ok 2 posts in a day for me. oh well.

I noticed with my car, when warm, there is generally little whine from the SC. However, if I run it hard around some corner, then from that point on there is a MUCH more pronounced whine from the SC.

Anyone know why this is? I swapped out the SC fluid with some new stuff and also made sure that it was filled. But other than that I have no idea why it does this. I do like the sound, but just wondering more why it only becomes much louder after giving her some juice around some corners/on & off ramps etc.

because when you get into it your making boost

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I think i may not have been clear.
- pushing it hard on relatively straight stretches = no noticeably loud supercharger whine (ie. normal)
- Pushing it hard around sharp bends = loud supercharger whine which stays until car is turned off. Even loud whine when stopped and giving a few throttle blips. Know what I mean?

You are hearing your power steering pump. It's very common with these cars and always happens after hard corners. Add some fluid to the power steering and the noise will go away.

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3.5" MPS, 1.84 Rockers, 3" DP, Frt PEM, 39lb Injs., PowrTuner, Wizair
14.07@ 98.85mph 2.180 60'

Hmmm, i wonder why I didnt think of that...lol. I'll check it out.

I think most of us here have had that problem. I remember reading that most of the 04 models came from the factory with too little fluid in the PS pump.

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3.5" MPS, 1.84 Rockers, 3" DP, Frt PEM, 39lb Injs., PowrTuner, Wizair
14.07@ 98.85mph 2.180 60'

i have found that even on a new/reman pump that is full up that it can whine just a little.


and a simple cai/hai will let you hear it whine all the time.

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2001 white gt coupe with enough crap to make it run mid 13's with 3 bad pistons
2002 40th GTP sedan mostly stock

I see tons of grand prix's that drive by me on my walk to school/work and they are non-GTP's and yet I hear them whine like they have a smaller pulley on them, its the power steering lol!

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They may whine, but they are stock crawling junk slow.

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'04 GP CompG - 2.6" junk

I added power steering stop leak mine never whined again

Mine ran really low with no apparent leak at one point a year or 2 ago. I did the stop leak and topped it off and it has been good ever since. Still has a tiny whine to it you can hear if you listen close but it is minor and the fluid level holds fine now.

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in 06 - 08 they did away w/ gtp so gt2's were s/c's

-- Mon Nov 07, 2011 10:01 pm --



in 06 - 08 they did away w/ gtp so gt2's were s/c's

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