C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

fuel pump problems?

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Old Jul 18, 2009 | 03:17 PM
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From: freeland pa
Default fuel pump problems?

ok the car runs great but after taking it around the block the pump hums like a ww2 airplane and it vibrates bad when you touch the cap. does that mean its shot? and is it hard to replace a fuel pump? can i do it myself? thanks guys...
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Old Jul 18, 2009 | 03:50 PM
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Originally Posted by burmeister
ok the car runs great but after taking it around the block the pump hums like a ww2 airplane and it vibrates bad when you touch the cap. does that mean its shot? and is it hard to replace a fuel pump? can i do it myself? thanks guys...
First, how much or how little gas is in the tank?
Second, if it is the pump going south, yes it isn´t that hard to replace it yourself, you don´t need the stealership to do it for you.
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Old Jul 18, 2009 | 04:10 PM
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From: freeland pa
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Originally Posted by vette079
First, how much or how little gas is in the tank?
Second, if it is the pump going south, yes it isn´t that hard to replace it yourself, you don´t need the stealership to do it for you.
it has a half a tank in it .. the neck and cap are vibrating real bad and the pump is humming..
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Old Jul 18, 2009 | 04:27 PM
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I'm all ears on this one also ,I pulled into my garage after a trip today and all kinds of strange noises are coming from behind the rear.

tankman
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Old Jul 18, 2009 | 04:34 PM
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And this happens when you step on it, or all the time?
How does it sound when you turn on the ignition in the morning and listen the first two seconds before you start?
And is the sound different when you turn on the ignition after you have been driving for awhile?
Checked the fuel pressure at idle and at, say 2K rpm?
Codes?
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