Plastic Door panel repairs

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Shmaako

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Joined
Aug 29, 2016
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Location
Winnipeg, Manitoba, Canada
The door panels on convertibles apparently are prone to warping and cracking due to the sun beating down on them and I figured I'd post my little repair job.
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Didn't take long to heat up on low with a heat gun and I simply clamped the warped edge between two small lengths of wood and let cool...
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straightened out good enough to nicely fit into the chrome edge molding by the window felt.
Using JB Weld i managed to repair the cracks front and back of the panel. Stuff works great. I drilled a small hole at the end of each crack to stop them from spreading and filled them with the JB weld.
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One of the panels was missing a piece I had to try and fabricate with a small piece of sheet metal.
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JB Welded it on holding in place with small clamps and once dried, I used some 'Bumper Bondo' I picked up from Canadian Tire and went over the whole panel to get it straight as I can. Getting something that works on bumpers is best as it remains a little flexible whereas regular bondo/glaze would work but may crack pretty easy.
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The bondo sanded well and after getting it down to some 400 grit ...
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I painted with some plastic trim paint I picked up at an autobody wholesale place. It didn't even need to use a prep spray for the plastic to accept the paint as this stuff, although expensive, had the prep chemicals already in it.
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I was fairly happy with the results.
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