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Tuesday April 3, 2012 4:12 pm

How to remove dents from your car using dry ice

Posted by Andrey Malskiy Categories: Misc. Tech, Transportation

Dry ice fix dents

There's an urban legend out there that says that you can repair door dings and dents that you find on your car by rubbing dry ice over the dent and then heating it with a hair dryer or heat gun.Sure, it sounds a little silly, but as it turns out, it works!

Roaming the various threads and comments on VW Vortex, we came across a creative tutorial showing how the process works in removing and smoothing out dents. Hit the link to see how it’s done, thanks to the thread found on VWVortex.

You’ll need a few things, about 2 pounds of dry ice, a heat gun or hair drier, and some gloves since the dry ice is cold.

The dent:



The first thing you want to do is, wearing the glove, is rub the dry ice over the dent, until the metal reaches the temperature of the dry ice.


When the metal reached the dry ice temperature, heat the dent up with your heating apparatus of choice. However, be careful so to not to heat the metal above 195 degrees as this can and most likely will damage the paint.

The last step is to repeat the first two steps again. However, you may continue doing this until you reach a level of results you were seeking.


If you’re wondering how this process works, according to the thread, the cold-heat routine shrinks and expands the metal, which eventually works its way out of the dent. The trick also works on aluminum if you’re wondering.

Read More | VW Vortex

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