2010 Suburban 1500 Whine Noise Engine Area During Acceleration/Pressing Gas Pedal

[chocolatestarfish]

Is that the a/c belt that you stretch on when install? If not then the tensioner for the a/c belt, the big serp belt and the idler should be done and do the belts at the same time. I did all mine because of the noise ears back. Fixed it.

 

[OR VietVet]

Yea, I remember now. The a/c belt is green designating it that it is stretch to fit. The tensioner and idler are typically what causes the big serp belt to be loose and make noise and if the a/c belt is also stretched too far, it makes noise as well.