can hear the fan working but it doesn't blow air.
Evaporator core and heater core replaced
Fan motor and resister replaced
Stops blowing you can hear the fan but no air
The squirrel cage has come loose from the blower motor shift.
Can turn the a/c off for about 20 miles and turn it back on and it works for a while and then does it again
Oh you left that part out that it works sometimes the blower motor is getting hot and starts to spin slow so you need a blower motor.
New motor resister still does it Something is telling it to close the baffle. Fan still runs good just no air coming out of the vents.
Check the cable that operates the blend door.
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