Quote:
Originally Posted by babyduke
I don't have any special tools but the common household ones.
All vents blow same temperature air.
I turned off the car to go into the store for a bit then when started again, cooler air came out. After a couple miles, air turned warm again.
That auxiliary fan never runs.
Can cabin filter be too dirty? How do you check?
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AC work is very specialized, which requires special tools along with a knowledge of AC principles. Sounds like it's time to take it into a professional, or just drive with the windows down.
No, a dirty cabin filter will not prevent the AC from working.