Since I've got my car torn apart in all kinds of different ways, I figured it was about time to fix my shortened rear bumper. We did an awesome job on the backside of them, using fiberglass to bond the sections back together, but on the frontside, we didn't use the right method, and the seams cracked through to the paint. We simply filled the gap in the seam with epoxy, and there was nothing really holding the 2 parts together in the front.
About this time last year, I picked up an AWESOME book:
So what I did it stripped an area about 2" each direction away from the seams back down to bare plastic, then used an orbital to get the surface level. Then I used an air-tool with a sanding head to grind a v-channel out on top of the seam. I also drilled several small holes along the inside of the channel for the plastic epoxy to settle into, creating more holding strength by kind of stitching the 2 parts together:
Here's the top of the bumper, where I did the same thing:
Also did the same for the bumper trim, and this is with the first application of plastic epoxy, I'll probably have to do a little more filling once I get it smoothed out:
About this time last year, I picked up an AWESOME book:
So what I did it stripped an area about 2" each direction away from the seams back down to bare plastic, then used an orbital to get the surface level. Then I used an air-tool with a sanding head to grind a v-channel out on top of the seam. I also drilled several small holes along the inside of the channel for the plastic epoxy to settle into, creating more holding strength by kind of stitching the 2 parts together:
Here's the top of the bumper, where I did the same thing:
Also did the same for the bumper trim, and this is with the first application of plastic epoxy, I'll probably have to do a little more filling once I get it smoothed out:
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