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Old 03-01-2008, 04:09 PM
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Sonic Welding
Is it possible to remove two parts that have been sonic welded together, without breaking them?
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Old 03-01-2008, 07:20 PM
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If you mean plastic, I have had luck in the past using a sharp razor blade going over the seam very carefully over and over again untill I have a space big enough to get a thin flat blade screwdriver in and try prying the pieces apart. Just need a little patience and a lot of time.
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Old 03-01-2008, 09:17 PM
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Yes plastic, I'm trying to take my reverse lights apart. I think I'll try heat first (oven), then a combination of your idea and a dremel. lol
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Old 03-01-2008, 09:19 PM
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Good luck! What do you have in mind for the reverse lights?
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Old 03-01-2008, 09:24 PM
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I don't know if I can say yet...
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Old 03-01-2008, 09:28 PM
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try it on a salvage part first .If it work on the firts try then it will work on you car .. good luck
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Old 03-01-2008, 09:29 PM
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An oven worked well when I painted the headlight housings on my Cavalier. Take your time and don't heat them too fast.
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Old 03-01-2008, 09:44 PM
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Originally Posted by dandhcomputers
try it on a salvage part first .If it work on the firts try then it will work on you car .. good luck
I have a spare set to experiment with.

Originally Posted by Premiere07
An oven worked well when I painted the headlight housings on my Cavalier. Take your time and don't heat them too fast.
They were plastic welded I assume? What temperature did you use?
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