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If you have a Class C RV, you're going to need to winterize it every year before cold weather hits. If not winterized properly, busted pipes, getting stuck, mice or mildew might await you come spring. You can take your Class C RV to a local RV dealer and service station to have them winterize it for you, but the process is relatively simple and can be done at home easily enough. It's estimated to take around 1 to 2 hours to get an RV ready for the winter months.
Items you will need
Drain all the water tanks in your Class C RV, including the gray water tank and water heater. Drain and then disconnect the water lines that lead to the ice maker. Purchase some non-toxic, RV-specific antifreeze. This special antifreeze is pink to distinguish it from the toxic green antifreeze used in cars. Use a siphon hose and the winterizing valve on your RV to get the antifreeze into your tanks. Turn on one of your faucets until you see the antifreeze start to come out, so that you know it has made it through the water lines. Dump 10 to 12 ounces of antifreeze into the black water tank to keep that from freezing as well.
Place a chemical absorbent inside the motor home to help with moisture control. Most camping stores and even discount retailers have chemical absorbents designed specifically for keeping RVs dry in the winter. The absorbent simply can be set on the floor of the RV in its plastic container. Failure to address moisture control could result in mold or mildew come spring.
Consider taking the RV's tires off during the winter or jacking the vehicle up and putting it on blocks, however, many people think it's not necessary. But you do want to give thought to where your Class C RV is parked --- when the ground thaws come spring, if it has been a wet winter, you might find that your extra-heavy vehicle is stuck in the mud.
Spray WD-40 on your RV's suspension to keep the rubber soft and, subsequently, prolong the life of your RV.
Transport all food items into your house for the winter. Get underneath your Class C RV and look for any little holes that rodents or insects could gain access through. The holes can be surprisingly small and still allow entrance. Fill any and all holes. You can also put mouse and insect traps in your motor home to catch any intruders who might be seeking a warm place to spend the winter.
Disconnect the propane tank and close the outside line by capping the threaded fitting. A cap can be found at your local hardware store.
- rv image by Greg Pickens from Fotolia.com