Squeaking noise?

[tougas]

i have had a squeaking noise coming from the belt when it is wet but after the truck runs for a few minutes it goes away. but today i have had a really annoying squeak coming from the belt around the alternator area (brand new alternator about 2 weeks) and when i sprayed belt dressing on the belt it went away but after a few minutes it came back. not sure what it could be? bad bearing?

[bigcountrysg]

Could be a bad bearing. Could be the tension pulley. Instead of spraying belt dressing on there I would sprinkle babypowder on the belt. The baby powder will absorb any and all moisture on the belt that is causing the squealing. If the belt keeps squealing then you know it is something else and not the belt.

The pulley alignment maybe off from when you installed the new alternator. This will also cause the squeal.

[badazzstroker]

take belt off and check waterpump pulley for play.i have seen those almost fall off before they will start leaking and the first sighn is a sqeaky belt and yea baby powder works well.

[toads250]

I had that kind of squeakining it was my tension pulley it was a easy fix but I am on my
4th vacumn pump though

[Koonswala]

see if the belt is on right i know dumb answer but i have done it have the belt one tooth off and it dose that