Have you checked the diverter doors under the dash??
It sounds like a vaccum hose may have fallen off your vent controller.
I have had similar problems and found that the air WAS moving, but it was all going up through the defrost vents at the windshield.
A quick check of the vac. lines showed that one under the glove box was pulled off.
with the engine running, try setting the air settings to all the options ( vent/floor/defrost..etc..)
See it you can feel or hear the diverters moving under the dash..
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Hi, when it comes to vehicle air conditioning I advise taking it to a
professional with the appropriate experience/qualification...I have heard instances of individuals being blinded by freon.
If your blower only works sometimes might be that the compressor has issues.
Ac is not blowing out cold air. You have to put gages on the system and it shows its has freon.Checked all fuses and relays. The two fans in engingine compartment do not come on when the ac is turned on but does when the engine gets hot. The compressor engages when turned on also. If the magnetic clutch engages the compressor and still no cold air could be still low in freon or the HVAC unit.
Blower motor not working all the time...if I bang the dash near the glove box, it comes on then works great. Is this the switch assembly, the resistor problem, or should I be replacing the blower motor?
> With the control set 1 2 3 4 it does blow any air, ? does NOT? A common problem with this control is the failure of a stepped resistor which causes only the highest speed to still function since this bypasses the resistor. Tracing the leads from the fan speed switch may help locate it.
If the blower motor is still working, that was not the problem-the strange smell might have been from some bacteria in the plenium, and the smoke may have just been the result of condensation from the evaporator in the plenium-keep an eye on it, but if the blower is working, I would not be overly concerned about it.
Sir: It sounds like the blower motor is not working. If all fuses are good for the HVAC (Heater Air Conditioning) system then it could be an inoporative blower motor or a blower motor module, you can ddo this by using hot wires to see if blower motors (one hot wire 12V) (and one negative) ground wire. If motor runs, the module may be bad provided all electrical connectors are tight