The maintenance for classic VW camper vans and motorhomes typically includes regular services such as oil changes, tire rotations, and brake inspections. It also involves checking and maintaining systems such as the electrical, plumbing, and heating. Keeping the interior and exterior clean is also important for maintaining the overall condition of the vehicle. In addition, it's recommended to have the engine and transmission checked and serviced as needed. Regular inspections and upkeep of the roof and windows can also help prevent leaks and prolong the life of the vehicle.