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Home >> Mercedes Benz >> 2000 >> C230 >> Repair and Diagnosis >> Engine Performance >> Tune-Up >> Mixture Formation -- 202 Chassis >> Testing & Repair >> Remove/install pressure regulator valve - AR07.16-P-1060HB

Remove/install pressure regulator valve - AR07.16-P-1060HB

ENGINE 611.960 in MODELS 202.133 /134 /193 /194 

ENGINE 611.961 in MODELS 210.006 /007 /206 /606 

ENGINE 611.962 in MODELS 203.004 /204 /006 /206 

ENGINE 612.961 in MODEL 210.016 /216 /616 

ENGINE 612.962 in MODEL 203.016 /216 

ENGINE 612.963 in MODEL 163.113 

ENGINE 613.961 in MODEL 210.026 /226 

ENGINE 613.960 in MODEL 220.026 

ENGINE 628.960 in MODEL 220.028 /128 

ENGINE 612.965 in MODEL 463.322 /323 

ENGINE 628.962 in MODEL 463.309 /332 /333 

ENGINE 628.963 in MODEL 163.128 

ENGINE 612.966 in MODELS 461.302 /331 /332 /342 /345 

ENGINE 612.967 in MODEL 209.316 

Fig 1: Identifying Pressure Regulator Valve Remove/Install Components - Engine 611.960 In Models 202.133 /134 /193 /194
G04713246
REMOVING Remove     
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 fire, sparks, open flames or smoking.
Pour fuels only into suitable and appropriately marked containers.
Wear protective clothing when handling fuel.
AS47.00-Z-0001-01A
1.1 Remove rail (4) Engine 611, 612, 613
IMPORTANT In order to detach and attach the pressure regulator valve (Y74) the rail (4) must always be removed. A correct fitting of the pressure regulator valve is not ensured in the installed condition. Y74
AR07.16-P-1010HB
1.2 Remove valve block Engine 628960/962 AR07.03-P-1020M
    Engine 628.963
IMPORTANT In order to remove and install the pressure regulator valve (Y74), the valve block must always be replaced. A correct fitting of the pressure regulator valve is not ensured in the installed condition. Y74
AR07.03-P-1020MA
2 Clamp the rail (4) or the valve block vertically in the vise IMPORTANT Use protective jaws for the vise to prevent damage to the rail (4) or valve block.  
3 Remove pressure regulator valve (Y74) IMPORTANT For this step, unscrew bolts (1)
IMPORTANT Allow escaping fuel to drain into a suitable container.
 
INSTALLING Install     
4 Clean sealing surfaces    
5 Lightly grease new seals (2a and 2b) with special grease before installing the pressure regulator valve Y74 NOTES The new seals (2a, 2b) and the new support ring (3) must not be damaged during installation, otherwise internal leakages may occur that cannot be detected from the outside.
IMPORTANT Seals (2a, 2b) and support ring (3) must always be replaced.
 
      *BR00.45-Z-1036-06A 
6 Install pressure regulator valve (Y74). IMPORTANT Gradually tighten the bolts (1).
TORQUE SPECIFICATION
*BA07.16-P-1005-01A 
    TORQUE SPECIFICATION *BA07.16-P-1004-01C 
7.1 Install the rail (4) Engine 611, 612, 613 AR07.16-P-1010HB
7.2 Install valve block Engine 628960/962 AR07.03-P-1020M
    Engine 628.963 AR07.03-P-1020MA
DANGER Risk of accident  caused by vehicle starting off by itself when engine is running. Risk of injury  caused by contusions and burns when working in engine during starting procedure Secure vehicle to prevent it from moving.
Wear closed and snug-fitting work clothes.
Do not grasp hot or rotating parts.
AS00.00-Z-0005-01A
8 Run engine and inspect fuel system for leaks    
TORQUE SPECIFICATION COMMON RAIL DIESEL INJECTION (CDI)

Number Designation Engine 611.960/961 Engine 611.962
BA07.16-P-1005-01A Bolt of pressure control valve to rail 1st stage Nm 3 3
2nd stage Nm 5 5
TORQUE SPECIFICATION COMMON RAIL DIESEL INJECTION (CDI)

Number Designation Engine 612.961/963 Engine 612.962/967
BA07.16-P-1005-01A Bolt of pressure control valve to rail 1st stage Nm 3 3
2nd stage Nm 5 5
TORQUE SPECIFICATION COMMON RAIL DIESEL INJECTION (CDI)

Number Designation Engine 612.965/966 Engine 613.960/961
BA07.16-P-1005-01A Bolt of pressure control valve to rail 1st stage Nm 3 3
2nd stage Nm 5 5
TORQUE SPECIFICATION COMMON RAIL DIESEL INJECTION (CDI)

Number Designation Engine 628.960/960/962
BA07.16-P-1004-01C Bolt securing pressure regulator valve to valve block 1st stage Nm 3
2nd stage Nm 5
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1036-06A Special grease A 001 989 42 51 10