Oxygen Sensor 2 After Catalytic Converter (G131)

Oxygen Sensor 2 after Catalytic Converter (G131)

Special tools, testers and auxiliary items required

• Ring Spanner 7-Piece Set (3337)

Removing






- Remove the rear engine cover - 2 - upward.

- Remove bolt - arrow -.






- Disconnect the electrical connector to the engine coolant level warning switch (F66) on the bottom of the coolant reservoir and lay the reservoir aside with the coolant hoses - 1 - and - 2 - attached.

- Disconnect the connector - 1 - on the Oxygen Sensor (O2S) 2 after catalytic converter and free up the wire.






- Remove the noise insulation, to do this, loosen the mounting parts - 1, 2, arrow -.






- Remove the O2S 2 after catalytic converter - 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

- Install the noise insulation.