Though metal bumpers are quickly being phased out on cars, several home appliances and machines like tractors and mowers still use some form of metal bumper. When a metal bumper is damaged or dented, it leads to rust and is unsightly. So, repairing these parts is a top concern if you want to keep your items looking their best. Using a simple, hands-free approach is one way to do it. This method requires no pulling, pushing or reshaping and it is a quick fix.
- Skill level:
- Moderately Easy
Things you need
- Household cleaner and rag
- Hair dryer or heat gun
- Can of compressed air
Thoroughly clean the area of the dent with a household cleaner and rag to remove dust and debris. Assess the dent to figure out where the deepest part is and where the dent ends. Make a mental note of these locations.
Heat the entire dented area with a heat source like a hair dryer or heat gun. Hold the heat gun or hair dryer on the area for about a minute or two. Refrain from using a torch, as this damages paint and leaves a residue. You only need to raise the temperature of the metal slightly.
Immediately apply CO2 to the dented area. To do this, hold a can of compressed air upside down and point the spray straw toward the dent. Depress the handle to spray the material onto the metal. Coat the entire area.
Wait a few seconds and watch the dent pop out. The contracting metal will flex and pull out the dent without any additional touching or shaping. If not, reheat the dent for a longer period of time and spray more CO2 onto the surface. This will increase the chance for success.
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