Remove/install O2 sensor

AR07.04-P-0080LFD

Remove/install O2 sensor

08.04.2013

ENGINE

642 in MODEL 222

1

Electrical connection

G3/2

Oxygen sensor upstream of catalytic converter

 Danger !

Risk of injury caused by fingers being jammed or pinched when removing, installing or aligning hoods, doors, trunk lid/rear-end door or sliding roof.

No parts of the body or limbs should be within the operating area when the components are moving.

AS00.00-Z-0011-01A

 Danger !

Risk of injury. Skin or eye injuries may result when handling hot or glowing objects.

Wear protective gloves, protective clothing and safety glasses, if necessary.

AS00.00-Z-0002-01A

 

Remove/install

1

Remove engine cover

 Installation: Only install engine cover after engine test run and leak test. Ensure correct seating.

2

Disconnect electrical connection (1)

 Installation: Replace cable tie.

 Take electrical connection (1) out of bracket and expose electrical line.

3

Remove oxygen sensor upstream of catalytic converter (G3/2)

 Installation: Coat thread of the oxygen sensor upstream of catalytic converter (G3/2) with heat-resistant lubricant.

Paste, hot lubrication 1 kg, DB supply specification 6879.20

*BR00.45-Z-1005-06A

 Control sensor upstream of catalytic converter

*BA14.00-P-1003-01F

4

Install in the reverse order



Check

 Danger !

Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.

Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

5

Carry out an engine test run

 O2 sensor

Number

Designation

ENGINE 642

BA14.00-P-1003-01F

Control sensor upstream of catalytic converter

Nm

50

Repair materials

Number

Designation

Order number

BR00.45-Z-1005-06A

Paste, hot lubrication 1 kg, DB supply specification 6879.20

A 000 989 76 51