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Home >> Mercedes Benz >> 2012 >> Sprinter 2500, Van Cargo Extended >> Repair and Diagnosis >> Engine Performance >> System >> Mixture Formation -- Model 906 (Engine 642) >> Testing & Repair >> Remove/Install Pressure Differential Sensor - Ar07.04-D-0006SD
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Remove/Install Pressure Differential Sensor - Ar07.04-D-0006SD

ENGINES 642.992 /993, 646.984 /985 /986 /989 in MODEL 906 

Fig 1: Pressure Differential Sensor Component Locations
G08208146Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
DANGER 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
1 Lift/jack up vehicle   AR00.60-D-1000H
2 Remove hoses (1) at lines (2) NOTES Do not remove hoses (1) from diesel particulate filter differential pressure sensor (B28/8) to avoid damage to diesel particulate filter differential pressure sensor (B28/8).
IMPORTANTInstallation:  Replace hose clamps.
 
3 Loosen nut (4) and unhook hoses (1) at bracket (5)    
4 Remove diesel particulate filter differential pressure sensor (B28/8) on holder (3) TORQUE SPECIFICATION Engine 646 *BA07.04-N-1010-01B 
    TORQUE SPECIFICATION Engine 642 *BA07.04-N-1005-01G 
5 Disconnect electrical connector on diesel particulate filter differential pressure sensor (B28/8) IMPORTANTInstallation:  When replacing the differential pressure sensor (B28/8), the hoses (1) must also be replaced.  
6 Install in the reverse order    
DANGER Risk of accident  caused by vehicle starting off by itself when engine is running. Risk of injury  caused by contusions and burns during starting procedure or when working near the engine as it is running Secure vehicle to prevent it from moving by itself.
Wear closed and snug-fitting work clothes.
Do not touch hot or rotating parts.
AS00.00-Z-0005-01A
7 Test run engine and check leak tightness of exhaust system in the area of diesel particulate filter differential pressure sensor (B28/8)    
PRESSURE DIFFERENTIAL SENSOR TORQUE SPECIFICATIONS - ENGINE 646 IN MODEL 906

Number Designation Engine 646 in 906 Engine 646.986
BA07.04-N-1010-01B Bolt, differential pressure sensor to bracket Nm 9 9
PRESSURE DIFFERENTIAL SENSOR TORQUE SPECIFICATIONS - ENGINE 642.992/.993

Number Designation Engine 642.992 Engine 642.993
BA07.04-N-1005-01G Bolt, pressure differential sensor to bracket Nm 8 8