FixVault

Remove/Install Fuel Rail Pressure Sensor - AR07.16-P-1055OGR

ENGINE 642 in model 166, 292 

Fig 1: Fuel Rail High/Pressure Sensor Components Location - Engine 642 In Model 166
G14133809Courtesy of MERCEDES-BENZ USA
DANGER Risk of explosion  caused by fuel igniting.
Risk of injury  to skin and eyes caused by fuel spraying out at high pressure
Keep all ignition sources out of hazard area.
Do not carry out any work on system when it is pressurized.
AS07.16-Z-0001-01A
DANGER Risk of explosion  caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel as well as risk of injury to eyes and skin caused by contact with fuel. No fires, sparks, open flames or smoking. Pour fuels into suitable and appropriately marked containers only.
Wear protective clothing when handling fuel.
AS47.00-Z-0001-01A
REMOVINGINSTALLING Remove/install     
1 Open ENGINE hood and raise to vertical position ENGINE 642 in model 166, 292
ENGINE 642 in model 166
AR88.40-P-1000GQ
2 Remove ENGINE air intake duct downstream of air filter   AR09.10-P-8130OGR
3 Remove right section of the bulkhead    
4 Remove heat shield of ATL    
5 Remove rear ENGINE suspension lug on the right cylinder head cover TORQUE SPECIFICATION Bolt, lifting eye to cylinder head *BA01.30-P-1006-01S 
6 Disconnect the electrical connection on high pressure fuel pressure sensor (B4/6)    
7 Remove high pressure fuel pressure sensor (B4/6) from rail (22) NOTES
Ensure maximum cleanliness while working on the diesel injection system and clean connecting points before opening.
Otherwise, the planetary gear set may be damaged.
TORQUE SPECIFICATION Rail pressure sensor to rail
*BA07.16-P-1013-01C 
8 Close connection from high pressure fuel pressure sensor (B4/6) NOTES
Close connection from high pressure fuel pressure sensor (B4/6) for protection against soiling immediately after removal with a suitable SPECIAL TOOL grommet.
The diesel injection system may be damaged otherwise.
SPECIAL TOOL Record plug
Fig 2
9 Install in the reverse order    
CYLINDER HEAD

Number Designation ENGINE 642
BA01.30-P-1006-01S Bolt, lifting eye to cylinder head Nm 14
COMMON RAIL DIESEL INJECTION SYSTEM (CDI)

Number Designation ENGINE 642
BA07.16-P-1013-01C Rail pressure sensor to rail Nm 70
Fig 2: Identifying Record Plug (129 589 00 91 00)
G07473018Courtesy of MERCEDES-BENZ USA