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  #1  
Old 01-01-2009, 05:43 PM
 
Join Date: Jan 2009
Posts: 1
Default 2003 Galant Chronic Alternator Belt Squeal

I havea 2003 Mitsubishi Galant es 2.4L. When starting the car, more often in cold weather, the alternator/belt will squeal. Then eventually after idling long enough, the noise will quit. If i start the car with the heat on or headlights, or any other accessory using electricity, the squealing is typically worse. The first thing i did was tighten the belts, which did not work. The next thing i did was replace all belts and idler pulley for air conditioner. In a short time the squealing was back. Then i replaced the alternator, with yet another alternator belt, which was a gates belt. Upon doing this, there was little or no belt noise but then the horrible sqeaking came back. So then i replaced the battery which had no effect at all. Then i replaced the alternator again, and the belt still squeals when you start the engine with any accessories on. I have tried everything i can think of and i have never had trouble fixing this problem before on any of the hundreds of cars i have worked on. Any help or advice would be appreciated.
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  #2  
Old 01-01-2009, 07:02 PM
Senior Member
 
Join Date: May 2003
Location: United States
Posts: 1,187
Default RE: 2003 Galant Chronic Alternator Belt Squeal

probably a failing crankshaft pulley. Chances are its seperating.

either that, or you dont actually have the belt tight enough.
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  #3  
Old 01-19-2009, 01:37 AM
 
Join Date: Feb 2007
Posts: 9
Default RE: 2003 Galant Chronic Alternator Belt Squeal

Did you solve the mystery squeal, and if you did...what caused it?
I have a similar problem and have tried almost everything
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  #4  
Old 07-18-2011, 02:55 PM
Junior Member
 
Join Date: Jul 2011
Posts: 1
Exclamation

I have the same question as the guy befor me. I just bought a 2003 galant with the exact same problem. Ill start it, It sounds fine. I turn the air on and it squeels like a #$%^. Then ill turn the air back off and its fine again.

After its drivein for awhile and drivein lightly the sound stops.

Ive got 1 new belt and one old belt.

Timeing belt and serpintine.

Not sure which is which.

So in my opinion, i think its the belt that turns the ac compressor.

After i replace that ill repost and tell yall if it fixed it.
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Old 07-18-2011, 02:55 PM
 
 
 
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Tags
2000, 2001, 2003, air, alternator, belt, conditioner, galant, lancer, mirage, mitsubishi, motor, noisy, replaced, squeaking, squealing, turned


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