Join Date: Jul 2004
Location: DESERONTO, ONT CANADA
Part of regular car care should be cleaning out the drain holes in your doors and truck etc. I usually check this when washing and waxing the car.
I've used similar rust prevention systems for 25 + years, and have not had any doors rusting out . and couple of vehicles have gone 275,000-300,000 km in winters in the Great White North's, sand, salt, chloride