The squeeling is caused by friction between the belt and a pulley because it is not tight enough. In time, it will burn the area that is making contact and create a smooth polished surface so that you will never get enough tension to stop the squeel. Tighten the belt or replace it!
A worn belt will cause a squealing noise. The squealing noise is caused when the belt slips. Tightening the belt will temporarily fix the problem.
The squealing a scraping is most likely the idle pulley. i would replace that and the belt then see what happens
Serpentine belt. If its cracked, frayed, or worn replace it before it breaks or you're in for a hefty repair bill.
If you are sure it is a belt squeal and not a bearing on a pulley that is squealing, you can buy a belt dressing spray at an auto parts store.
Replace the belt.
"Squealing" is usually from the belt or brakes. use belt conditioner to stop a squealing belt.(usually sold at walmart) you can probably figure out how to stop squealing brakes. but if not they need to be replaced. people need to start reading those owners manuals the car comes with.
The belt has worn on the edges and creates friction which causes squealing. Also, sometimes when a belt is cold it will squeal.
PUT A NEW BELT ON IT
Change the belt
Yes. A vehicle can be driven with the belt squealing. Since a mechanic with a wrench and a crowbar can fix it in 2 minutes, I have no idea why anyone would tolerate it!
rub soap on the belt