I have a 98 Blazer, and just recently I moved to Utah from Colorado. Anyhow, the air conditioner is emitting a somewhat moldy type of smell when I turn on the car, for the first 4 minutes or so, then it cleans up and smells normal until the next time I turn on the car. I park outside but I don't know really what could be causing the smell. Is there a good way to clean out the A/C vents or anything?

Thanks,

98Blazer

 

Probably mold or junk in the vents. Make sure the drain hose from the evaporator that goes under the car is clear and free of debris.

Barring that, there are commercial chemicals that remove the moldy smell in some A/C systems.