Remove/install oxygen sensor upstream of catalytic converter

AR07.04-D-0086TSF

Remove/install oxygen sensor upstream of catalytic converter

13.03.2018

Engine

651 in model 910

1

Electrical connector

2

Cable tie

3

Oxygen sensor

 Warning

Risk of burn injuries, suffocation and poisoning when working on the exhaust system and the components connected to it. Risk of suffocation and risk of poisoning caused by inhalation of gaseous and solid components of the exhaust. Risk of poisoning caused by skin contact with solid components of the exhaust.

Wear protective clothing and safety glasses. Use the extraction system. Move people out of the hazard area.

AS49.00-Z-0001-01A

 Caution

Risk of injury caused by scraping or cutting body parts on sharp vehicle parts

Always wear protective gloves when working on or near sharp and non-deburred vehicle parts.
Deburr repair panels.

AS00.00-Z-0017-01A

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-P-5000-01A

 

Remove/install

1

Remove air filter housing

AR09.10-D-1150TSF

2

Disconnect cable tie (2)

 Installation: Replace cable tie (2).

3

Disconnect electrical connection (1)

4

Remove lambda sensor (3)

Note on calculation of tightening torque when using insertion or socket tools with various effective lengths

AH00.00-P-0015-01CW

 Installation: Coat thread of lambda sensor (3) with heat-resistant lubricating paste.

Paste, hot lubrication 1 kg, DBL 6879.20

*BR00.45-Z-1005-06A

 Lambda sensor upstream of catalytic converter to exhaust pipe

*BA07.04-N-1008-02TSR

 Box wrench bit

*000589710300

5

Install in the reverse order

6

Read out the fault memory

When installing a new lambda sensor (3).



Connect/disconnect diagnostic unit

AD00.00-D-2000-06TS

If faults are present



Erase the fault memory.



Check

 Warning

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

7

Check leaktightness of exhaust system when engine is running

 Visual inspection only.

 Sensors, probes

Number

Designation

Engine 651 in model 910

BA07.04-N-1008-02TSR

Lambda sensor upstream of catalytic converter to exhaust pipe

Nm

50

Repair materials

Number

Designation

Order number

BR00.45-Z-1005-06A

Paste, hot lubrication 1 kg, DBL 6879.20

A 000 989 76 51