
The 2005 F150 is a Ford F-150 model, which is known to have a common problem with its fuel filler door. The doors can become floppy due to a cheaply made piece of metal that serves as a spring to keep the door either fully closed or fully open. This can be fixed by removing the fuel cap and taping off the opening to the filler neck to prevent dust and other debris from getting into the gas tank. The fuel tank filler neck is held to the housing by three bolts, which can be removed with a 7mm socket. The fuel door can then be replaced and reinstalled on the new hinge. This installation takes about five minutes to complete using a screwdriver.
| Characteristics | Values |
|---|---|
| Difficulty | Easy |
| Time | 5 minutes |
| Tools | Screwdriver, 7mm socket |
| Cost | Cheap |
| Fuel cap | Remove and hang |
| Filler neck | Tape off the opening |
| Filler neck bolts | 3 x 7mm bolts to be removed |
| Filler neck bolts | Reinstall with WD40 or PB Blaster for rust prevention |
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What You'll Learn

Removing the fuel cap
The fuel door can then be replaced. Line the fuel door up to the contact point on the housing, fitting the little edge between the two L-shaped pieces of plastic. Slide the door in the direction of the arrow, then towards the body of the truck so that it locks into place.
Re-installation is the reverse of removal. Insert the cubby end/west end first, aligning it as needed, and push it into place firmly until it snaps in. Re-install the 7mm bolts, coating them in WD40 or PB Blaster for rust prevention if desired. Pull the filler neck with your index finger and thumb until aligned.
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Removing the bolts holding the fuel tank filler neck to the housing
To remove the bolts holding the fuel tank filler neck to the housing, first remove your fuel cap and hang it. Then, using a 7mm socket, remove the three bolts. You can then tape off the opening to the filler neck to prevent dust, screws or other debris from falling into your gas tank.
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Taping off the opening to the filler neck
To do this, first remove your fuel cap and hang it. Then, use a 7mm socket to remove the three bolts holding the fuel tank filler neck to the housing. Once these bolts are removed, you can pull the filler neck with your index finger and thumb until it is aligned.
Next, take some tape and carefully cover the opening to the filler neck. Make sure the tape is secure and that there are no gaps for debris to fall through.
By taping off the opening, you can proceed with the rest of the replacement process without worrying about any contaminants getting into the gas tank. This will help ensure a smooth and safe installation of your new fuel filler door.
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Re-installing the new hinge
To re-install the new hinge, you'll need to reverse the removal process. First, insert the cubby end/west end first, aligning it as needed and pushing it into place firmly until it snaps in snug once it slides in. Re-install the 7mm bolts, coating them in WD40 or PB Blaster for rust prevention if you prefer. Pull the filler neck with your index finger and thumb until aligned.
You can then line the fuel door up to the contact point on the housing, making sure the little edge fits between the two L-shaped pieces of plastic on the housing. Slide this in the direction of the arrow, then slide the fuel door towards the body of the truck so that it locks into place.
The whole process should take about five minutes and can be done with just a screwdriver. You can also avoid dealer fees by doing it yourself.
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Aligning the fuel door to the contact point on the housing
To align the fuel door to the contact point on the housing, you will need to line the fuel door up to the contact point on the housing. Make sure the little edge fits between the two L-shaped pieces of plastic on the housing. Slide the fuel door in the direction of the arrow, then slide it towards the body of the truck so that it locks into place.
You can also study the old and new housings together. Re-installation is the reverse of removal. Insert the cubby end/west end first, align it as needed, and push it into place firmly until it snaps in snug once it slides in.
The whole process should take about five minutes and can be done with a screwdriver.
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Frequently asked questions
It takes about five minutes to replace the fuel filler door on a 2005 F150.
You will need a screwdriver and a 7mm socket.
Before you begin, remove your fuel cap and tape off the opening to the filler neck.











































