For the last few weeks I've noticed a squealing / squeaking noise while I'm at low speeds or idle...for example it's really bad while waiting in line at a drive thru when I move up at a slow speed.

No noise noticed while actually engaging the brakes though.

 

Sooo this isn't motor squealing or squeaking this is your brakes your talking about?

 

Dry output shaft seal. Irritating, 'taint it?! :>)

Allan

 

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What year is the truck?

Louis
GM Customer Service

 

It's not the engine.....2005

 

I'm just throwing this out. Could it be a loose fan belt?

 

Hello I'm a newbe to this forum so here goes I chased a low speed squeal for a couple of days .Belt,Belt tensioner,idlers, waterpump and what it was is bad rear bearing in altenator!!