Clean and repair the exterior of your camping unit. Patch any holes in the canvas and fix and cracks or holes in the fiberglass.
Thoroughly clean the interior of the pop-up camper using mild detergent. Vacuum floor and upholstery, and remove bedding, food, aerosol cans, coolers, garbage, toys and any items that you will want to use over the winter months.
Make any needed repairs to the interior of the camper.
Spray WD-40 or other lubricant on all moving parts on the interior and exterior of the camping unit.
Check the camper wheels and brakes for wear. If needed, repair or replace these items.
Crawl underneath the camper to check for holes or cracks in the chassis of the camper. Make any needed repairs.
Take out the battery and store indoors for the winter.
Drain pipes and water storage devices. If necessary, blow excess water out of tubes with an air compressor.
Pour a nontoxic antifreeze into the water lines. This can be purchased at an RV dealer.
Put a few fabric softener sheets into the camper before folding it up for the winter. This will reduce the stale smell that is often present upon the first pop-up of the season.
Pop the camper down and secure top.
Cover all vents and exterior openings with plastic wrap to prevent mice and other pests from making a home in the camper during the winter.
If you will be storing your camper outside for the winter, cover the tires and top of camper with a tarp.