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Headlamp glass is yellowing & becoming foggy. How to clean? Or time for upgrade?

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Old 09-08-2006, 08:33 AM
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Default Headlamp glass is yellowing & becoming foggy. How to clean? Or time for upgrade?

The headlamp glass in my '98.5 A4 2.8 QMS is becoming yellowed and foggy on the inside. Keep in mind that this is the "lensed" glass, (old school) not the clear glass that appeared from '99 onward.

Can I get to the inside of the lamp and somehow clean the glass to a point where it's clear again and non-yellowed? Or is this glass beyond help?

Time for an upgrade to HIDs?

For what it's worth, I did put Sylvania Silver Star bulbs in both the main beam and integrated fogs about 2 years ago.
Old 09-08-2006, 08:47 AM
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Default You can disassemble the lens to clean it by popping off several clips

Not sure if the plastic can be saved though, so you might just have to upgrade. Worth a shot at least.
Old 09-08-2006, 08:57 AM
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Default Can't you use a heat gun to pop off the lens?

Then use silicone to reseal the lamp after giving it a thorough cleaning.
Old 09-08-2006, 09:20 AM
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No, there are metal tabs that actually hold it on, not a heat seal.
Old 09-08-2006, 01:57 PM
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Yep, thats a VW thing.
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