| [GMCnet] Restoration. Interesting water leaks. Ideas on what to look for. [message #290700] |
Sun, 22 November 2015 00:39  |
BobDunahugh
Messages: 2465
Registered: October 2010
Location: Cedar Rapids, IA
Karma:
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Senior Member |
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With everything out. And I really mean EVERYTHING. We were having a hard rain storm. I thought it would be a great time to go in, and examine for leaks. One that I had seen before was the original TV ant. I had though that the leak was the crankshaft seal. That was true. But the biggest leak was the seal on the roof as the wire came into the coach. That wire seal looked perfect when I was on the roof. Another leak that I thought was the windshield seal. One was a clearance light gasket, and vary fine a cracked lens. Someone had clear calked all lights, front, and rear. I'm not taking any chances with aging. I ordered all new, front, and rear low profile LED lights from Jim K. Nice lights. There were 3 side window leaks. That will take cleaning the window tracks, and window track drains. Two of the three sewer roof vent covers leaked. One was another vary tiny crack. Had to look vary, vary close to find it. The other was the seal between the roof, and the cover base. The next one I'm not quit sure how to fix. The leak is in the back hatch in the upper right corner. I'm just not one of those people that use clean calk to solves all problems. But that just might have to be my only solution on this one. And that may have to be on the inside. With all the carpet out. There are 4 floor drain valves that are used to winterize the water pipes. 3 had the floor rotted away about 3 inches in all directions from each drain. At this point. I think that due to the size of the original hole for the drain. Water was sprayed from the tires. Then was able to get the plywood, and carpet around the hole wet. These 3 areas were in locations that would stay wet for a long time. Marine plywood can take wet. Just not for long periods of time. And this rot was due to long periods of water exposure. I'm going to put some marine plywood in, to repair the floor. Then remove the drains, and have no drain holes. ( nice place for mice to enter ) I keep our GMC in my shop that's at 70 degrees all year. So it never gets winterized. If I ever have to drain the water out. I'll use a air compressor to do the job. So I hope this E-mail will help others to avoid water issues.Bob Dunahugh Member GMCMI78 GMCIowa
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