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Gas Tank in 85 K5 pours over when I fill up...

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by Bone85K5, Sep 8, 2002.

  1. Bone85K5

    Bone85K5 1/2 ton status

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    Just recently, the last 3 or 4 times Ive filled up the K5, gas seems to pour out from the top of the tank. I try to stop the tank when I think its full but it still overflows..any ideas?
     
  2. 95 Silverado

    95 Silverado 1/2 ton status

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    Are you saying the gas comes back out the filler hole, or it's coming from the top of the tank, underneath the body?
     
  3. Can Can

    Can Can Pusher Man Staff Member Super Moderator

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    It sounds like more of a problem with the gas pump itself than your tank. Do you go to the same gas station every time?
     
  4. Bone85K5

    Bone85K5 1/2 ton status

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    It is overflowing from the top of the gas tank, not the filler. I always stop filling it once the overflow lever trips. I deff do not go to the the same gas station.
     
  5. 95 Silverado

    95 Silverado 1/2 ton status

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    If it's coming from the top of the tank, you have something leaking. Since it is most noticable when filling with gas it is probably one of the rubber hoses connecting the tank to the filler assembly or the lines that run to the front. I definitely wouldn't wait too long to get it checked out.
     
  6. BadDog

    BadDog SOL Staff Member Super Moderator Author

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    Yep, probably split a rubber hose or the clamp broke...
     

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