Heated Oxygen Sensor (HO2S) (G39) With Oxygen Sensor (O2S) Heater (Z19)

Heated Oxygen Sensor (HO2S) (G39) with Oxygen Sensor (O2S) Heater (Z19)

Special tools, testers and auxiliary items required

• Ring Spanner 7-Piece Set (3337)

Removing

- Remove engine cover. Refer to => [ Engine Cover ] Service and Repair.

- Disconnect the HO2S connector - 4 -.






- Remove the HO2S - 1 - using a tool from the (3337).






Installing

Note the following when installing:

• 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 oxygen sensor slots. Hot bolt paste, refer to the Electronic Parts Catalog (ETKA)

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

• Tightening specifications, refer to => [ Heated Oxygen Sensor (HO2S) (G39) and Exhaust Gas Temperature Sensors Overview ] Heated Oxygen Sensor (HO2S) (G39) and Exhaust Gas Temperature Sensors Overview