5.4 Fuel Pump Replacement Issues
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5.4 Fuel Pump Replacement Issues
Hi Guys,
Here's the scenario: 2000 5.4 Triton 2WD extended cab automatic with 160,000 miles died in my driveway. Checked the fuses/relays, no issue. Listened for the pump running with the key on. Nothing. Checked fuel pressure, zero. Fast forward to the bed is now off the truck and I am looking at a fuel pump in a plastic fuel tank mounted mid-ships. Top section came off, no problem. Instead of the one-piece style I was expecting based on the unit I bought at the parts house, I'm seeing part of the pump (attached to the top section by an electrical plug and two fuel lines) on the bottom of the fuel tank. No fasteners are visible on either the outside of the tank or the inside and this piece will. not. move. I've tried turning both directions, pulling straight up, prying with a tool, rocking side-to-side, etc., etc..... I'm out of answers and ideas so I'm hoping someone on the forum will have encountered this type of pump and has the key. If I've left out needed information, just let me know.
Here's the scenario: 2000 5.4 Triton 2WD extended cab automatic with 160,000 miles died in my driveway. Checked the fuses/relays, no issue. Listened for the pump running with the key on. Nothing. Checked fuel pressure, zero. Fast forward to the bed is now off the truck and I am looking at a fuel pump in a plastic fuel tank mounted mid-ships. Top section came off, no problem. Instead of the one-piece style I was expecting based on the unit I bought at the parts house, I'm seeing part of the pump (attached to the top section by an electrical plug and two fuel lines) on the bottom of the fuel tank. No fasteners are visible on either the outside of the tank or the inside and this piece will. not. move. I've tried turning both directions, pulling straight up, prying with a tool, rocking side-to-side, etc., etc..... I'm out of answers and ideas so I'm hoping someone on the forum will have encountered this type of pump and has the key. If I've left out needed information, just let me know.
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Plastic ring came off with no problem. Issue is with the "lower half" of the fuel pump, inside the tank and somehow attached to the bottom of the fuel tank. Ford dealer says to turn it counter clockwise 1/4 turn to release 3 tabs but that ain't happenin'.
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Can't say i've ever heard of the fuel pump being attached to the bottom of the tank. Maybe the floater for the tank level is caught up inside the tank? My truck had a hose inside the tank attached to the fuel pump (not quite sure what for) that i had to disconnect. Perhaps punching a hole in the top of the plastic fuel pump so you could pry it counter clockwise might work since you plan to replace the pump anyways? Usually just a flat blade screwdriver between the lip and where the pump sits breaks it free.
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New User
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Can't say i've ever heard of the fuel pump being attached to the bottom of the tank. Maybe the floater for the tank level is caught up inside the tank? My truck had a hose inside the tank attached to the fuel pump (not quite sure what for) that i had to disconnect. Perhaps punching a hole in the top of the plastic fuel pump so you could pry it counter clockwise might work since you plan to replace the pump anyways? Usually just a flat blade screwdriver between the lip and where the pump sits breaks it free.
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Joined: Jan 2015
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Well glad you got it out. Be glad you don't have a 2007 like me. I had to take a sawzall to the fuel lines as they are stated non-serviceable by the dealer. Some fuel injection hose and repair connectors and I now have serviceable lines 
. Dealer can take the 1200$ they wanted for their stupid nylon lines and stick it somewhere.
. Dealer can take the 1200$ they wanted for their stupid nylon lines and stick it somewhere.
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