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#1
05-28-2008, 02:04 PM
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Weird Noise, comming from pulley.
Whats up guys, seems like i have a new problem everyday lol. Ok, for the past few days I am hearing a strange noise from the front part of my engine on the pulley side, it seems to increase as i hit the gas a bit. So I thought ok, the tensioner pulley is gone or going because that is where i hear the noise. So I went to Napa and got one and when i took the old one off it had "play" and you could hear the bearings spinning, so I thought awesome...that must be it. Well I got the new one on and the noise is still there, visually it all looks fine so I dont know what else it could be. Its not all the time i get it and it seems to get worse as the car heats up a bit. Any ideas? ps. I know my alternator belt looks like it needs to be replaced so could that be it? thanks ~Joe
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2000 GRAND PRIX GTP RED 14.345 @97.8mph ubend delete 3in jimmyC downpipe magnaflow high flow cat Joeflo CIA (made it myself) free bypass mod 3.4 pulley from zzp Gates premium belt 1 step colder plugs zzp PCM ss 409 xl turbo mufflers 
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#2
05-28-2008, 02:38 PM
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Re: Weird Noise, comming from pulley.
IT could be a belt slipping, or it could be the bearings in the alternator or other belt driven item.
__________________
 Still waiting for the "good old days" I'll get to bore my future grandchildren with!
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#3
05-28-2008, 02:48 PM
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Re: Weird Noise, comming from pulley.
What about the water pump, before mine went out it was making a weird sound.
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#4
05-28-2008, 03:16 PM
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Re: Weird Noise, comming from pulley.
Well the noise seems to be coming from right where the tensioner is or slightly underneath it...but it definetly in that front area. thanks guys.
__________________
2000 GRAND PRIX GTP RED 14.345 @97.8mph ubend delete 3in jimmyC downpipe magnaflow high flow cat Joeflo CIA (made it myself) free bypass mod 3.4 pulley from zzp Gates premium belt 1 step colder plugs zzp PCM ss 409 xl turbo mufflers
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#5
05-28-2008, 05:27 PM
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Re: Weird Noise, comming from pulley.
okok..I made a video of it..now its not the whoosh whoosh noise...the buzzing is the one that is loud, so if anyone knows what this buzzing is please post..
http://tinypic.com/player.php?v=jshvsh&s=3
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2000 GRAND PRIX GTP RED 14.345 @97.8mph ubend delete 3in jimmyC downpipe magnaflow high flow cat Joeflo CIA (made it myself) free bypass mod 3.4 pulley from zzp Gates premium belt 1 step colder plugs zzp PCM ss 409 xl turbo mufflers
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#6
05-29-2008, 01:48 AM
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Re: Weird Noise, comming from pulley.
Have you taken both belts off and spun each pulley by hand to feel for roughness?
Can even run the car for a little bit without the belts just to make sure the noise isnt present without the belt. Just to verify it is a pulley noise.
__________________
-2000 Grand Prix GTP 170,000mi (daily driver) -2000 Olds Alero 100,000mi (soon to be DD with gas at $3.45/gal) -1997 Chev K1500 4x4 115,000mi (Natalie's truck [nans_grandprix]) AF "2.0" Community Guidelines Conservative Victory 2012!!! "I'll Keep my Guns, Freedom, and Money. You can Keep the Change!" ----->>>>> Did You Know? <<<<<-----
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#7
05-29-2008, 03:55 PM
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Re: Weird Noise, comming from pulley.
ok, just to update my thread. I had fixed the tensioner and it didnt help so I was thinking water pump after someone had told me that it could be going. So I bought one yesterday for $42, on my was home I heard a slight boom and the boost guage was reading 8psi, so I thought ohh sh@t. I pop the hood and my idler next to the crank was gone burned off or shredded. So I bought a new one and it was a pain getting the allen screw off but I did it and now the noise is gone and all is good boost guage back at 10-11psi. So thanks for the help. ~Joe
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2000 GRAND PRIX GTP RED 14.345 @97.8mph ubend delete 3in jimmyC downpipe magnaflow high flow cat Joeflo CIA (made it myself) free bypass mod 3.4 pulley from zzp Gates premium belt 1 step colder plugs zzp PCM ss 409 xl turbo mufflers
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#8
06-09-2008, 12:33 AM
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Re: Weird Noise, comming from pulley.
I got the exact same noise for my 1996 G20. So do you say it was from the water pump? Thanks.
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