Sunday, August 13, 2017

Restoring the Truck Headlights with the 3M 39008 Headlight Lens Restoration System


      BEFORE                                                               AFTER



The headlights on the truck were just starting to get too scratched/fogged. Besides just looking ugly this greatly reduces the headlight's effectiveness.
So I spent about an hour and a half polishing them. Most of that is just taking my time with the procedure.
I used the 3M 39008 Headlight Lens Restoration System, about $14 bucks on Amazon.

Here are some pictures of the polishing process.

Before. If you enlarge the picture you can see the haze and scratches better. The lens wasn't horrible, but was well worth restoring. Note this lens is fairly flat so it is relatively straightforward to polish. I wouldn't try this on a lens that had bumps, shelves or ridges as that makes the process much harder.


After P500 grit. The first step is the hardest, emotionally, because the headlamp looks much worse before it starts to look better after the following steps.


After P800 grit. Just cut to a finer level:


After the 3000 pad wet sanding. Now it is starting to get clearer!


After the buffing compound and waxing. It looks great!
If you shine a light across it, you can see fine scratches from the polishing, but it is vastly improved from before the process. I've heard that that the lens may now deteriorate more quickly than a new one, as the factory finish has been removed.  We will see how long it holds up. But for $14 bucks and an hour and a half of my time, I think this is a great result. Note that the cheapest replacement headlamps I could find were over $150 a pair and would have taken at least this long to install.

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