Ford F150 Pickup. Instruction - part 1205

Fig. 69: Removing Drain Plug From Fuel Coalescer/Filter 
Courtesy of FORD MOTOR CO. 

5. Remove the filter housing and discard the O-ring. 

 

2003 Ford Pickup F150 

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

  

Fig. 70: Removing Filter Housing 
Courtesy of FORD MOTOR CO. 

6. Remove the filter element. 

 

2003 Ford Pickup F150 

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

  

Fig. 71: Removing Filter Element 
Courtesy of FORD MOTOR CO. 

7. Make sure the filter element adapter is in place in the upper filter housing. 

 

2003 Ford Pickup F150 

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

  

Fig. 72: Identifying Filter Element Adapter 
Courtesy of FORD MOTOR CO. 

8. To install, reverse the removal procedure.  

LINES - REAR HIGH-PRESSURE FUEL 

Removal 

1. Perform the Pressure Relief - Fuel Line Venting procedure; Refer to FUEL SYSTEM PRESSURE 

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 prior to installation to hold seal and ease the installation.

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