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How to change a fuel pump in a 99TA?

This is a discussion on How to change a fuel pump in a 99TA? within the General Help forums, part of the LSx Technical Help Section category; like the title says i need help. any how to sites? can i do it myself? im pretty resorceful and ...

  1. #1
    Junior Member
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    silver
    99 Trans Am

    How to change a fuel pump in a 99TA?

    like the title says i need help. any how to sites? can i do it myself? im pretty resorceful and could get it done. but i need help...
    and what is the right pump? electric? mechanical? i need a quick fix b/c im selling my car, so i dont need a high flow pump... whats is the right lpm pump? like 150? 200?

    help Please and thank you!

  2. #2
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    Are you absoultely sure it's the pump? The correct way is to drop the tank, but you can also cut an access panel on the rear deck to get to it - then patch it.

  3. #3
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    silver
    99 Trans Am

    no im not positive but the pump is running at 48psi or lpm whatever they rate it at, and im told and they told me that its suppose to be at 55-60

  4. #4
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    Yeah, should be about 58. Have you tried replacing the fuel filter? Pressure regulator OK? Just thinking check everything before going through replacing it. I know two people that went the access panel method, beware if you find a link on how to do it the measurements are a little different on the '98 model because the tank is different.

  5. #5
    Slow'er'Ass Mr. Luos's Avatar
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    Red Tint Jewelcoat
    2008 Trailblazer SS

    Drop tank.
    Pump should have instructions from there.

    Upgrading?? Racetronix has a solid kit that can support a lot of power, and works GREAT with stock and near stock set-ups. Better than the stocker since it gets a constant voltage.

  6. #6
    Life in the Fast lane sunsetorangess's Avatar
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    Met. Sunset Orange
    01 SS

    Its suppose to run at 55-60 psi
    http://www.taekwondoplus.org/z28/fuelpump.html
    Theres a link to gain acess from the hatch.
    I also have instructions to do it the "correct" way if ya want.
    J
    2001 SS, Its not the car its the Driver that matters....

  7. #7
    Member crazy dave ls1's Avatar
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    red
    2002 z/28

    its tough without a lift.get the back of the car as high as you can get it. remove the lower shock mounts(make sure you have a floor jack under the axle) lower the axle,move the exhaust out of the way then lower the tank

  8. #8
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    Pewter
    2000 Camaro

    Quote Originally Posted by crazy dave ls1 View Post
    its tough without a lift.get the back of the car as high as you can get it. remove the lower shock mounts(make sure you have a floor jack under the axle) lower the axle,move the exhaust out of the way then lower the tank
    I did it on my 2000 camaro the other day and you have to do all that and you may have to remove the pan hard bar and brace to slide it out...not sure on a TA

  9. #9
    Veteran 0rion's Avatar
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    98 Formula
    06 duramax

    yep, panhard bar and brace will have to come out. You'll also have to watch the brake lines and make sure you don't stretch those to much. They mount on the drivers side. You can take the bolt out of that bracket and that'll give you a little more length on the brake lines.

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