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WCB »
https://forums.nicoclub.com/wcb-u92362.html
Thu Apr 17, 2008 1:53 pm
I had the same problem on my '98 Q's headlights and foglights. If you can find the vent tube, which is a "U" shaped tube about 6mm in diameter coming out from the side of the light, and pull it off you'll usually find a spider's nest in there - looks like white cotton. Just poke through it with a blunt tool or kitchen match. then you can blow it out. If that doesn't work a weep hole drilled in the housing will. Find a spot, preferably on the bottom of the housing, and drill a 1/16" hole, angled toward the back. It took a few days but my lights have cleared and the fogging has not come back, even in the one with the cracked lens.