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all r33 owners know the pain of the uv damage headlights, and the only fix is to polish them, is there some sort of finish that can be applied to the headlights to stop them yellowing up? or is there no prevention? only a fix?

cheers

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https://www.sau.com.au/forums/topic/345492-uv-damage-to-headlights/
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GlassyLite Premium Headlight Restoration Kit

...specifically formulated for all polycarbonate plastics

> restores clarity (from dull, hazy or yellowed plastic)

> improves scratch resistance with nanosealant molecules (which I've never been able to see)

> stabilises polycarbonate from UV rays

Spend 15 mins by hand per headlight.

That I'm afraid, will depend on how much direct sunlight your polycarbonate is exposed to.

Guys on other car forums swear by it.

I used it (glassylite) on my 34 last week for this reason, it received such good feedback no matter where I looked on the net.

My headlights came up a treat, and the UV protectant (which most other headlight cleaning kits/methods don't include) is supposed to last a good year or two at least. Only time will tell how long mine lasts.

My car used to go maybe a month between polishing previously before they'd start to yellow. I'm now up to nearly 6 months since I used glassylite and the UV protectant, and they're still perfect and no yellowing.

I'm a total advocate for their product. Given the price and how quick it is - really, give it a try!

I saw that post too, it looked like the best result. Just wet sand with super fine paper - wash - dry - tape - and spray. No need for buffing, but it would be wise to make sure its a UV resistant plastic primer before applying.

UV stable clear window tint works

so does a Megs M108 polish then apply long term paint sealer, good for years still

don't park in the sun all day/everyday..lol

lexan is used for aircraft windows so the aircraft supply store is the best place for polish and ideas how to fix it.

Edited by sapphiregraphics
  • 3 weeks later...
  • 4 months later...

hey I just got replacement headlights for my s2 33 gtst and theyre a bit yellowed, but the headlights look like a fixed unit. Just wondering if you clean the inside or the outside of the headlight covers and if inside, how much effort is it to open them up?

Just clean the outside first Jon with car polish or at worst, rejuvenator. Hopefully that's all you need to do.

But...

If it's an 'inside' job,

Then you can decide on whether/how to open them up.

"Search" button may reveal using an oven at low heat I recall...

They dont fit in the oven I tried, unless you have a bigger oven than me..

I did however manage to get the cover off with a 20$ bunnings heat gun.

Just warm around the seal about 15-20cms at a time until it gives and the seal is broken. Then do another patch but take your time .

  • 2 weeks later...

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