Q:

How do you fix a dent in a car?

A:

Quick Answer

To fix an automobile dent, sand it, pack the dent with body filler, sand the dried filler, apply primer and paint, and cover the paint with sealant. This process requires sandpaper, body filler, polyresin hardener, a filler applicator and primer. You'll also need paint, sealant, gloves and a particle mask.

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Full Answer

  1. Sand the dent

    Put on safety gloves and a particle mask. Sand the dent with 80-grit sandpaper until the bare metal is visible.

  2. Apply body filler

    Mix a small amount of body filler with polyresin hardener according to the manufacturer's instructions. Use a flat, flexible applicator to pack the dent with filler. Smooth the surface, and let the filler dry. This generally takes about 30 minutes.

  3. Sand the dried filler

    Sand the dried filler with 120-grain sandpaper. Make several passes, and then run your free hand over the filler. Repeat until the filler feels flat and smooth.

  4. Prime, paint and seal the repair

    Move the vehicle to a well-ventilated area, preferably outside. Apply several thin coats of high-build primer. When the surface is completely smooth and dry, cover it with paint. Apply thin coats so the paint does not run. Follow the manufacturer's instructions regarding drying time. When the paint is dry, seal the repair with a clear topcoat.

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