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My Serpentine belt on my 96 Cadillac Seville Sls came off on the hiway at 65 mph, I replaced the belt but it squealed from the get go, I have replaced the alternator and both idler pulley and pulley on the tensioner, it still squeals and now it came off again what do you suggest??

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  • 43 Answers

Your tensioner is bad, not applying enough force to hold belt, louse belts squeal, im thinkin that will get u going, best of luck

Posted on Nov 05, 2012

Testimonial: "That was indeed the problem, thank you!"

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Posted on Jan 02, 2017

m-sykes
  • 71 Answers

SOURCE: Loud squealing sound in my engine

hey

Its possibly the belt!!! did you change that to?

Damien

Posted on Aug 22, 2008

  • 1 Answer

SOURCE: 1996 jeep grand cherokee limited v8

I might not have enough information but the squeal is most likely a worn bearing. Try to isolate it with a "mechanic's stethescope" to locate the source. A pin point shot of WD-40 at the whining bearing (NO NOT put it on good bearings should TEMPORARILY quiet it IF it is a bearing. DO NOT overspray, just at the center of the pulleys...the lubricant should get pulled into bearing to confirm that the pump (power steering would be my guess) needs replacing.

Posted on Jan 09, 2009

  • 6982 Answers

SOURCE: Loud squealing sound in my engine

Try removing the belt and turning each pulley by hand. If everything is smooth and free, with the belt still off, drive down the block once and see if the noise is there (this will eliminate all rotating accessories on the front). If you hear the noise, then there is a problem deeper inside. Oil pressure is good? Dont' forget when doing this, you will have no power steering, so be careful.

Posted on Jan 17, 2009

  • 148 Answers

SOURCE: My Serpentine belt is squealing above idle

first thing you need to do is get a new belt that belt dressing just destroyed that belt that stuff is no good then get a new belt tensioner clean all the pullys with some brake clean then install the belt tensioner and belt if its still sqealing there maybe a pully making the noise to check that when you have the belt off spin them by hand and listen to them and feel for any play in the bearings

Posted on Jul 19, 2009

ourhowse
  • 2007 Answers

SOURCE: my 97 blazer squealing has been driving us crazy with a

Could it be the pulley on the AC that's squealing? Use a mechanic's stethoscope to locate the squeal. If it is the AC, you can get a belt that is shorter, and bypass the pump, since it doesn't work anyway. Try some belt dressing first. When the engine is running, just spray it on the inside of the belt.

Posted on Jan 24, 2010

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