All
I have a noise that sounds like a altenator squeal. I have replaced the Alternator, idle tensioner pulley and bearing, power steering pump, belt and it still squeals when you give it gas. At idle it makes no noise.
If I take off the serpentine belt and there is no noise at all when I rev it up.
I am stumped on this. Any ideas.

 

Only thing left is the AC compressor...

Also, what belt did you use? I've had squeal with new belts until I fit a Goodyear Gatorback....much better than others in that regard.

 

My bad, I also replaced the ac acompressor with a 1LE AC delete pulley.
I thinking I might have to replace the tensioner for the idle pulley. That is all that is left.

 

Usually belt noise is from a belt that is not tight enough.

 

Thanks all
I replaced the tensioner itself and that fixed the problem.