Quote:
Originally Posted by 16NismoTech
So the car sat from Friday night till today at 3:30, drove it and the sound came right back, same thing it only happens when moving and off the gas. ...
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I agree with the "probably a slipping belt" crowd. The belt may be worn or the idler is is not working properly. Easy to check with the hood up and someone working the throttle.
Edit: If system voltage drops when the squeal happens, it's a slipping belt (or an alternator bearing going out).