Remove/install temperature sensor upstream of SCR catalytic converter

AR14.40-P-2011LF

Remove/install temperature sensor upstream of SCR catalytic converter

6.10.15

Engine

642 in model 222

with code U77 (Diesel Emission control BLUETEC (SCR))

1

Electrical line

B16/15

Temperature sensor upstream of SCR catalytic converter

 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



Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

 

Remove/install

1

Loosen left underfloor paneling on rocker panel

AR61.30-P-1001LF

 Loosen left underfloor paneling until the electrical connection of the temperature sensor upstream of SCR catalytic converter (B16/15) is accessible.

2

Detach electrical line (1) of the temperature sensor upstream of SCR catalytic converter (B16/15) from retaining clamps on heat shield

3

Disconnect electrical connection for the temperature sensor upstream of SCR catalytic converter (B16/15)

4

Unscrew union nut and remove temperature sensor upstream of SCR catalytic converter (B16/15)

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

*BA14.40-P-1006-02A

5

Install in the reverse order

 Exhaust aftertreatment, BlueTec

Number

Designation

Engine 642
with code U77 (Diesel Emission control BLUETEC (SCR))

BA14.40-P-1006-02A

Temperature sensor for exhaust temperature measurement upstream of SCR catalytic converter

Nm

45