so filling that gap atop the windshield did not do the trick. Lots of wind noise from the top of the windshield area from 35 mph on up, particularly noticeable on our drive to the mountains.post-replacement windshield has a (thankfully non-harmonic/diffuse frequency range) whistling noise up top, no doubt due to this gap
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so I got some of this stuff. very plastic in the sense it's infinitely malleable apparently
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a little lumpy even with pushing it about for 20 minutes. but hopefully it shall do the trick.
(I’d complained here that the Land Cruiser has a fair bit of wind noise from 65 mph on up before, but my wife and kids agree that this is something different)
I thus contacted the original windshield replacement outfit, Van Go Auto Glass, and they’re sending a mobile tech out next week to look into this. Maybe the installation was bad or some sealing layer wasn’t used? They say their windshield should be of equal thickness to OEM so it’s not some acoustic vs normal glass deal.