Belt squealing while driving only

[patrarch]

Recently a belt has begun squealing only while driving. At idle, deceleration and in neutral the squealing stops. It only squeaks when I am accelerating or driving at a constant speed. Since it doesn't squeak at idle it is very difficult to figure out where it's coming from. It is a constant squeal while driving, though. Any idea what belt and why it would squeak only while driving? My timing belt/tensioners are only about 4 months old. And when my timing belt was about to break, it squeaked all the time no matter what (especially on starts) and it was extremely loud. I know that's not what this is. It's a lot quieter squeal. Anyway, thanks!

 

[u6t9]

it's either your alternator belt or your a/c belt. check the tention on both and tighten accordingly. try turning on your a/c when the belt starts squeeling and see if it stops or makes it worse. good luck

 

[patrarch]

Thanks. I'll try turning on the A/C and listening to it today when I leave work and check tension as soon as I get a chance.

Also: The rubber part of my power steering fluid line was rubbing against a pulley for an undetermined amount of time. It has a nice groove worn into the line, but luckily I caught it before it wore a hole into it. The squealing did not occur before this, though I don't know if they are related.

 

[drocks22]

My power steering belt also started to squeak before it and the A/C belt snapped, so if you haven't changed that it would be a good idea.