Ford F150 Pickup. Manual - part 1206

RELEASE .  

2. Disconnect the rear high-pressure fuel line from the front high-pressure fuel line. 

Fig. 73: Disconnecting Rear High-Pressure Fuel Line From Front High-Pressure Fuel Line 
Courtesy of FORD MOTOR CO. 

3. Remove the P-clip retaining bolt. 

 

2003 Ford Pickup F150 

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

  

Fig. 74: Removing P-Clip Retaining Bolt 
Courtesy of FORD MOTOR CO. 

4. Remove the rear high-pressure fuel line. 

1. Disconnect the rear high-pressure fuel line from the fuel filler valve.  

2. Remove the rear high-pressure fuel line. 

 

2003 Ford Pickup F150 

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

  

Fig. 75: Removing Rear High-Pressure Fuel Line 
Courtesy of FORD MOTOR CO. 

Installation 

NOTE:

Replace the fuel line O-ring seal.

NOTE:

Lubricate the fuel line O-ring seal with 5W30 engine oil meeting Ford 
specification WSS-M2C153-G or equivalent prior to installation, to help 
seal and ease the 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 .

 

2003 Ford Pickup F150 

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

  

Fig. 76: Installing Rear High-Pressure Fuel Line 
Courtesy of FORD MOTOR CO. 

 

2003 Ford Pickup F150 

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