My experience with sunroofs on other cars is there’s a drip train all the way around, so I’m willing to bet there’s some water collecting in the rear area of the sunroof.

Let’s assume that you definitely have the front drains cleared and they stay cleared.

If the rear lines get clogged, you might have buildup of water in the rear are of the sun roof. Then during a turn that whole mass of water is moving at once. It’s not exactly “bypassing” the front drains, but it’s too much to drain at once. Kinda like dumping a 5 gallon bucket in the bath tub: it won’t drain immediately.



I wish I had more to offer. Whether it’s leaks or mechanism problems, dealing with sunroofs in general is sucky work. Best of luck!


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