Heated Oxygen Sensor and Oxygen Sensor Heater Before Catalytic Converter

Heated Oxygen Sensor and Oxygen Sensor Heater before Catalytic Converter

Special tools, testers and auxiliary items required

• Ring Spanner 7-Piece Set (3337)

Removing

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

- Disconnect electrical harness connector - 1 - of the heated oxygen sensor (G39) and oxygen sensor heater (Z19).





- Remove oxygen sensor - arrow - using tool from (3337).





Installing

When installing, 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, refer to the electronic parts catalog ETKA.

• Electrical wire of oxygen sensor must always be secured in the same position when installing so that contact with the exhaust pipe is avoided.

• Tightening specification: 55 Nm