sounds like a pulley is on its way out
:help07 gmc 3500, i have a squeel thats sounds like a belt but its not and it wont make a sound till the truck warms up in between the rpm of 1300 - 1600 under a load only. i cant make it make a sound when the truck is sitting steel. it is driving me nuts!!!
i have put 2 new belts on and it didnt make a diff.
How's the steering/brakes?:help07 gmc 3500, i have a squeel thats sounds like a belt but its not and it wont make a sound till the truck warms up in between the rpm of 1300 - 1600 under a load only. i cant make it make a sound when the truck is sitting steel. it is driving me nuts!!!
i have put 2 new belts on and it didnt make a diff.
Did you ever locate what was causing the whine in your truck? I've been searching for a similar noise and I'm having a devil of a time trying to locate it.lol ...yes it is and i took the egr block off out about 3 week ago. so that mite be it thanks