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  1. #1

    Default Filler neck grommet

    On my '79 4-dr, the grommet is bad and has been leaking for about a week now. Thought about dropping the tank, cutting about an 1" out of the filler pipe, welding a stub to the tank, then splice the neck back with a silicone coupler.

    Thoughts?
    1979 Fairmont 4dr
    302/4R70W
    Optishift controller
    8.8"

  2. #2
    FEP Super Member TWR2003's Avatar
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    Quote Originally Posted by rxracer View Post
    On my '79 4-dr, the grommet is bad and has been leaking for about a week now. Thought about dropping the tank, cutting about an 1" out of the filler pipe, welding a stub to the tank, then splice the neck back with a silicone coupler.

    Thoughts?
    Get a new grommet.
    MF: Shoot pool Fast Eddie.
    EF: Im shootin' pool Fats. When I miss you can shoot.

  3. #3

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    Didn't think new ones were available. Do you have a link for them?
    1979 Fairmont 4dr
    302/4R70W
    Optishift controller
    8.8"

  4. #4
    FEP Super Member TWR2003's Avatar
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    Quote Originally Posted by rxracer View Post
    Didn't think new ones were available. Do you have a link for them?
    You should be able to find one new (NOS). Try the following:

    1. Call/visit local Ford dealer. They should be able to look upthe part number. Tell them the core number for the part is 9072. Even if they cant get it they have a locator that searches all dealer inventory.

    2. Call Green Sales. They stock tons of NOS obsolete Ford parts. They will also look up the part number for you if they dont have it.
    MF: Shoot pool Fast Eddie.
    EF: Im shootin' pool Fats. When I miss you can shoot.

  5. #5
    FEP Member c391d's Avatar
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    I found one at a local Ford dealer here in Ohio a couple years ago. Green Sales also shows 16 in stock. The part number was E1AZ-9072-B.

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    FEP Member ratio411's Avatar
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    Gotta get one from the dealer.
    We just recently got one.

    If you modify the inlet tube design, you will mess up the air flow when filling your car with gas, and it will take you forever to fuel up.

  7. #7
    FEP Super Member TWR2003's Avatar
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    Quote Originally Posted by c391d View Post
    The part number was E1AZ-9072-B.
    IF that is the correct number it should be easy to find one. Have the dealer double check the pn based on your car's info.
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  8. #8
    FEP Member c391d's Avatar
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    It worked on my 78. Think it was around $10.
    Last edited by c391d; 07-01-2012 at 09:03 PM.

  9. #9
    FEP Member ratio411's Avatar
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    FWIW:
    There are 2 versions for these cars.

    My son's original gas tank filler tube on his carb'd 81 Fairmont was slightly larger in tube diameter than the later LTD2 EFI fuel tank that we just recently put in. It is only like 1/8" difference, but it is enough that they will NEVER interchange.

    I have no idea if it was a year change or the difference was between EFI and carb, but just a heads up for those of you thinking about these things.

  10. #10

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    Mine has the 2-1/4" neck.
    1979 Fairmont 4dr
    302/4R70W
    Optishift controller
    8.8"

  11. #11
    FEP Member c391d's Avatar
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    Quote Originally Posted by rxracer View Post
    Mine has the 2-1/4" neck.
    The seal with part# E1AZ-9072-B that I used on my 78 had a 2-1/8 I.D. for the filler tube. The other seal I have from a 82 Fairmont has has a 1-7/8 I.D. Never saw one at 2-1/4 I.D. Your best bet is have a Dealer check for what you need.

  12. #12

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    I'm sure that's to make it fit tight.
    1979 Fairmont 4dr
    302/4R70W
    Optishift controller
    8.8"

  13. #13
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    These grommets used to be dealer only. Now they are avaiable aftermarket.

