New owner of 2018 LX570; Windshield was replaced, how should I inspect?

[TechnicallyKeen]

Hello everyone, I am the new owner of a 2018 LX570. Very pleased with my purchase. I have read extensively on this website about common issues, and how to detect/resolve them. One issue that is a bit more complicated to inspect is the windshield. I am aware that numerous users have had bad experience with windshield jobs resulting in leaks and in some cases electrical damage. In my reading, I have not come across an ideal way to inspect/verify that my windshield is properly installed and sealed.
This was a 1 one owner vehicle, traded in to Porsche Birmingham. The dealership replaced the windshield, with a FUYAU. I have inspected the cabin air filter and there is no evidence of any water entry to that area. I apologize if this is a silly question, but where do I need to inspect to verify that my windshield is properly sealed? This is making me anxious. The side moldings look to be ok, I can post pictures of the seals later today.

 

[ryanCA]

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Windshield Moldings A-Pillar non-reusable?

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[n55luvr]

Went through exact same dilemma about a month ago with a 2019. New windshield installed, I'm guessing right before I bought it.

Mine had mangled A pillar weatherstripping so I had to replace all of that along with the underlying metal and plastic clips.

Prior to doing the weatherstripping I pulled the front interior trim pieces and kick panels. Peeled back the carpet and underlayment. Looked for evidence of water. Then stuffed tissue paper all around the fuse boxes. Lastly had the kids have a water fight with the new truck for about an hour, had them constantly spraying the windshield. Didn't find any evidence of leaks, maybe not the best test but it's all I could do to raise my confidence in the purchase.

So you can do the water test but also drive the truck a bunch and listen for any odd whistling noises which might be result of air leak.

Test the auto wiper function. Whoever did my windshield didn't replace the gel pad so auto wipers didn't work, easy test with a hose or spray bottle.

VIN tag didn't line up but not the end of the world.

End of the day we bought the truck. Obviously lots of variables to consider. In our case the other positive factors outweighed the windshield risk.

Might also confirm your recirc door is working while you're poking around.