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High pitch noise emitting from car...

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Old 04-26-2006, 11:40 AM
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Default High pitch noise emitting from car...

It's near the exhaust, rear-end area..

It just started today. Car runs just fine.

Anyone know what it is?

2000 SS A4, LTs, catted Y, Magnaflow.
Old 04-26-2006, 11:44 AM
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...exhaust leak? sorry im not too sure... can you be any more specific on where it is coming from, is it a constant noise?
Old 04-26-2006, 11:47 AM
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Originally Posted by unSStoppable
...exhaust leak? sorry im not too sure... can you be any more specific on where it is coming from, is it a constant noise?
Constant noise, similar to a Beeeeeeeeeeeeeeeeeeeeeeeeep. Pretty loud too, it can be heard over my exhaust at idle. It seems to be right there near the muffler and pumpkin.

It does not change pitch as I hit the accelerator.
Old 04-26-2006, 01:56 PM
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It's not the fuel pump is it? Does it make the noise when you just turn the key on and it primes?
Old 04-26-2006, 02:19 PM
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It could be the fuel pump dying.
Old 04-26-2006, 02:54 PM
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Originally Posted by 2001NBMZ28
It's not the fuel pump is it? Does it make the noise when you just turn the key on and it primes?
It doesn't make that noise at all when I just turn the key on.

It sounds like an exterior noise to be honest, because of how loud it is, although it is from that area.....
Old 04-26-2006, 03:04 PM
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I'm thinking it's just a crappy fuel filter causing the fuel pump to whine. It seems to prime with no problems, and only makes the noise when the car is ON. What do you guys think?
Old 04-26-2006, 03:26 PM
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I would also like to know as my car has a whining noise from the same area. My first guess was the fuel pump was on its way out.
Old 04-26-2006, 04:30 PM
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Alright, it IS the fuel pump. The mechanic said "it's just making that noise, and it's fine". Yeah right. They want $950 to replace it....forget that crap.

I'm going to try and replace the fuel filter and see if it's the problem.
Old 04-26-2006, 05:41 PM
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Pumps are expensive, and by the book the tank needs to be dropped. I have two friends that had their sending units go bad, and a local shop cut an access panel on the rear deck to get to it. If you still have the problem after replacing the filter and need to replace the pump I'll find you the link if you decide to go that route.
Old 04-26-2006, 06:16 PM
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Replacing the fuel filter probably won't make a difference. My fuel pump was loud as hell when I first got my T/A. After a while I started having problems with the car stalling on warmer days. I ended up having to replace the pump. Many of the ones on the market seem to require some sort of modification to install them. The one I bought was simply plug-n-play. http://www.racetronix.com/RX-F99-FPKG-2.html

Replacing it isn't too bad. Just raise the back end of the car a couple feet in the air, unbolt the shocks / panhard rod / etc., lower the rear end, remove the exhaust system, drop the gas tank, and swap the pump out. Piece of cake! Air tools make it go pretty quick.
Old 04-26-2006, 07:05 PM
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Here are a few links if you want to do the access panel trick...

My brother and I did it on his 98' TA and it worked GREAT!And when your done,You would NEVER guess that there is a panel there..

Access Panel 1
Access Panel 2
Access Panel 3

The last one is on an LT1 but,it really doesn't look like it differs much..

Good luck on your install....
Old 04-26-2006, 10:49 PM
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Hmm, the noise is gone...

I'll wait to see if it does it again.




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