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68gmsee · 12-24-2015, 02:27 PM

Can't help you with the welding part, but I did want to say that I also had a leak in the truck from what I thought was the antenna.

You didn't say if the water was inside the truck floor board but mine was. I found out it wasn't coming in through the antenna even though I went so far as to put a new rubber gasket and silicone the hole where the cable goes into the cab under the vent cowl.

What I did find was that the leak was coming in through the windshield wiper motor seal and traveling through the inside of the dash to the passenger side floor board. I removed the wipers and the cowl vent grill and saw that the rubber gasket/seal was completely rotted out. A new one and silicone fixed it.

12-24-2015, 02:27 PM	#24
68gmsee Active Member Join Date: Jul 2007 Location: Centrally located between Houston, Austin and Waco. BCS area. Posts: 7,947	Re: Above windshield rust Can't help you with the welding part, but I did want to say that I also had a leak in the truck from what I thought was the antenna. You didn't say if the water was inside the truck floor board but mine was. I found out it wasn't coming in through the antenna even though I went so far as to put a new rubber gasket and silicone the hole where the cable goes into the cab under the vent cowl. What I did find was that the leak was coming in through the windshield wiper motor seal and traveling through the inside of the dash to the passenger side floor board. I removed the wipers and the cowl vent grill and saw that the rubber gasket/seal was completely rotted out. A new one and silicone fixed it. __________________ 68 GMC 250/3 speed Saginaw p/b p/s 69 Chevy 350/350 currently in pieces still lookin for a cab 06 Trailblazer I just want a vehicle that I can work on, that won't talk to me, leave error msgs or keep track of how I drive...