My A/C started blowing hot air intermittently the other day. Of course, the day I take it in to the mechanic it starts to work like normal. My mechanic said there were no issues he could find except maybe too much Freon in the system and the A/C froze up.
With some more testing, I learned that the blower doesn't work on the lowest speed. My guess is that the A/C froze up because the nonfunctional blower was not moving the cold air into the cabin.
- Speed 1 = NOT blowing
- Speed 2-4 = Blowing
From my online searching, it sounds like I need to replace the blower resister pack. I ordered a new part and will report back if that fixes my problem.