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Joined: May 2002
Posts: 2,007
Hard-core CEG\'er
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Hard-core CEG\'er
Joined: May 2002
Posts: 2,007 |
Could be alternator. When alternators go they can make a loud whining/whirring noise, it does in fact sound a lot like a S/C.
1998 Mystique LS:
-2.5 Duratec ATX
-Vibrant White
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=Pics=
=Info=
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Joined: May 2003
Posts: 604
Veteran CEG\'er
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Veteran CEG\'er
Joined: May 2003
Posts: 604 |
mine does it too but i was always under the impression that it was the fidanza flywheel...maybe im hearing something else. i got the invisble turbo syndrome when i had a bad gasket between ypipe and catback a couple years back...that was cool 
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Joined: Jul 2003
Posts: 375
CEG\'er
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CEG\'er
Joined: Jul 2003
Posts: 375 |
Solution... simple.
Remove the serpintine belt... start the engine... did the noise go away?
If it did, inspect each of the pullies. Replace/repair problems found.
If it did not... be afraid. Very very afraid. 
96 LX 3.0L MTX - Black/Tan
K&N; 12lb F/W & uprated clutch
2.5" Pipe; SVT bits; Mystery Mod; Pull-tie Mod;
UN-tuned Mod; 3rd Gear Synro-Crunch Mod
280K on the Shell, and 40ish on the Motor... 1/4 mile??
Yeah, it's a fun daily driver...
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Joined: Mar 2002
Posts: 2,440
Hard-core CEG'er
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Hard-core CEG'er
Joined: Mar 2002
Posts: 2,440 |
i got the noise too, a friend actually thought it was a charger. at least your clutch doesn't click like mine. apparently it's common on spec stage II clutches
"What did you think about that Dorothy girl?"
"The whole Judy Garland thing kinda turned me on. That doesn't make me some sort of fag does it?
"Nah baby, your money."
98 Black SVT #3560 of 6535
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Joined: Jan 2003
Posts: 12
New CEG\'er
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New CEG\'er
Joined: Jan 2003
Posts: 12 |
Originally posted by touredon:
Solution... simple.
Remove the serpintine belt... start the engine... did the noise go away?
If it did, inspect each of the pullies. Replace/repair problems found.
If it did not... be afraid. Very very afraid.
So, I've been trying to figure this out for the last week. I was pulling away from a stop light and probably brought her up to 5k rpm's in 1st, then dropped her into second and noticed a strange mid-higher pitch whine that was variable with the engine. I've pulled the main belt off and it's still there, and even pulled the water pump belt for a couple seconds and it was still there. I'm guessing that I could be in trouble here since the cause is not belts or assesories. Any ideas on what it is?
'99 SE Sport 2.5 MTX - every option
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Joined: Feb 2004
Posts: 345
CEG\'er
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CEG\'er
Joined: Feb 2004
Posts: 345 |
Mine made a sound like this; it was coming from the air in-take box. The top was not closed all the way, some of the clips are missing from it. Most likely not the same sound that yours is making but you might want to check.
"I guess of all my uncles, I liked Uncle Cave Man the best. We called him Uncle Cave Man because he lived in a cave and because sometimes he'd eat one of us. Later on we found out he was a bear"
http://www.cardomain.com/ride/586498/1
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Joined: Jul 2000
Posts: 2,382
Hard-core CEG\'er
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Hard-core CEG\'er
Joined: Jul 2000
Posts: 2,382 |
Originally posted by tjbugs1:
Mine made a sound like this; it was coming from the air in-take box. The top was not closed all the way, some of the clips are missing from it. Most likely not the same sound that yours is making but you might want to check.
Oh yeah, that could be it. I have a K&N and that increased airflow could be a source of a whine like that. Maybe in concert with the stock airflow resonator (that piece behind the front left wheel).... Good thinking!
"Fear is the little death."
Muadib.
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Joined: May 2003
Posts: 284
CEG\'er
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CEG\'er
Joined: May 2003
Posts: 284 |
Nah, my SVT whistles at 1/2 throttle too (i thought it was the intake tube getting stuck on that rubber piece in the fender, but now i just think its imperfections in the throttle plate). It's not that, it's a distinct roots blower sounding whine. I think it's the DMD, im gonna try taking the belt off to see if it goes away.
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Joined: Jan 2003
Posts: 12
New CEG\'er
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New CEG\'er
Joined: Jan 2003
Posts: 12 |
Thought of that too, since my air box is missing one clip. I already opened it up all the way and there was no difference, then I held it closed and the same. I just want to know if I'm going to wreck something by driving it.  From what some people have told me, bearing noise is usually a low pitch sound not the one I have.  So, would I be safe driving it? Maybe I'll bring it by a garage and see if they can hear my mystery sound.
'99 SE Sport 2.5 MTX - every option
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Joined: Jun 2002
Posts: 1,051
Hard-core CEG\'er
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Hard-core CEG\'er
Joined: Jun 2002
Posts: 1,051 |
my car too makes the sounds of an F/I car, it had started doing that after I put on the new intake and went for a long drive(San Fransico to Los Angeles)
Built April 18th 1998 #5770 of 6535
Reborn: July 11, 2004 3L and gone again 12/13/2005
new ride: 98 Silver frost SVT with all my old goodies!!!!
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