F 150 4WD V8-5.4L Flex Fuel (2008)
Fuel Line Coupler: Service and Repair
Spring Lock Couplings
SPRING LOCK COUPLINGS
Special Tool(s)
Special Tool(s)
Disconnect - Type I
WARNING:
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Do not smoke, carry lighted tobacco or have an open flame of any type when working on or near any fuel-related component. Highly
flammable mixtures are always present and may be ignited. Failure to follow these instructions may result in serious personal injury.
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Before working on or disconnecting any of the fuel tubes or fuel system components, relieve the fuel system pressure to prevent accidental
spraying of fuel. Fuel in the fuel system remains under high pressure, even when the engine is not running. Failure to follow this
instruction may result in serious personal injury.
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Do not carry personal electronic devices such as cell phones, pagers or audio equipment of any type when working on or near any
fuel-related component. Highly flammable mixtures are always present and may be ignited. Failure to follow these instructions may result
in serious personal injury.
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When handling fuel, always observe fuel handling precautions and be prepared in the event of fuel spillage. Spilled fuel may be ignited by
hot vehicle components or other ignition sources. Failure to follow these instructions may result in serious personal injury.
CAUTION:
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Fuel injection equipment is manufactured to very precise tolerances and fine clearances. It is essential that absolute cleanliness is
observed when working with these components or component damage may occur. Always install plugs to any open orifices or tubes.
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When reusing liquid or vapor tube connectors, make sure to use compressed air to remove any foreign material from the connector
retaining clip area before separating from the tube or damage to the tube or connector retaining clip may occur. Apply clean engine oil to
the end of the tube before inserting the tube into the connector.
1. Release the fuel system pressure.
2. Disconnect the battery ground cable.
3. Remove the fuel tube safety clip.
