I have a 2014 motor home on a Freightliner chassis. Tried the max-AC setting on the air conditioner for the first time and there was no change from the normal AC setting. I know that it is under warr...
I've always said that you're never too old to learn something and I did today, since I never gave much thought to this fan speed thing. However with my F150, running on low speed and then pushing the max air button it does run wide open until you manually lower the speed again.