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Driver side carpet is soaked (seemed to happen during/after 3 days of rain), pulled back carpet and found water still sitting in the channels. Noticed a couple grommets & a plate that weren't well sealed by the blue sealant stuff. Underneath the large plate opens up into a frame crosspiece, and the round grommets open to the ground. could that be enough to let that much water into the car from beneath? The rubber trim and drain hole on sunroof seam to be good although didn't check for clogs. How do you see if that drain line is doing it's job?
Other thing I noticed was rust on the e-brake assembly, would that indicate a leak there over time?
I have no idea what I need to start taking apart or testing to source where water is getting in - suggestions on a protocol?
Also, has anyone found a way to dry out the carpet and underlayer without removing seats, trim and pulling it all out? If anyone has links to videos that would be helpful.