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Old 11-22-2015, 03:10 AM   #1
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Headlight lens

How to clean oxides headlight lens that are turning yellow

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Old 11-22-2015, 03:50 AM   #2
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Personally after cleaning ours and only having it last maybe 2 to 3 months I finally just replaced them. Depending on how bad they are yellowed it takes time to clean them and believe me they will never look new. Take a look on the lens of the ones you have now and copy down the numbers that you find. Google them to see if you can find what year auto or truck they were used on. As an example the front headlights on our coach were used on the 2000-2004 Mercury Marquis. When you get that info go to Rock Auto's site rockauto.com and put in the info needed for the headlight replacement. You may be surprised how inexpensive they just might be. For us it was around $55 for both that included shipping. Good Luck and hope you find what you need. Trust me brand new lenses make a world of difference in the appearance of your coach. At least it did for ours.

Steve & Sally / Hudson Our Little Pom / Heidi, Houston & HiTee Forever in our Hearts
04 NEWMAR MACA 3778 W22 / 05 PT Vert
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Old 11-22-2015, 06:09 AM   #3
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On the other hand, i have had good luck.

See this post regarding my sons Fleetwood.
Restored headlight.

The key is to apply a clear UV protectant, and 303 is also helpfull.

2014 40QBH Phaeton DP Cummins 380HP ISL, Freightliner XC, 2014 Jeep Trailhawk TOAD
Blue Ox Aventa tow bar, SMI Air Force One -South Orange County Ca.
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Old 11-22-2015, 06:51 AM   #4
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I used the cleaning process a few times and then had a company do it. It never appeared to last for long, finally purchased new head lights off Amazon. It will last now for the next 11 years I own the coach.
Ron & Candy, Toledo Ohio
2004 Gulfstream Sun Voyager 8368
2006 GMC Canyon
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Old 11-22-2015, 06:52 AM   #5
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Before they get bad

1. Keep then waxed often.
2. My new RV I've sprayed Rustoleum Clear UV resistant non yellowing spray paint from Walmart $5. Did it to my 9 yr old car and taillights too.
Full Timers.
2015 Fleetwood Discovery 40E on a Freightliner XCS chassis with a Cummins ISL9 pulling 1 and/or 2 motorcycles, '07 Honda Accord OR a 17' Runabout Boat.
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Old 11-22-2015, 07:04 AM   #6
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The lens are coated when they are manufactured. The coating is rather hard but does not last forever. The fading of that coating is the yellowing/clouding of the lenses.

Any polishing system will produce clear lenses again. The problem is the coating is not replaced. Many of the polishing kits supposedly have a coating but experiences have found to be not as good as the original.

Clear coat has some success after polishing at lasting.

When I bought my truck, I replaced the lens for $390 for the pair. I just replaced them for $80 for the pair delivered. The last 3M polishing job cost $50. The decision to replace was easy.
Dale & Mark Bruss
12 Years Full-Timing Now with a 2016 Bounder 33C
40' Travel Supreme winter residence
Lots of RV Information at www.dmbruss.com
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Old 11-22-2015, 07:21 AM   #7
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Old 11-22-2015, 07:22 AM   #8
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Something else to consider, is that alcohol, like that contained in wiper solvent, is not doing that (or any other clear plastic) plastic lens any good. Suggest you think twice before gabbing that windshield wiper solvent soaked squeegee and using it to clean your headlight lenses of bugs or other debris.
1997 37' HR Endeavor, 275hp Cat, Freightliner
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Old 11-22-2015, 08:05 AM   #9
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I use this stuff. I bought this bottle several years ago ($6) and have done 10 or so cars and still have 1/2 the bottle left.

Its a fine polish, you can do it by hand (or an electric drill with a polish pad.

Thats my Civic in the background. The headlights were very yellow.

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It won't do MACH 2, but I can get a sandwich and take a pee.
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Old 11-22-2015, 10:36 AM   #10
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Flitz and a buffer or you can do it by hand. By hand takes a lot longer. You can get Flitz on Amazon. https://www.flitz-polish.com/?leadso...roducts|pmt|b|
2002 Country Coach Intrigue
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Old 11-22-2015, 06:36 PM   #11
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I have had good luck using repel (Yes it is the bug spray) and Colgate tooth paste.
2008 Thor, Four Winds Mandalay 40G. Cummins 400 isl. Freightliner chassis
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Old 11-23-2015, 08:03 AM   #12
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I have a 2001 Bounder and to replace the entire unit is about $57. Granted there will be some effort in replacing them but I know they'll be good for a few years. Makes more sense to me to just replace versus using the restoration system every couple of years.
If you have friends who make you laugh, spend lots of time with them.
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Old 11-24-2015, 11:55 PM   #13
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The Blue Magic restorer works well if the lens are just starting to yellow. I do mine twice a year.

Craig & Carolyn Roberts Apple Valley, CA
2006 Newmar 3910 KSDP 400 ISL Cummins Spartan Mountian Master Chassis
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Old 11-25-2015, 05:58 AM   #14
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I used the Sylvania Headlight Restoration kit and the results are amazing. I also replaced the bulbs with brighter bulbs. I purchased the Meguiars Headlight Protectant to keep the headlights from fogging. It has only been about a month but no changes yet. Replacing the headlights is very expensive so I decide to go this route and see how long it will last.

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