I've been combing these posts for hours now trying to come up with a solution to my problem. The problem is a squealing belt which normally wouldn't be too hard to fix. The problem is that when I tighten it the car acts funny. When going around corners specifically the power light on the dash starts flickering and the engine starts fluctuating and too much of a load will turn off my radio, however the lights don't seem affected. The belts and some pulleys were replaced about 6 months ago so that shouldn't be the problem. I'm thinking it may be the alternator bearings but I am not 100% sure. Can I get some reaffirmation from someone or some other ideas. Any help would be appreciated as it's pissing me off majorly