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Dropping the gas tank for new pump, what ese needs to come off first?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by shum1, Sep 6, 2002.

  1. shum1

    shum1 1/2 ton status

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    Ive got a 1990 sububan with a big tank, I need to put a new fuel pump in the tank. Does the filler hose and vent have to come off first? Thanks.
     
  2. dyeager535

    dyeager535 1 ton status Premium Member

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    Yeah, the filler hose and that other line that runs parallel to it need to come off.

    Hope that thing is near empty, chore if its even partly full!

    Don't forget you will have the ground wire and electrical plugs to disconnect before it drops very far, as well as the 3 or 4 fuel/vapor/return lines at the tank itself. Use a tubing wrench, you don't want to strip those suckers!!!
     
  3. Seventy4Blazer

    Seventy4Blazer 3/4 ton status

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    Dorian hit it on the head... but after replacing a few pumps i got "smart"...
    if you got the carpet still, and a few fab skills you can cut the floor out above the tank at the pump.
    12x12 area works, 18by 18 is more hand friendly. im not sure if you are about hacking up your bed in your 90. if it was me, yeah. id do it. then ad some metal to hold the plate in, RTV it or a better sealant. then re cover with carpet.
    next time, if ever you ahev to do it you will take a lot less time
    grant
     
  4. thebigdaddyof2

    thebigdaddyof2 1/2 ton status

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    Do yourself a favor and cut the floor.....for the next time.
     
  5. Scooter

    Scooter 1/2 ton status

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    I'll second that .. cut the floor .. did mine that way .. took about an hour start to finish.
     

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