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Thread: fuel leak

  1. #1
    Sr. Apprentice tommyboy's Avatar
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    Default fuel leak

    I just bought a 98 silverado z71, got it home and had to replace fuel lines, I pulled the tank and replaced everything but the filler hose and the tank.. Tank was in great shape. When i put the tank back in I have a leak when filling. Everything is tight and straight. Do i need a new filler hose or is there a gasket or advesive I am missing? didn't notice anything when I tore it apart.

  2. #2
    Legend cascott325's Avatar
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    Default

    that all depends on where exactly the leak is. look around and try to describe it to us the best you can. pictures would be best
    2000 silverado with a 5.3l v8, shorty headers, upgraded plugs, 10 mil wires, magnaflow high flow cats, flowmaster 80 series muffler(2 in 2 out) w/ 18 inch stainless silverline tips. i have a k&n CIA. its a 4x4 z71 offroad package. Ls model.
    extended cab 160k miles, truxedo low profile bed cover, diablo sport predator tuner.
    reman tranny @ 130k miles
    Chris

  3. #3
    Sr. Apprentice tommyboy's Avatar
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    Default

    the leak is where the filler neck hose connects onto the neck (pipe) on the tank. Sorry no pictures pretty tight to get a camera in there. I ordered a new filler neck hose, just wondering if there was something I was missing

  4. #4
    Legend cascott325's Avatar
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    Default

    i have never looked at the part you are talking about,so im kinda lost. when i can, i'll look at it and see what i can see
    2000 silverado with a 5.3l v8, shorty headers, upgraded plugs, 10 mil wires, magnaflow high flow cats, flowmaster 80 series muffler(2 in 2 out) w/ 18 inch stainless silverline tips. i have a k&n CIA. its a 4x4 z71 offroad package. Ls model.
    extended cab 160k miles, truxedo low profile bed cover, diablo sport predator tuner.
    reman tranny @ 130k miles
    Chris

  5. #5
    Sr. Apprentice tommyboy's Avatar
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    Default

    Thanks
    dont go out of your way, I always seem to figure these things out

  6. #6
    Sr. Apprentice tommyboy's Avatar
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    Default

    Fixed the fuel leak, needed a new filler neck hose. GM only part

  7. #7

    Default

    Glad to hear you fixed your problem! I had a similar issue on my previous truck. Yes, it was a Ford Ranger, but I had to replace the filler hose and it was over $200!! It had to be a dealer part, specially bent for the application...lame. Hopefully yours was cheaper!
    Matt
    Hallsville, TX

    2005 Silverado 1500 LS Crew Cab 5.3L 2WD
    K&N FIPK II
    Magnaflow Exhaust
    Hypertech Max Energy Programmer
    Suspension Leveling Kit
    Putco Element Window Visors
    Carriage Works Billet Grille
    TruXedo TruXport Tonneau Cover


  8. #8
    Sr. Apprentice tommyboy's Avatar
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    Default

    The fulel filler neck hose was $80 it listed for around $100. The local chevy dealer has been cutting me a break on a few things I have purchased there. The rear feed and rear return fuel lines were not cheap either.

    Oh well thats what happens when you buy an older used one. Its running now!!!!!!! Thats what matters.

  9. #9

    Default

    You're lucky - the last time I smelled gasoline whenever I filled the tank, I ended up replacing it. The tank had rusted out. So long as I kept it below half a tank it wouldn't leak...

    But I got tired of that silliness and put in a new tank (and new fuel pump and filter).
    Kirk
    Norwalk, CT

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