Originally Posted by soupbowl
2004 ram 2500 5.7l with climate control ( driver & Passenger slide temp controls) Ac works fine while truck is idling but during normal acceleration ac blows humid air, checked freon low pressure side it is @ 35 psi @ 75degrees on the AC Pro fill gauge. I think it might be a vac leak but dont know where to start checking or if it might be something else???
Start by taking it to a shop. Usually there are issues that only a trained technician needs to fix to correct this.