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Replaced fuel pump and now leaks at filler neck

Tiny
TIM MAXWELL
  • MEMBER
  • 1999 MERCURY COUGAR
  • 2.5L
  • V6
Leaks at filler neck replaced plastic clip why does it leak
Saturday, May 30th, 2015 AT 3:02 PM

7 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,867 POSTS
Have you checked the steel part of the filler to see if rust is an issue?
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Saturday, May 30th, 2015 AT 8:22 PM
Tiny
TIM MAXWELL
  • MEMBER
  • 4 POSTS
It's not a rust issue, I'm a mechanic it just won't seal at neck and tube bought new plastic lock ring and put it on and still leaks a lot not sure if seal in tank is bad or what can't figure out why, had tank down twice going on round three, it runs out of opening of tank and neck I just put a fuel pump in what the heck?
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Sunday, May 31st, 2015 AT 7:06 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,867 POSTS
You sound like you have the same luck as me. The only thing I can say is to start from square one. Remove the tank, identify location of leak, check for damage, imperfections, or anything that can cause it to leak. I assume it didn't leak before you dropped the tank, so something went back together wrong or was damaged.
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Sunday, May 31st, 2015 AT 7:37 PM
Tiny
TIM MAXWELL
  • MEMBER
  • 4 POSTS
Got it pulled tank and seal at gas tank neck had slipped in tank, removed pump and found it floating in bottom thanks!
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Sunday, May 31st, 2015 AT 7:57 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,867 POSTS
Glad you found it. And honestly, you do have the same luck as me. Lol

Take care.
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Sunday, May 31st, 2015 AT 8:05 PM
Tiny
TIM MAXWELL
  • MEMBER
  • 4 POSTS
Thanks for the input have a great week!
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Sunday, May 31st, 2015 AT 8:45 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
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Thanks, I hope you have a good one too.
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Wednesday, June 3rd, 2015 AT 6:56 PM

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