Contents
How to Repair a Crack in a Car Body
Materials You’ll Need
- Sandpaper
- Bondo body filler
- Bondo hardener
- Mixing spoon
- Putty knife
- Sanding block
- Primer
- Paint
Safety Precautions
- Wear a mask and gloves when working with Bondo.
- Work in a well-ventilated area.
- Do not smoke or eat while working with Bondo.
Step-by-Step Instructions
1. Prepare the Area
- Clean the area around the crack with soap and water.
- Sand the area around the crack with 80-grit sandpaper to create a rough surface for the Bondo to adhere to.
2. Mix the Bondo
- Add 1 part Bondo body filler to 1 part Bondo hardener to a mixing spoon.
- Mix the two parts together until they are evenly combined.
3. Apply the Bondo
- Apply the Bondo to the crack using a putty knife.
- Smooth the Bondo out so that it is level with the surrounding surface.
4. Sand the Bondo
- Once the Bondo has dried, sand it smooth with 120-grit sandpaper.
- Continue sanding until the Bondo is flush with the surrounding surface.
5. Prime the Area
- Apply a coat of primer to the area around the crack.
- Allow the primer to dry completely.
6. Paint the Area
- Apply a coat of paint to the area around the crack.
- Allow the paint to dry completely.
Tips
- If the crack is large, you may need to use a fiberglass patch to reinforce the repair.
- Be patient and take your time when making the repair.
- If you are not comfortable making the repair yourself, you can take your car to a body shop.
Conclusion
Repairing a crack in a car body is a relatively simple process that can be done at home with a few basic tools and materials. By following these instructions, you can save yourself the cost of a professional repair.