Check your serpentine belt or the pulleys that the belt is riding on
My 92 Bonneville did the same thing. It was the belt tensioner.
My first impression would be the serpentine belt is worn ...specifically it has "glazed" and stretched so it no longer has the ability to effectively grip the drive pulleys it spins. Typically when the serpentine belt loses "traction" it will squeal as it slips on the metal pulleys of the accessories it is designed to operate. There also may be a problem with the the tensioner ...a device used to keep proper tension on the serpentine belt. This is an easy and relatively inexpensive repair ...probably cost between $100 and $200 ...depending on whether the tensioner needs replacing.
You really need to get this fixed. If the serpentine belt fails ...it breaks or comes apart ...you will lose power steering and the water pump as the two critical accessories the belt operates. Obviously the loss of power steering can make the car difficult to drive and the loss of the water pump will cause an engine overheat condition fairly quickly. The A/C and alternator will also drop off line but these aren't as critical as the steering and water pump.
SOURCE: my 1997 mazda truck makes loud squeal sound when i
quite possibly the drive belt for alterntor etc loose or worn,try squirting wd40 onto belt when started and noise should dissapper if doses replace.
SOURCE: I have a 2006 Pontiac
This is the brakes making the noise, it may be a problem and brakes may have worn down to the warning arm which makes the same noise you are hearing. i would have the brakes checked if its due to a low pad you will do damage to the new rotors.good day.
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