No cab heat from 2006 Seneca 35GS
We purchased this motor home last year with only 14K miles, and on our way home the heater began intermittently putting out warm and then cold air, no matter where the temp selector was set. I've been told the most likely problem is the heater blend door actuator.
Has anyone had this same problem or replaced the blend door actuator on the Chevy C5500? Any help would be appreciated!!