A build up of surface corrosion on outer brake drums is completely normal and doesn't, as a rule, affect the car – replacing the drums will obviously improve the appearance, but until you need to as a ...

We may earn revenue from the products available on this page and participate in affiliate programs. Learn More › If you’re looking to stop corrosion without sanding or grinding for hours on end, rust ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? An ominous brown stain on the fender. A bubble in the paint at the bottom of a door.