Air Duct Cleaners

Air conditioning problem on semi-truck?

I Dont Bark… I YODEL asked: I have a 2004 Volvo 780 (commercial truck) with a 500 HP Cummins ISX motor. I don’t know if there are any diesel techs or air conditioning people here but maybe someone can help. Anyhow, the air conditioning system freezes up CONSTANTLY. Humid or dry, cool or hot. It [...]