F 150 4WD Pickup V8-5.4L CNG VIN M (2001)
4. Remove the drain plug from the fuel coalescer/filter and discard the O-ring.
5. Remove the filter housing and discard the O-ring.
6. Remove the filter element.
7. Make sure the filter element adapter is in place in the upper filter housing.
INSTALLATION
1. To install, reverse the removal procedure.
NOTE:
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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.
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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.
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After installation is complete, carry out the Fuel System Leak Test procedure. See: Testing and Inspection/Fuel System Leak Test/Standard
Models (Non Bi-Fuel)
