I start my car the air starts blowing like normal, after driving about 30 seconds to a minute the fans slowly stop running, then just cut off. If I leave the ac switched on, sometimes the air blasts right back on.... What is this???
I think you have a "variable speed resistor" problem, it's overheating. It's an electronic device usually located near or attached to the AC motor blower that controls the fan speed. This is a common problem with aging AC blowers with electronic controls.
SOURCE: 2004 pontiac gran prix gt
I would suggest replacing the blower motor resistor. When this component fails the blower will only work on one spped or none. This is a very common issue with all automotive models
SOURCE: Overheating and heater not work
there is a valve on the water pump and one on the thermostat housing open those up one at a time until you get a little bit of antifreeze come out then tighten them back up. All you will be doing is bleeding the air out of the cooling system. my car was doing the same thing after I changed my thermostat.
SOURCE: heater fan blowing intermittently or not at all
Most likely it does, if you can hit the motor and it will run. I can't say for sure but you might want to chk. to see if you got a heater blower motor resister. There located (if its got one) around the heater motor and it controls blower speeds, might be worth checking out.
SOURCE: ac vent problem
Damper/flap for driver's side is probably stuck. Try moving the selector from cold to hot several times. Also, move the recirc/outside air control if the previous doesn't work.
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