F 150 Heritage 4WD Pickup V8-5.4L CNG VIN M (2004)
1. NOTE:
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Replace the fuel line O-ring seals.
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Lubricate the fuel line O-ring seals with 5W30 engine oil 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.
Follow the removal procedure in reverse order.
