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  1. Chevy Silverado Forum (GMC Sierra)
    Hello I have a 2009 Chevy Silverado with roughly 270,000 on the 4.8 motor.the truck is already In rough shape but the problem I am having with it is when I try to use the AC there are times it works or just makes a noise like it wants to turn on but fails.this happens when I try to use the hot...