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Author
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Topic: HELP! LOUD Whining noise (2002 GT AUTO Vert)
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outlawd94cobra
SR.CITIZEN
Member # 265
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posted
 
 
Recently i've been getting this real loud constant whine from the GT. Almost sounds like a supercharger (lol), but it sounds like its coming from a pulley on the passenger side. Sprayed some WD40 on the pulleys to try and narrow it down but to no avail. No problem with the alternator or charging, the car runs fine, and no check engine light, just a loud whine when the car is on and increases slightly as the car accelerates. Anyone had this problem with their modular GT's?
Anyone think it could have something to do with the transmission? Maybe fluid? The car only has 51K on the Odometer. I know when the whine started a few (8)weeks back, it used to go away when the car was put into Neutral, now it stays in all gears. The power steering is fine too, ps fluid is full, no noise when the wheel is turned too.
[ June 24, 2005, 09:39 AM: Message edited by: outlawd94cobra ]
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CRYSTAL WHITE 1994 COBRA; TOTALED
RIO RED 1994 COBRA INDY PACE CAR; SOLD(now in VACAVILLE)
(#18 of 1000)
BLACK 2002 GT Vert' AUTO; GONE!
Posts: 635 | From: Stockton, CA | Registered: May 2001
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Joooestang66
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Member # 2828
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posted
Remove the serpintine belt, run the engine and see if the noise is still there. That will help eliminate if it is an accessory drive noise or a base engine/transmission concern. I'd go to Kragens and pick up an automotive stethescope (like $5). Use the rubber hose end of it to probe around the engine to help pin point the noise.
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"Don't Drive Faster Than your Guardian Angel Can Fly..... Well My Guardian Angel Can Fly Pretty Fuc*ing Fast!!!"
Posts: 581 | From: Elk Grove | Registered: May 2003
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Wildfire532FB
CAFords OG
Member # 1482
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posted
On my Jeep i have the same problem, can't figure out what it is. Mine sounds exactly like a blower though and it only does it when i floor it. I don't have any vacuum leaks so i don't know where to look ![[Frown]](frown.gif) My engine is a 92 5.0L though.
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68 Fastback
84 CJ7
94 HMMWV
95 GT
03 F350
17 Fusion Hybrid
Posts: 17578 | From: 530 | Registered: Jun 2002
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BlacksheepMod50
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Member # 2378
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posted
I have that whine.. Its my transmission. You can check to see if it is your transmission by parking your car, throwing it in neutral, and reving the engine slowly. If you still hear the whine, CHANCES are it has to do something with the engine, if there is no whine, then most likely its coming from your transmission/drive shaft area.
Any other ideas guys?
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98 4.6, stroked to 5.0, all forged, 11:1 comp, cams, LTs, Tubular K-member & A-Arms, Coilovers, Saleen rims, 99+ mani., ported F150 heads. And more..
Posts: 288 | From: Fair Oaks (Sacramento) | Registered: Jan 2003
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outlawd94cobra
SR.CITIZEN
Member # 265
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posted
After checking it out some more and getting more advice from thecorral.net it might be that my bearings on my idler pulley are shot and needs to be replaced. I'll let you know once its replaced if that was the exact problem.
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CRYSTAL WHITE 1994 COBRA; TOTALED
RIO RED 1994 COBRA INDY PACE CAR; SOLD(now in VACAVILLE)
(#18 of 1000)
BLACK 2002 GT Vert' AUTO; GONE!
Posts: 635 | From: Stockton, CA | Registered: May 2001
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BLK02GT
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Member # 5653
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posted
yes its the bearing on the idler..
i had the same problem on my 97... ![[Big Grin]](biggrin.gif)
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2019 Ford Expedition Limited
2002 Ford Mustang GT
Originally Member #4241
Posts: 1247 | From: Tracy, ca | Registered: May 2005
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droptp50
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Member # 5546
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posted
i had the same problem but it turned out to be connected to my stereo somehow like a wire was touching somthing or just old shity wires when i turned off my cd player the sound stoped
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91 gt vert - sold
89 lx hatch
Posts: 174 | From: north bay | Registered: Apr 2005
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1FAST89GT
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Member # 5071
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posted
i had that problem before and it was the alternator
Posts: 4915 | From: VALLEJO | Registered: May 2004
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outlawd94cobra
SR.CITIZEN
Member # 265
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posted
quote:
Originally posted by Red00GT:
yes its the bearing on the idler..
i had the same problem on my 97...
