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Re: fuel pump
I agree that it almost never makes sense to install a used fuel pump. And
that is based on having done this a few times. However, if you must do it,
make sure that the pump internals are still immersed in fuel when you remove
it from the car, and if you have to store it for a while, figure out a way to
keep the pump full of gasoline. Once it has dried out, the plastic seals
and parts will shrink and you might as well throw it away.
> There seems to be a loud hummmmmmm comming from the trunk/gas tank area
> of my 88 5000q. I suspected it was the fuel pump and had it checked out
> by my local mechanic. He said that the pressure was ok,although I should
> get it replace as when they go i come to a dead stop. Given the high price
> for this item plus labor to put it in, would buying a used one from
> a junk yard make any sense?
> Replacing a used/worn-out park with a used/worn-out/unknown-history part
> has always struck me as penny-wise/pound-foolish (obvious exceptions do
> exist: friend rolls/totals his car, sells you brand-new-only-500-miles
> pump for half price, etc.). Especially such a both critical- and trouble-
> prone part as the fuel pump. Would you put a used/unknown-history clutch
> in your car? Would you rebuild the engine with used pistons and rings?
> Especially considering the labor costs (amortizing of labor over shorter
> lifetime of used/questionable parts)!
> Non-wear items like window-glass, suspension arms, fenders and sunroofs,
> etc. are different...as quick examination can usually tell a good piece
> from total trash, bent out of shape, etc.
> My opinion...