Oxygen Sensors Before Catalytic Converter

Oxygen Sensors before Catalytic Converter

Special tools, testers and auxiliary items required

• Box wrench set (3337)

• High-temperature paste G 052 112 A3

Removing

- Disconnect connector of relevant oxygen sensor => [ Identification of connector bracket - right
side of vehicle ] Locations, or => [ Identification of connector bracket - left side
of vehicle ] Locations

- Undo cable ties.

- Remove oxygen sensor using special tool (3337 ).

Installing

When installing, note the following points:

• The screw thread on the oxygen sensor is coated with assembly paste. This paste must not be allowed to penetrate the openings on the sensor.

• When installing, the cable ties must be re-installed at exactly the same points in order to prevent contact between the oxygen sensor wire and the exhaust pipe.

• Tightening torque 55 Nm.