I've got a brand new (had it less than a month) 2006 3500. It rained last night and this morning I had water dripping down the INSIDE surface of the rear window. The rear seats are quite wet in places. I drove directly to the dealer and they said they've seen a few of the roof-mounted brake light assemblies leak a bit.

Anyone else seen this problem?

 

Yes, I've seen it a few times. take off the brake light and seal it with silicon.

 

The truck is obviously under warranty so I'll let them spend their time on it at DC's expense for now. Hopefully that's all it is, and they won't have to replace the entire window seal... the guy at the dealership said the top of the window itself sometimes leaks and they have to redo the whole thing.

Thanks!