I have an 06 dually with 143,000 on it and this past saturday my brand new belt had only 2k miles on it and it snapped... now my truck makes a noise like a pulley is out i can hear it inside the cab but only when my a/c is on if not no noise inside cab but noise still outside cab and when i shut off my truck and leave the a/c on about 3 seconds later it will make this whistling noise like pressure is being released i dont wanna bust another belt and i really need my truck for work does anyone have any idea... shop told me they couldnt find anything but its so obvious everyone else i know can hear the noise
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