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

ENGINE 642 in MODEL 204 

ENGINE 642 in MODEL 211 with CODE (474) Particulate filter 

Vehicles up to model year 2009: 

Fig 1: Identifying Differential Pressure Sensor, Nuts And Molded Hoses - Up To Model Year 2009

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Vehicles as of model year 2009 

Fig 2: Identifying Differential Pressure Sensor, Nuts And Molded Hoses - As Of Model Year 2009

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

	Remove/install
	Risk of injury  to skin and eyes caused by handling hot or glowing objects.	Wear safety gloves, protective clothing and safety glasses, if necessary.	AS00.00-Z-0002-01A
	Risk of death  caused by vehicle slipping or toppling off the lifting platform.	Align vehicle between columns of vehicle lift and position four support plates at vehicle lift support points specified by vehicle manufacturer.	AS00.00-Z-0010-01A
1	Detach connector on DPF differential pressure sensor (B28/8)
2.1	Unscrew nuts (2, 3)	Model 204 up to model year 2009
			*BA07.04-P-1009-01G
2.2	Unscrew nut (5)	Model 204 as from model year 2009
			*BA07.04-P-1009-01G
3	Remove screw (6)	Model 204 as from model year 2009
			*BA07.04-P-1006-01G
4	Detach molded hoses (4) on pressure lines and remove DPF differential pressure sensor (B28/8)	Only hose clamps for molded hoses (4) may be loosened at the pressure lines. Loosening hose clamps on the differential pressure sensor (DPF) (B28/8) can cause hairline cracks to form at the differential pressure sensor (DPF) (B28/8) which can limit its function. Installation:  Replace hose clamps.
5	Detach molded hoses (4) on differential pressure sensor (DPF) (B28/8)	When replacing the DPF differential pressure sensor (B28/8)
6	Install in the reverse order