F 150 Heritage 4WD Pickup V8-5.4L CNG VIN M (2004)
1. NOTE:
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Install a new fuel line face seal O-rings.
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Lubricate the fuel line O-ring seals with Motorcraft Super Premium SAE 5W-30 motor oil X0-5W30-QSP meeting Ford specification
WSS-M2C153-G or equivalent prior to installation to help seal and ease the installation.
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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.
To install, reverse the removal procedure.
2. Carry out the Fuel System Leak Test procedure. See: Testing and Inspection
