2005 Chevrolet Silverado 2500 HD Q&A
2005 Chevrolet Silverado 2500 HD Question: Whistling sound in cabin varies with AC fan speed. How to reach ducting?
It sounds like you have a blend door problem in your Climate Control System. This will need to be inspected by a good Climate Control Diagnostic person. here is an article that we at RepairPal.com have constructed to help you with this process. http://repairpal.com/air-conditioning-diagnosis here are some shops: - dandd