Quote:
Originally Posted by Daox
Next up was the headlights. They were horribly yellowed from the Texas sun. A bit of Meguiars plast-x and a buffing wheel on the drill takes that right out. I must have forgot to get a finished picture, but you can see it cleaned up nicely. I put some of the nufinish wax on after polishing them to prevent UV damage. I'm not sure that will work all that well, but its what I had on hand.
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This is, at best, a temporary fix, at worst it's a shady trick to improve resale value.
I did the same to my headlights and 6 months later they were worse than when I started. Any "repairs" to a modern headlight housing remove the UV protectant layer. It's a coating that is baked on during manufacturing and can't be easily duplicated at home.
UV damage will quickly return unless something is done to slow it down. You can improve how long the lens will stay clear with a spray-on UV protectant or a UV protectant clear film, but neither will last as long as a new OEM lens.