Question about 1999 Buick LeSabre

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Fuel Line Leak, Need Advice

The fuel line (main feed) coming from the tank is metal, and connects via a quick connect type mechanism into a plastic line. This piece appears to be bad and is leaking fuel, at a low to moderate rate. I was considering replacing the thing with some neopreme (spelling off) hose and two clamps, however the metal line is severely rusted and may break if I touch it. The piece is hard to reach to begin with, as it is up near the tank and behind a lot of other things. A few questions....

1) Is the metal fuel line directly connected to the fuel pump (i.e. a part of it) such that if it breaks, I'd need to replace the fuel pump as well?

2) Would replacing the o-rings and quick connector instead of using a hose be a better method?

3) If 1 is not true, and I do break the line while attempting either 2 or a hose install, what should be done from there?

4) The fuel tank itself is rusted a bit - dropping it may cause damage. Is this worth it? How thick is the tank?

Posted by on

  • tip204 Jun 25, 2009

    Can it be replaced though without replacing the pump? Is it removable from the pump is what I mean. If I need to replace the pump, the car is worthless at that point - it's a 1999 LeSabre with 145K miles. Not worth much these days :P

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  • Buick Master
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Lower the tank and see what you need. It would be safer in the long run and done right. The fuel tanks are about 14 gauge and unless you just rub off the rust, there should be a concern there also. A tank can be picked up at a salvage yard for little to nothing.

Posted on Jun 25, 2009

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  • Expert
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The metal line is part of the fuel pump. if the line is that fragile it should just be replaced. what if it broke and left you stranded somewhere. the fuel tank might look rusty but it's probably just surface rust.

Posted on Jun 25, 2009

  • Aaron Murchison
    Aaron Murchison Jun 25, 2009

    there is rubber fuel injection hose that can handle the pressure. you can cut a metal line flare both ends and hose clap the hose in between if you have enough room. may want to also try a fuel tank repair putty.

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