water pump? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 03-24-2005, 09:42 PM   #1
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I have a squealing noise coming from the belt pully areas. Do you think it could be my water pump.? that would be my guess has anyone put one in and could i get a heads up on what it is and about how much.
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Old 03-24-2005, 10:52 PM   #2
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The squealing noise says that the belt is slipping on one of the pulleys. You often find belt debris like dust or rubber crumbs around the pulley that is binding, or the pulley might show signs of getting hot like a discoloration of the metal. Just release the belt and spin all the accessory pulleys by hand to see if one is binding or wiggling indicative of beariings going bad.
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Old 03-25-2005, 12:06 AM   #3
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I just did my water pump and altenator, very easy stuff and it is was worth it to me as the car goes 130 miles round trip a day!
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Old 03-25-2005, 12:18 AM   #4
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Pumps are cheap. Just don't get the standard Autozone pump. Lifetime warranty, but poop out relatively fast.

I'd have to hear the noise to know where it'* coming from.
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Old 03-25-2005, 11:34 AM   #5
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If you don't find any problem with the pulleys or bearings and your belt is still squealing, check the tension on the belt. A squealing belt with good pulleys and bearings suggests the belt is too loose. You may need a new tensioner. BTW, it is not abnormal for the belt to squeak once on startup and shutdown.
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