How to Fix Auto Rust
Auto rust is a frequent problem for car owners. Rust forms when the metal of the car comes into prolonged contact with water or other moisture. This happens when the protective rustproof coating on the metal wears away over time. The older a car is, the more rust there likely is. It is important to get rid of any rust that you notice. Untreated rust only spreads. In severe cases, there is rust-through. At that point, you need to patch the rust hole, which can be expensive.
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Instructions
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Scrub off any surface rust with a wire brush.
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Wear work gloves to apply rust remover. Pour a commercial rust remover onto a paper towel or scrubbing pad. Rub the rust remover into the rust on the car.
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Wait for five to 10 minutes for the rust remover to dissolve the rust. Most rust removers contain phosphoric acid or hydrochloric acid, both of which are very effective in getting rid of rust.
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Wipe the rust off the auto with a rag, cloth or paper towel.
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Apply a rust-inhibiting primer to the car to prevent further rust in those areas. Allow the primer to dry completely.
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Use automotive paint to to touch up the formerly rusted areas. Allow the paint to dry.
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