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Misty headlight

TonyS

TonyS

PCGB Member
My nearside headlight glass appears to be taking on a green misty hue, specifically around the headlamp washer jet area. If I wet my finger it wipes away, but reappears as the area dries. The car does get direct sunlight first thing in the morning (the garage is full of motorcycles) and it is reminiscent of the green tinge I get on the conservatory roof on the side that gets the sun; possibly a form of algae?

I remember reading somewhere that the headlamps are coated with something to prevent just this; so have I got a problem? I don't want to start trying to clean it with anything that could potentially make it worse.

Anyone else had this issue please? If so, what is the solution?

Tony
 
Thanks Cliff.

Will that remove the coating such that I have to keep polishing the lamps on a regular basis?

Since my post I've been looking at an American product made by Crystal View Chemicals, which includes a sealer to be applied after sanding (gulp!) and polishing, such that it does not need to be carried out again for the life of the vehicle.

The 3M kit uses sandpaper on an electric drill (OMG)!

Don't get me wrong, I don't mind re-polishing regularly if that is the best solution [:)]

Tony
 
To be honest sanding sounds a bit extreme if the healights are not to bad.
I very much doubt you have any sealant left on a 2004 car if harsh products have been used at some stage.
A gentle polish would be my first attempt and see how they come up with the Megs.
Plenty of sealants around if your happy after a polish up.
You can also try a mild clay bar use plenty of lube on headlights.
Hope that helps.
 
Ah, OK, can you recommend a sealant?

On close inspection I can see where the original coating has deteriorated, it is rough to the touch, and that is where it is becomming discoloured. So I guess I need to get it all off before I polish....T Cut?

This is getting complicated!
 
All you really need is Meguairs PlastRx or if you dont fancy this try Renovo plastic window polish. Apply either with a sponge applicator work in polish until yellowing clouding fine micro scratches have gone. Buff off with a micro fibre Job done.[;)]
Cliff.
Oh PS dont use T Cut [:'(]
 
I used the 3M kit on mine. Some pics on this thread. http://www.pistonheads.com/gassing/topic.asp?h=0&f=48&t=1160491&mid=91677&nmt=Porsche+996+Headlights+-+Discoloured+%2Fcloudy

F5C7488BC8244F27B31C346656B84129.jpg
 
My headlights seem to have a spidery white/ milky residue on the inside. Does that sound similar? As the headlights are a sealed unit, I don't know what it causing it and how to get rid of them. They have the headlight wash too and priced them up c£600 each which seems a little high.

Any thoughts?

Thanks

Craig
 
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