One last stupid question: would i be replacing with the "Idler Assembly Pulley: Flat" or "Idler Assembly Pulley:Grooved" ? Those were what I came up with from Partsamerica.com (Kragen/Chucks/Checkers) It just seems to be cheaper if i replaced it myself since my warranty deductible is 200.00 and between those two pulleys its only $16 & $36.
Or should i just get an OEM pulley @ the dealership and pay double to three times the amount?
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CRYSTAL WHITE 1994 COBRA; TOTALED
RIO RED 1994 COBRA INDY PACE CAR; SOLD(now in VACAVILLE)
(#18 of 1000)
BLACK 2002 GT Vert' AUTO; GONE!
Posts: 635 | From: Stockton, CA | Registered: May 2001
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94gt
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Member # 3060
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posted
just go to ford and tell them you are looking for a part/ part number and want to see what they have it listed as. Ive done that a few times.. usually they print a pic up and give it to me too ![[patriot]](graemlins/patriot.gif)
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2020 Explorer ST
2011 Silver Raptor 'Screw
Posts: 5777 | From: Beavercreek, OH | Registered: Jul 2003
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BLK02GT
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Member # 5653
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posted
94GT is right..go to ford let them look up the part number and everything...
i couldnt tell you about the 2 idlers you found..i had ford replace mine..the part alone from Ford was i believe $75 thats the idler and bearings. Just buy the part from Ford..since it is OEM..an aftermarket part like that could make u run into problems. As in bearnigs going out again. i just went to Ford..
Get the OEM stuff for replacements
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2019 Ford Expedition Limited
2002 Ford Mustang GT
Originally Member #4241
Posts: 1247 | From: Tracy, ca | Registered: May 2005
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Rickster
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Member # 962
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posted
One is probably for a standard rotation water pump, and the other for reverse rotation. Just look at the one on the engine now...I think most are not grooved (run on the back side of the serpentine belt).
HTH
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1965 ACCobra Replica (FFR MKll)
w/ 1992 LX convert. running gear
Planning ahead for that midlife crissis!
Posts: 131 | From: Cedar Ridge | Registered: Mar 2002
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outlawd94cobra
SR.CITIZEN
Member # 265
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posted
OK, finally had the chance to go order the two pulleys from Ford today after a long 3 weeks remodeling and moving. The inner (grooved) and outer (flat) idler pulleys. The total after my homey love discount from my buddies @ Ford came out to just under $50.00 total. Parts come in tomorrow afternoon and I should have them replaced by tomorrow evening. I'll let y'all know who was right......Thanks again for the help.
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CRYSTAL WHITE 1994 COBRA; TOTALED
RIO RED 1994 COBRA INDY PACE CAR; SOLD(now in VACAVILLE)
(#18 of 1000)
BLACK 2002 GT Vert' AUTO; GONE!
Posts: 635 | From: Stockton, CA | Registered: May 2001
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outlawd94cobra
SR.CITIZEN
Member # 265
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posted
Well, turned out to be the inner (grooved) idler pulley with the bad bearings. Since i had both, i replaced the inner & outer idler pulley's. Back to normal again...now i can stop lying and saying "its my supercharger." ![[Smile]](smile.gif)
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CRYSTAL WHITE 1994 COBRA; TOTALED
RIO RED 1994 COBRA INDY PACE CAR; SOLD(now in VACAVILLE)
(#18 of 1000)
BLACK 2002 GT Vert' AUTO; GONE!
Posts: 635 | From: Stockton, CA | Registered: May 2001
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