heater
 

hello i have a 2000 silverado 1500 4.8 4x4 the ac is stuck on i have no heat like i change the setings in the truck but nothing happends can anyone help me out to get heat it is geting cold here ???:mad:

probably the blend door and/or actuator

Could be, but he needs to check the a/c compressor if the clutch is engaged, if not it might be drawing in vent or outside air with it. I don't know where he is located, but it's a 105 here.

i will check all of that but maybe i wored my problem wrong its that the ac will not shut off