Kia Troubleshooting Questions? Ask a Mechanic
From what you are describing here, it sounds like there is a poor connection at the blower motor or the bearings internal of the blower motor are worn and intermittently seizing and making the blower motor stop turning. The blower motor is access from under the passenger's side dash. Carefully inspect the electrical connector and wire harness for any loose, broken or damaged wires. If the visual inspection checks ok, replace the blower motor. Replacing the blower isn't a bad job at all. Definitely a job a DIY'er can accomplish. I've wrapped up the procedure to replace the blower motor into a PDF file for easier viewing/printing. Download the PDF file here: https://goo.gl/zMOiD9
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