Ford F150 Pickup. Instruction - part 1204

Fig. 65: Removing Positional Fittings From Coalescer 
Courtesy of FORD MOTOR CO. 

NOTE:

Install new fuel system O-ring seals using approved O-ring seals only. O-
ring seals that are approved for natural gas use are identified with a yellow 
stripe.

NOTE:

Lubricate the fuel system O-ring seals with Super Premium SAE 5W-20 
Motor Oil XO-5W20-QSP or equivalent meeting Ford specification WSS-
M2C153-H or equivalent prior to installation to help seal and ease the 

 

2003 Ford Pickup F150 

2003 ENGINE Fuel Tank And Lines-Natural Gas - F150 Pickup

  

7. To install, reverse the removal procedure. 

Fig. 66: Installing Positional Fittings On Coalescer 
Courtesy of FORD MOTOR CO. 

installation.

NOTE:

When tightening the fuel lines, a torque wrench adapter must be used with 
the torque wrench. The use of a torque wrench adapter will alter the 
effective torque of the torque wrench being used. To correct the effective 
torque, a torque multiplication conversion must be used. Refer to TORQUE 
MULTIPLICATION CONVERSION .

NOTE:

After installation is complete, carry out the Fuel System Leak Test 
procedure. Refer to FUEL SYSTEM LEAK TEST .

 

2003 Ford Pickup F150 

2003 ENGINE Fuel Tank And Lines-Natural Gas - F150 Pickup

  

Fig. 67: Installing Coalescer/Filter 
Courtesy of FORD MOTOR CO. 

 

2003 Ford Pickup F150 

2003 ENGINE Fuel Tank And Lines-Natural Gas - F150 Pickup

  

Fig. 68: Connecting Fuel Inlet And Outlet Line To Coalescer/Filter 
Courtesy of FORD MOTOR CO. 

COALESCER FILTER ELEMENT 

Removal and Installation 

1. Carry out the Pressure Relief - Fuel System procedure. Refer to FUEL SYSTEM PRESSURE 

RELEASE .  

2. Disconnect the battery ground cable.  

3. Raise the vehicle.  

4. Remove the drain plug from the fuel coalescer/filter and discard the O-ring. 

WARNING:

The fuel system will remain pressurized after engine shutdown. This 
pressure must be relieved before servicing any part of the fuel system, or 
personal injury or property damage can result.

WARNING:

Eye protection is required when removing or installing fuel system 
components to avoid possible injury.

 

2003 Ford Pickup F150 

2003 ENGINE Fuel Tank And Lines-Natural Gas - F150 Pickup