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Pulled a dent out with a hair dryer and canned air in my own driveway last weekend

Had a nasty hail ding on my old F-150 fender and remembered some guy at the shop mentioning thermal shock. Heated it up with the wife's hair dryer then blasted it with upside-down canned air and it popped right out, no filler needed. Anybody ever try this on a crease or is it strictly round dents?
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3 Comments
ross.kim
ross.kim10d agoMost Upvoted
Ha! That's clever with the crease question actually. I think the real issue isn't the shape of the dent but the metal thickness. On older trucks like your F-150 the metal is way softer than new stuff. I tried this on a modern Honda hood with a crease and it barely budged. The metal was too stiff and the paint actually microcracked from the sudden temp change. So if your truck has that thick old school steel you might get away with it. But newer cars with ultra high strength materials forget it. That's the part nobody talks about in these viral dent videos.
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nathan_kim
nathan_kim10d agoMost Upvoted
Wait, you used your wife's hair dryer without asking? That's a bold move, hope she didn't catch you. I've only tried it on round dents myself, but I bet a crease would just laugh at the canned air.
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joseph_green13
Borrowing a hair dryer without asking is a foolproof way to find out how fast your wife can run. Nathan's lucky he didn't end up sleeping in the truck with that crease. At least the F-150 has a bench seat so it's not too terrible.
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