Operation CHARM: Car repair manuals for everyone.

Oxygen Sensor Before Catalytic Converter, Bank 2






Oxygen Sensor Before Catalytic Converter, 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.

- Pull rear engine cover off - arrows -.





- Remove coolant expansion tank - arrow -.





- Disconnect electrical connection from engine coolant level warning switch (F66) at bottom of coolant reservoir and set aside coolant reservoir with coolant hoses - 1 - and - 2 - connected.

- Disconnect the electrical harness connector - 2 - for heated oxygen sensor 2 (G108) and free up wire.





Ignore - 1 -.

- Remove the oxygen sensor - 1 - with the ( 3337).





To improve clarity, the removed engine is shown.

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.

When reinstalling the previously used oxygen sensor, coat thread with hot bolt paste. Paste must not get on to slits of sensor body.

During installation, all cable ties must be reinstalled at the same location.

Wires of oxygen sensors must always be secured in the same position when installing so that contact with the exhaust pipe is avoided.

Tightening Specifications