ac

Hello folks, I’m helping a friend with his 5010HST. We’re not getting any power to the AC controls, or to the work light/ wiper switch panel on the right side of the cab. All the fuses check good, we have power on two different wires going into the relay box under the roof and no power coming...

1754 owner here, bought new in 2016. When new, the AC was really cold but lately it seems it's not as cold as when new. As a former truck mechanic, I recall that when drivers complained about their AC not being cold enough, one of the first places I checked was if the valve for the HEATER was...

I have a 2565 that I purchased in 2018. The ac has stopped blowing cold and it is absolutely miserable in the cab in this heat. I went to add some freon to it, but my gauge won't fit the ports. There are no threads on the outside of the fittings, just a radiused groove. From what I have been...