Remove/Install Pressure Differential Sensor (DPF) - AR07.04-P-0012OGR

ENGINE 642 in model 166, 292 

Fig 1: Pressure Differential Sensor (DPF) Components Location - Engine 642 In Model 166

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Remove right air filter housing		AR09.10-P-1150OGR
2	Disconnect electrical connection on DPF differential pressure sensor (B28/8)
3	Remove screw/bolt (1)	ENGINE 642 in model 166, 292 with code 474 (Diesel particulate filter) Bolt, differential pressure sensor to bracket	*BA07.04-P-1006-01G
4	Remove bracket (2) for pressure hose (3), to do this unscrew nut	ENGINE 642 in model 166, 292 with code 474 (Diesel particulate filter) Nut, differential pressure sensor to bracket	*BA07.04-P-1009-01G
5	Remove hose clamps on pressure lines	Do not disconnect pressure hoses (3) on differential pressure sensor (B28/8). : Replace hose clamps if necessary.
6	Detach DPF differential pressure sensor (B28/8) with pressure hoses (3) from pressure lines
7	Install in the reverse order
	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
8	Perform an ENGINE test run and check for leaktightness

SENSORS

Number	Designation		ENGINE 642
BA07.04-P-1006-01G	Bolt, differential pressure sensor to bracket	Nm	8

SENSORS

Number	Designation		ENGINE 642
BA07.04-P-1009-01G	Nut, differential pressure sensor to bracket	Nm	10