Remove the vacuum hose - 2 - from the air guide hose connection.

- Remove the air guide pipe by loosening the hose clamp - 3 - and opening the clips - arrows -.

- Remove the air filter housing lower section. Refer to => [ Air Filter ] Air Filter.

- Disconnect the connector - 4 - on the Heated Oxygen Sensor (HO2S) 2 (G39) and free up the wire.






- Remove the HO2S 2 - 2 - using a tool from the (3337).






• To provide a better illustration, component location is shown from behind with engine removed.

Installing

Install in reverse order, paying attention to the following:

• Coat new oxygen sensors with an assembly paste.

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

• Assembly paste or hot bolt paste must not 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.

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