What to Do About Peeling Paint and Rust on a Car?
2 Answers
If the rust appears on the surface and the area is small, you can use water sandpaper to grind off the rust and then spray a layer of rust-proof paint. If the rust has damaged the primer, it needs to be ground off, followed by primer spraying, and then topcoat spraying. For severe rust and large areas of peeling paint on the door, remove all the rusted paint, fill and level it with putty, and then spray paint after the putty hardens. Generally, it is not recommended to repair a rusted-through door, as the repair effect is limited and rust may reappear after some time. It is advisable to replace the door.
I was really upset to find paint peeling off and rust spots appearing on the door edges of my new car just a few months after buying it last year. First step, I bought fine sandpaper and gently sanded the rust spots until clean metal was exposed, then wiped away the dust with a damp cloth. Next, I applied some automotive touch-up paint that matched the original factory color, and let it dry for half a day after application. Finally, I sprayed a layer of rust-proof sealant to lock out moisture—the whole process cost less than a hundred bucks. Usually, I park away from puddles and dry the car promptly after washing, checking body corners monthly to prevent issues. Small rust spots can be handled DIY, but if they spread or become large patches, it's time to visit a professional shop—don't wait until it affects the car's structural integrity. Remember, protecting your beloved car starts with daily care.
