I dont see any reason why they should have to remove an ac line. Ive had the dash out of a gp before not nearly as hard as it looks really.
Id rather do one of these than the 4 acuators thats in my envoy!! (which are currently only blowing ac out the defrost)
If its hot on one side and cold on the other its likely a temp bulb thats bad. Or an acuator but even so e acuators are pretty cheap like under 50 bucks.
Id just plan on a whole day and do it yourself after a little research to help you along....