    79-81:http://www.latemodelrestoration.com/...r-Neck-Grommet

    82-97:http://www.latemodelrestoration.com/...r-Neck-Grommet

  14. #14
    FEP Super Member TWR2003's Avatar
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    Quote Originally Posted by c391d View Post
    The seal with part# E1AZ-9072-B that I used on my 78 had a 2-1/8 I.D. for the filler tube. The other seal I have from a 82 Fairmont has has a 1-7/8 I.D. Never saw one at 2-1/4 I.D. Your best bet is have a Dealer check for what you need.
    The seal expands to fit the filler pipe.

    Quote Originally Posted by DeraldRice View Post
    These grommets used to be dealer only. Now they are avaiable aftermarket.

    79-81:http://www.latemodelrestoration.com/...r-Neck-Grommet

    82-97:http://www.latemodelrestoration.com/...r-Neck-Grommet
    Those Mustang filler neck seals are not correct for Fairmont
    MF: Shoot pool Fast Eddie.
    EF: Im shootin' pool Fats. When I miss you can shoot.

  15. #15

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    I'll give the local stealership a ring tomorrow. Thanks for providing the part number.
    1979 Fairmont 4dr
    302/4R70W
    Optishift controller
    8.8"

  16. #16

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    They ordered it and will be here tomorrow. $14 plus tax.
    1979 Fairmont 4dr
    302/4R70W
    Optishift controller
    8.8"

  17. #17
    FEP Super Member TWR2003's Avatar
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    Quote Originally Posted by rxracer View Post
    They ordered it and will be here tomorrow. $14 plus tax.
    Do not use lubricant to install the seal into the tank. After it is installed in the tank coat the lip that will seal on the pipe with clean engine oil. You can also lightly coat the outside of the pipe (the portion that is inside the tank). Do NOT use any other type of lubricant.

    Good luck
    MF: Shoot pool Fast Eddie.
    EF: Im shootin' pool Fats. When I miss you can shoot.

  18. #18

    Default

    Thanks for the tip
    1979 Fairmont 4dr
    302/4R70W
    Optishift controller
    8.8"

  19. #19
    FEP Super Member TWR2003's Avatar
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    Did the dealer verify that was the correct part number (E1AZ-9072-B) for your 79 Fairmont or did you just ask them to order that number?

    Thanks
    MF: Shoot pool Fast Eddie.
    EF: Im shootin' pool Fats. When I miss you can shoot.

  20. #20

    Default

    I told him the year and model.
    1979 Fairmont 4dr
    302/4R70W
    Optishift controller
    8.8"

  21. #21

    Default

    We destroyed the one on our 24 hours of Lemons Futura so we took it to the local deal parts department and bought the closest thing they had, which was the Mustang part. The hole for the filler neck was smaller, but the outside part was about right. I cut the inner part until the filler next would go through it, then put some adhesive on the parts that would contact metal. It doesn't leak, though I'm not so sure I could get it out without destroying it.

  22. #22

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    I got the new one yesterday. The "engineering" number on it is E3AC-9072-AA.
    1979 Fairmont 4dr
    302/4R70W
    Optishift controller
    8.8"

  23. #23
    FEP Member ratio411's Avatar
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    Quote Originally Posted by TWR2003 View Post
    Do not use lubricant to install the seal into the tank. After it is installed in the tank coat the lip that will seal on the pipe with clean engine oil. You can also lightly coat the outside of the pipe (the portion that is inside the tank). Do NOT use any other type of lubricant.

    Good luck
    When we did ours, we looked up directions somewhere that said to use petroleum jelly on them.

    It's been a few months, so I don't recall the source of the info.

  24. #24
    FEP Super Member TWR2003's Avatar
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    Quote Originally Posted by ratio411 View Post
    looked up directions somewhere that said to use petroleum jelly
    That somewhere was NOT the Ford Shop Manual.
    MF: Shoot pool Fast Eddie.
    EF: Im shootin' pool Fats. When I miss you can shoot.

  25. #25

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    The new seal is in and fit great. Old one had D8AC-9072-AA. I guess the new one superceded the old part number.
    1979 Fairmont 4dr
    302/4R70W
    Optishift controller
    8.8"

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