Ford F150 Pickup. Manual — part 1330
When using a torque wrench adapter, the distance from the torque wrench drive to the adapter drive changes the
actual torque value. Apply the following formula (A x B / B - C = D) to obtain the correct torque value. Record
the torque value to be obtained as A. Measure the distance from the center of the torque wrench handgrip to the
center of the torque wrench drive. See Fig. 17 . Record this measurement as B. Measure the distance from the
center of the torque wrench adapter opening to the center of the torque wrench adapter drive. See Fig. 18 .
Record this measurement as C. Example: Multiply the torque value to be obtained A (120) by the length of the
torque wrench B (12). Subtract the length of the torque wrench adapter C (2) from the length of the torque
wrench B (12). Divide the product of A x B (1440) by the difference of B - C (10) to obtain the torque
multiplication conversion D (144).
Fig. 17: Measuring Torque Wrench Length
Courtesy of FORD MOTOR CO.
2003 Ford Pickup F150
2003 ENGINE PERFORMANCE Removal & Installation - F150 Pickup - CNG
Fig. 18: Measuring Torque Wrench Adapter Length
Courtesy of FORD MOTOR CO.
COALESCER/FUEL FILTER
Removal & Installation
1. Release fuel system pressure. See FUEL SYSTEM PRESSURE RELEASE . Disconnect negative
battery cable. Raise and support vehicle. Disconnect the fuel inlet and outlet lines from the fuel
coalescer/filter. See Fig. 19 . Remove 2 bolts retaining coalescer and remove coalescer. See Fig. 20 . For
coalescer/fuel filter element replacement, see COALESCER/FUEL FILTER ELEMENT .
2003 Ford Pickup F150
2003 ENGINE PERFORMANCE Removal & Installation - F150 Pickup - CNG
2. To install, reverse the removal procedure. After installation is complete, fuel lines and fittings must be
leak tested. Perform COMPRESSED NATURAL GAS LEAK TEST under FUEL SYSTEMS in
SYSTEM & COMPONENT TESTING - CNG article.
Fig. 19: Locating Coalescer/Filter Fuel Lines
Courtesy of FORD MOTOR CO.
NOTE:
On installation, use NEW "O" rings. Lubricate NEW "O" rings with 5W-30
motor oil.
2003 Ford Pickup F150
2003 ENGINE PERFORMANCE Removal & Installation - F150 Pickup - CNG
Fig. 20: Locating Coalescer/Filter Mounting Bolts
Courtesy of FORD MOTOR CO.
COALESCER/FUEL FILTER ELEMENT
Removal & Installation
1. Release fuel system pressure. See FUEL SYSTEM PRESSURE RELEASE . Disconnect negative
battery cable. Raise and support vehicle.
2. Remove coalescer/fuel filter drain plug, and drain filter. Reinstall drain plug with NEW "O" ring.
Remove coalescer/fuel filter. See Fig. 21 . Remove cover and discard "O" ring. Remove and discard filter
element.
NOTE:
DO NOT reuse "O" rings, always replace with NEW "O" rings. "O" rings
should be coated lightly with 5W-30 motor oil.
2003 Ford Pickup F150
2003 ENGINE PERFORMANCE Removal & Installation - F150 Pickup - CNG
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