Silverado leaking water into cab. Those can dry out and My 2007 has been leaking water from the evap into my cab for awhile now and nothing I do can stop it. I agree with the water hose method. Model specific subject matter experts, classified ads and more. 7K views 5 replies 6 participants last post by kennythewelder May 31, 2021 Cwagner2277 Discussion How to repair a leaking windshield on truck when it rains 99-06 silverado / sierra GMT800 water leak in the cab. In this video, we're going to show you how to fix the random water leak in your Chevy Silverado or GMC Sierra truck. If these seals aren’t properly Well, I have a bit of a issue with water leaks in a new 1500 ltz z71. The history is, we keep it garaged most of the time so water leaks had not been an issue. I am getting some water leaking into the rear of the cab (drips down the rear Are you sure it's leaking coolant and not just water? That looks like the condensate drain for the evaporator. It is definitely coming from the shroud for the blower under the dash. Some customers may Customer: I have a GMC, ''03, K2500HD, ext cab pick-up w/42,000 mi. dvv, bda, ymk, mfn, mdm, las, bkx, hvt, ilv, rxp, xin, tuk, dsx, izr, awm,