Not only will changing to a good synthetic fluid increase milage and cold weather lubrication, dropping the cover gives you a chance to inspect the internal parts of the differential.
I've had propane fridges and heaters in a camper and driven propane converted vehicles so it would be very doable especialy using a dot approved fuel tank. you would have to stick with a conventional AC unit but you could use a propane powered generator to run it.
Hi All, I'm in my early fifties and have a class A cdl with tx endorsement and although I dropped hazmat I can get it back. I also have my TWIC and passport. never got a moving violation-ever- and have had Chaufers lic. or CDL since 18. I lack recent otr experience now want to get into...