Remove/install pressure differential sensor (DPF) - AR07.04-P-0012OGR

ENGINE 642 in MODEL 166 

Fig 1: Identifying Pressure Differential Sensor Remove/Install Components

Courtesy of MERCEDES-BENZ USA

	Remove/install
	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
1	Remove right air filter housing		AR09.10-P-1150OGR
2	Disconnect electrical connection on differential pressure sensor (B28/8)
3	Remove screw/bolt (1)	Engine 642 with particulate filter	*BA07.04-P-1006-01G
4	Remove bracket (2) for pressure hose (3), to do this unscrew nut	Engine 642 with particulate filter	*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 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	Do an engine test run and check for leaks

SENSORS, TRANSMITTERS

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

SENSORS, TRANSMITTERS

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