Remove/install temperature sensor upstream of SCR catalytic converter

AR14.40-P-2011CD

Remove/install temperature sensor upstream of SCR catalytic converter

6.10.15

Engine

651 in model 204.9

with code U42 (BlueTEC diesel exhaust treatment (SCR))

1

Temperature sensor upstream of SCR catalytic converter

3

Electrical connection

2

Retaining clamp

 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

Detach rear right underfloor paneling

2

Detach electrical line of the temperature sensor upstream of SCR catalytic converter (1) from retaining clamp (2) heat shield

3

Disconnect electrical connection (3) of temperature sensor upstream of SCR catalytic converter (1)

4

Unscrew union nut from temperature sensor upstream of SCR catalytic converter (1)

Paste, hot lubrication 1 kg, DBL 6879.20

*BR00.45-Z-1005-06A

 Temperature sensor for exhaust temperature measurement upstream of SCR catalytic converter

*BA14.40-P-1006-02A

5

Remove temperature sensor upstream of SCR catalytic converter (1)

6

Install in the reverse order

7

Connect diagnostic system, read out fault memory and delete if necessary



AD00.00-P-2000-04A

 Exhaust aftertreatment, BlueTec

Number

Designation

Engine 651 in model 166, 204, 207, 212, 218, 221, 222
with code U42 (BlueTEC diesel exhaust treatment (SCR))

BA14.40-P-1006-02A

Temperature sensor for exhaust temperature measurement upstream of SCR catalytic converter

Nm

45

Repair materials

Number

Designation

Order number

BR00.45-Z-1005-06A

Paste, hot lubrication 1 kg, DBL 6879.20

A 000 989 76 51