Applying Defroster Repair Compound

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How to apply a repair compound for defrosters. Learn about rear defroster grids, diagnosing defroster problems, and stencil installation in this free video on car repairs.

Part of the Video Series: How to Repair a Rear Defroster
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Video Transcript

In this clip, we're going to talk about the proper way to diagnose and repair your rear defroster grid. In this step, we're going to talk about the actual application of our repair compound. You're going to want to shake this stuff up real good. It has a high metal content in it and that stuff tends to coagulate on the bottom and on the sides. You'll want to shake it up really well. If you notice after about ten seconds of shaking that it still has solids on the bottom and the sides, it may be necessary to use a toothpick to stir it up and get that stuff free flowing again. Like I said, shake it up real good. And, apply it. Your kit will come with a small brush right here. You're going to want to paint it so it overlaps both sides of the stencils. Once, you have your first coat on you're going to wait thirty seconds approximately until it's no longer tacky. You're then going to repeat that coating process three times. My second application here. You can see the color difference between the dry stuff and the new stuff. We're going to put it on there and wait about another minute or so for our last coat. Alright. I'm going to go ahead and apply my last coat now. A nice heavy one. And, there you go. Once you have your third and final coat applied, you're going to want to wait for it to dry. And, then look through it and see if you can see any light through your repair area. If you can, it's ok to go ahead and apply another coat and another coat if necessary. Until, there's no light making it through. That is the proper way to apply your repair compound to your defroster grid.

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