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#1
07-14-2004, 04:15 PM
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HELP! Sound from '00 Chevy Silv.
I have a 2000 Chevy Silverado and recently it has been making an odd sound. It's not really a bad sound, it's more of an annoying sound and makes me curious as to what it could be. It can only be heard outside the truck, not inside, and is loudest where the bed meets the cab, and underneath the front tire well. It is a constant whirring sound, kind of like a bumble-bee or a fly. Please help!!!
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#2
07-15-2004, 09:51 AM
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Re: HELP! Sound from '00 Chevy Silv.
Fuel pump. Get it fixed. My friend's 2000 was doing this, I noticed it, told him what it was, he said OK, then 2 weeks later he got towed because it went out. If you can get under the truck I'll bet you dollars to donuts that the sound is actually coming from inside the gas tank, where the pump is.
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Steve 2004 2WD 5.3 Xcab StepSide 
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#3
07-15-2004, 10:28 AM
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Re: HELP! Sound from '00 Chevy Silv.
Yea, you're right, i had to take my truck in last night for an alignment and i asked him what that sound was and he said the same thing as you. But he also said that it was normal and nothing to worry about.... should i get a second opinion or what?? I don't want it to break down on me.
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_______________________ 2000 Chevy Silverado 1500 Standard Cab, Short Bed 4X4 Perfection is SOO hard to strive for.... especially when you're already there. 
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#4
07-15-2004, 10:52 AM
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How many miles are on the truck ?? Did it just start making the noise ?? If it just started making the noise it could be cause for concernHowever it could be just a fuel filter restricting flow. When is the last time the fuel filter was changed ?? Some pumps are just naturally noisey while others are not. I had 160k + on mine and it was almost always noisy and I actually replaced it because the fuel gauge quit working. I put in a GM pump and it is noisy too. Some people buy Marvel Mystery oil and put some in the gas tank and claim it helps. Two things that are hard on and will shorten the pumps life are not changing the fuel filter and running the tank down into the red on the gas gauge because the flow of fuel lubricates the fuel pump and with low or restricted fuel the pump gets hot. One other thing is if it does need a new pump no matter what anyone says, Buy a GM pump (AC/DELCO). If the pump stops working when you are out somewhere and the truck doesn't start , First listen for the pump (even if it is a new pump you will still hear it) if there is no noise go under the truck and bang the tank. Many times this will get the pump to start one last time, Just don't shut the truck off until you get there. This is probably more info than you care to read, But I tend to get on a roll.
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