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Member Title: Can replacing an AC in our Motorhome be a DIY project?
Members widely agree that replacing a rooftop AC on a motorhome like the 2012 Fleetwood Bounder 33C can be a feasible DIY project, especially with help from mechanically skilled friends and the right equipment (such as a tractor with forks or an extension ladder and rope). The main physical challenge is safely lifting the heavy unit onto the roof without damaging the membrane, with several members recommending plywood for protection. Most stress that a like-for-like replacement is...
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Members widely agree that replacing a rooftop AC on a motorhome like the 2012 Fleetwood Bounder 33C can be a feasible DIY project, especially with help from mechanically skilled friends and the right equipment (such as a tractor with forks or an extension ladder and rope). The main physical challenge is safely lifting the heavy unit onto the roof without damaging the membrane, with several members recommending plywood for protection. Most stress that a like-for-like replacement is straightforward—typically involving a few bolts, screws, and wiring—but warn that complications arise if the new unit isn’t an exact match, especially with ducted, multi-zone, or heat pump systems.
Key advice includes: double-checking compatibility, gathering all necessary gaskets, sealants, and tools before starting, and reading the manual thoroughly. Members also highlight the importance of not over-torquing mounting bolts and retorquing after a month. If the exact replacement model is unavailable, expect potential wiring and control headaches. Some suggest a hybrid approach: sourcing and lifting the unit yourself, then hiring a mobile tech for installation if available. Cleaning and basic maintenance may extend the old unit’s life, but most agree that age-related failures are usually sudden, not gradual.
