My a/c (heater & Defrost) doesn't always work, could it be a fuse or the fan blower?

SOURCE: I don't have any air blowing; no defrost; no heat;

First thing to do, is check your fuse assoicated with the heating/cooling and you have any fuse that may be shorted, then check your relay box located under the hood and swap it out with another relay of the same spec, if that works then it's your relay promblem and needs replacing. If that doesn't work, I might be sure it is the blower motor resistor yourself located under passenger dash. I have a sorento, and i had this promblem with no heat/ac or air and it was the blower resitor located on top of the blower if you take the passenger compartment glove box out.

SOURCE: My blower stoped working too

i would call auto zone ask for that relay its much cheaper there.

SOURCE: heater blower motor not working

i want to fix the heater and air blower in a 2001 kia sportage. How do i do that?

SOURCE: A/C stopped working, only works slightly while car is in motion.

if you don't feel any cold air on recirc, then its not cooling. look at the a/c compressor under the hood and see if the clutch assy is engaging on it with the engine running and the a/c selector on. you either have no gas in the system or the a/c comp is bad.

SOURCE: AC blower won't come on

The problem is most likely the AC compressor clutch connector. It is a one pin connector. Located under the hood, near the clutch of the AC compressor. Clean this connector, make sure there is a good connection. I had the same problem and had to fix it myself. Works fine ever since.