17 captured repliesPartial discussion capture · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHRecondition headlights
Reported or suspected cause
serious light protection
Reported cause
No successful repair reported for this finding.
1
Identified cause
0
Suspected cause
0
Reported fixes
Read evidence and context
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Discussions that report identifying a cause
1
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Reported cause
I opted for what turned out to be serious light protection from
Leading evidence: 'serious light protection' (1 discussions report identifying this cause; no attributable repair resolution). Across 1 matching discussions, the most frequently mentioned possible cause is 'serious light protection' (1 discussions; 1 report identifying it and 0 suggest it). The most frequently discussed action is 'Recommend the' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Discussions that performed work without a confirmed outcome
1
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Performed · outcome unconfirmed
I'm trying to find out an alternative to sending them out and have the lenses replaced, like
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Performed · outcome unconfirmed
Used the blue covers on my GT Silver Metallic RS60.
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Performed · outcome unconfirmed
Funny thing, my early career at Bell Labs was in a lab where we specialized in polishing rare forms of crystals to be used for early pulsed lasers..
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Performed · outcome unconfirmed
I was pleased with the results and used the UV coating but was a little disappointed with the longevity in the Hawai'i sun, The crazing on, my Cayman was too deep and I sent the headlight modules to California to be restored.
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Suggestion
It just works, and despite Porsche telling you never to put anything over the headlights, I've yet to hear of one person who experienced a problem due to using PPF.
Discussions that performed work without a confirmed outcome
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Performed · outcome unconfirmed
I was pleased with the results and used the UV coating but was a little disappointed with the longevity in the Hawai'i sun, The crazing on, my Cayman was too deep and I sent the headlight modules to California to be restored.
Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.
17 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Planet-9: 1 discussions
0 evidence records excluded for query context · 2 excluded by outcome qualification · 0 adjusted by outcome qualification.
0 acknowledgements have no verified action link; they do not establish a repair result.
Generation: 20261026T142254Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
Hello, I’m new here and this is my first Cayman. I’m a long time air-cooled Porsche wrench and am just learning this model. Very cool.
My
headlights
were very crazed so I decided to try Cerekote’s headlight restore kit. So far, I’m impressed and it was stupid easy to do. I liked not having to spray paint
UV protectant
clear over it.
Can anyone vouch for longevity?
Glad to hear the restore worked!
If you don't have any
UV protectant
on there, it will oxidize and craze again, really... so you need to find something to help protect it. Many use a
PPF
that can offer UV protection.
Im not affiliated with them in any way, I just like things that are simple, inexpensive ($17!) and seem to work well.
CERAKOTE® Ceramic Headlight Restoration Kit
Cerakote Headlight Restoration is completed in 3 quick and easy steps, with no power tools required. Cerakote is different than other headlight restoration kits because we manufacture a true professional grade ceramic coating that chemically bonds to the headlights and provides UV protection...
cerakoteceramics.com
I have seen mixed reports on ceramic coatings lasting on
headlights
. But most of the naysayers were speaking theoretically and not from firsthand experience with it or the
Cerakote kit
specifically.
I plan to tackle this job in the next few weeks. But, my plan is to use
PPF
instead of a
ceramic coating
or clear coat. The
PPF
should offer good UV and pitting resistance and can be replaced without having to polish the
headlights
again. I’ll update my post if my experience is different this time, but from past experience I can say that working with
PPF
isn’t terribly complicated on a smaller and flatter surface like a headlight. I’d suggest buying a little more film than you need and watching a few YouTube videos. I’d also recommend getting an
Olfa
or
X-ACTO knife
for the final trim and trimming the edges once the film has set up a bit and really tacked down, otherwise trimming the film can sometimes lift the edges.
I'm starting to get some light hazing on my
cerakoted 987 headlights
after 2 years. Garage kept summer driver. i.e not out in the weather all then much. I'm not impressed with the
cerakote
life span. The clean up part works really well though.
PPF has been on my '09 987.2 headlights since new - that's 17 years now. The headlights still look like new. I have done ceramic coating over the PPF, that just helps keep the bird-poo sliding off. I also had PPF on my '11 Cayenne Turbo (traded in 11/25 for a 2025 Cayenne) - they looked like new. I'm planning on doing it to my 2025 Cayenne before winter sets in.
It just works, and despite Porsche telling you never to put anything over the headlights, I've yet to hear of one person who experienced a problem due to using PPF. It's much better than redoing the polishing on the headlights every 6-12 months (which you'll end up doing based on sad experience with too many cars..) if you rely on spray-on or wipe-on coatings.
I suspect I am to blame for the headlight polishing industry. About 25 years ago, I wrote an article about how to do it for the BMW-Car Club of America magazine. It was quite a popular article. Shortly after, guys started showing up at dealership lots - doing it to the used cars. And next thing you know - kits appeared. Funny thing, my early career at Bell Labs was in a lab where we specialized in polishing rare forms of crystals to be used for early pulsed lasers.. and to this day, it's one of my favorite relaxing things to do. Nowadays I do it mostly to watch crystals (I collect oddball "electric" watches, like the original Accutrons..)
Anyway - right move on the PPF.
Welcome to P9.
I opted for what turned out to be serious light protection from
Lamin-x
, 13yrs now and all good.
Used the blue covers on my GT Silver Metallic RS60. I think it works.
They are easy to apply and fit well with minimum triming needed. Bought these blind and was pleasantly surprised at quality and thickness! Come in clear, light and dark smoke, yellow and blue. You can also opt one color for headlights and different color for fog, if you choose.
Enjoy the ride.
Eyes up, look ahead
I have firsthand experience with
Cerakote
use on my family fir mobile Sienna. I was pleased with the results and used the UV coating but was a little disappointed with the longevity in the Hawai'i sun, The crazing on, my Cayman was too deep and I sent the headlight modules to California to be restored.
evil
i used the
ppf
from invisiblemask, perfect fit, good video instructions and they offer "replacement" kit for a fee if you screw it up. this seems to be working very, my Cayman is an outdoor vehicle so the lenses really take a beating.........
Just to confirm: Are those polishing kits suitable for a headlight lens repair? I'm trying to find out an alternative to sending them out and have the lenses replaced, like
rennlights
.com or lightwerkz.net.
I have a 2014 Cayman and the lenses are starting to look crazed.
Yes. You clean them per instructions in the kit, then wet sand them with the included paper and holder, then apply the
ceramic coating
. So far I’m seeing people having several years results which is pretty great given the low cost and simplicity.
I’d also recommend the
PPF
route mentioned above. A physical film barrier sounds like a durable and inexpensive solution.
In most cases, I don't think you'll be able to eliminate the crazing - that's a deeper crack that you'd have to sand REALLY far to clear up. If you can leave those, then the kits work great to remove surface scratches and oxidation.
For example, mine looked like this on the original headlight assemblies:
I had no expectation of those getting polished out, as they were deep.
The oxidation would be fixable (you can see it get patchy near the top of the lens here, where it looks yellowish-cloudy) - that's where the kits work great.
This is a source reference. Confirm exact model applicability in the original material.