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