Remove/install heated O2 sensor

AR07.52-P-5303MLJ

Remove/install heated O2 sensor

17.4.12

 

Remove/install

 Danger!

Risk of injury caused by fingers being pinched or crushed when removing, installing or aligning hoods, doors, trunk lids, liftgates or sliding roof

Keep body parts and limbs well clear of moving parts.

AS00.00-Z-0011-01A

Danger!

Risk of death caused by vehicle slipping or toppling off of the lifting platform.

Align vehicle between columns of vehicle lift and position four support plates at vehicle lift support points specified by vehicle manufacturer.

AS00.00-Z-0010-01A

1

Switch off ignition

2

Remove underfloor paneling

MODEL 166.0

AR61.30-P-1001GQ

Detach left oxygen sensor upstream of CAT (G3/3) and left oxygen sensor downstream of CAT (G3/5)

3

Unclip electrical connection for left oxygen sensor upstream of CAT (G3/3x1), and electrical connection for left oxygen sensor downstream of CAT (G3/5x1) from bracket on transmission (5)

4

Detach left oxygen sensor upstream of CAT (G3/3) and left oxygen sensor downstream of CAT (G3/5)

 Installation: Coat thread with heat-resistant lubricant. Ensure correct routing of oxygen sensor lines (G3/3, G3/5).



*BA14.00-P-1005-01A



*000589710300

Paste, hot lubrication 1 kg, DB supply specification 6879.20

*BR00.45-Z-1005-06A

Detach right oxygen sensor upstream of CAT (G3/4) and right oxygen sensor downstream of CAT (G3/6)

5

Unclip electrical connection for right oxygen sensor upstream of CAT (G3/4x1), and electrical connection for right oxygen sensor downstream of CAT (G3/6x1) from bracket on transmission (5)

6

Detach right oxygen sensor upstream of CAT (G3/4) and right oxygen sensor downstream of CAT (G3/6)

 Installation: Coat thread with heat-resistant lubricant. Ensure correct routing of oxygen sensor lines.

on the right (G3/4, G3/6).



*BA14.00-P-1005-01A



*000589710300

Paste, hot lubrication 1 kg, DB supply specification 6879.20

*BR00.45-Z-1005-06A

7

Install in the reverse order

8

Read out fault memory with STAR DIAGNOSIS and erase if necessary

AD00.00-P-2000-04A

 Danger!

Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running

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

AS00.00-Z-0005-01A

9

Test run engine and check exhaust system for leaks

Number

Designation

Engines
157, 278

BA14.00-P-1005-01A

Control sensor upstream of catalytic converter

Nm

50

Number

Designation

Order number

BR00.45-Z-1005-06A

Paste, hot lubrication 1 kg, DB supply specification 6879.20

A 000 989 76 51