vanman10
Expert Expediter
I have an HVAC Issue with my 2011 Chevy Express Van 2500 (4.8L). Has anyone had loss of A/C through went accelerating, especially up steep inclines? Was it a HVAC control Vacuum check valve issue or a blend door actuator issue, or something else? I'm not even sure if my 2011 has a HVAC control Vacuum check valve anymore or if that stuff is now all electric, though my HVAC is still manual knobs and not automatic climate control. Any help with issue would be greatly appreciated. Thanks!