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Using a heat gun to pull a dent out of a plastic bumper instead of replacing it saved my customer $400
Had a 2019 Camry come in with a basketball sized dent in the rear bumper cover last month, and the owner was ready to just buy a new one. I tried the heat gun method for the first time, warmed it up slow from the back side and pushed it out with a roller. The plastic relaxed enough that I only needed a skim coat of filler and some paint, total job was $250 instead of $650. Has anyone else had luck with this on bigger dents, or does it get brittle and crack later on down the road?
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river_scott3d ago
Man, my buddy tried this on a Nissan bumper with a dent about the same size and it worked great at first. Thing looked perfect for like six months, then one cold morning he noticed spiderweb cracks right where he had heated it. He figures he got it too hot in one spot and thinned the plastic out. The trick he learned after that was to warm it slow and even, never let one area get shiny, and stop pushing the second it starts to move. He also said doing it from the back side like you did is the only way to go, since heating the painted side can fry the clear coat. So yeah, it holds up fine if you take your time, but rush it and that plastic will bite you later.
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