Remove/install temperature sensor upstream of SCR catalytic converter

AR14.40-P-2011CDA

Remove/install temperature sensor upstream of SCR catalytic converter

29.09.2015

Engine

651 in model 172

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

 

Remove/install

1

Remove left underfloor paneling

AR61.30-P-1001W

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)

 Exhaust temperature sensor upstream of SCR catalytic converter

*BA14.40-P-1008-02D

5

Install in the reverse order

 Exhaust aftertreatment, BlueTec

Number

Designation

Engine 651 in model 172
with code U77 (Diesel Emission control BLUETEC (SCR))

BA14.40-P-1008-02D

Exhaust temperature sensor upstream of SCR catalytic converter

Nm

45