Worked fine yesterday; then this morning NOTHING. No air, no defrost, therefore no heat. And the car is a lease going back next MOnday!
Turn system on and tap on blower motor.
SOURCE: AC/heat/defrost functions don't work
there is a blend door and a selector door in the HVAC system. These are run by vacuum or servo motors. Sounds like this little motor is your problem. Hope this helps you.
SOURCE: 2004 Yukon Denali
This is from the A/C Module located under the dash passenger side, check wether the internal fan is working if it is, then change the Module which is a small black part with two white metal blades like... and your A/C should work again...
Aymen
SOURCE: The blower fan stopped working this morning. No
You can take a look at your fuses and see if your fuse is burnt out or if that not the case and the fuses are fine then it sound like blower motor is shot.
SOURCE: 1997 TBird-AC fan stopped working
Are you sure it isn't in the switch itself? I believe the fan is under the hook on this car but I don't have my books here to know for sure. If you disconnect the plug to your heater motor and insert a test light inside of the plug that goes to the motor you could see if you have power there with the ignition switch on and heater blower fan switch on. The motor is about $30. to $50. but I definitely would test the motor before buying another one.
SOURCE: defrost, heater fan and air won't work on my 96
just a guess but being that the rear defrost is not woking id bet ist a fuse check owners manuel or go to a local autozone or the like store as thy should check this for free hope this is helpfull.
please post response good luck
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