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Old 08-10-2018, 06:13 AM   #1
Established Member
Join Date: Jul 2018
Location: Grosse Ile Township
Posts: 12
M.O.C. #22300
Checking window seals

What is the best way to check your window seals without being able to see them very well I want to make sure there ok before I get a leak unit is a 2010 mountaineer how long do they usually last before they need to be replaced and as for my other seems on the side of the unit can I clean and recaulk them with dicor or do i need to peel all the old stuff off first
Thanks for the help
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Old 08-10-2018, 07:55 AM   #2
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Join Date: Feb 2012
Location: Lake Gaston
Posts: 7,007
M.O.C. #12156
Have never had to replace a seal except for a total window replacement. I look at what part of the seal is visible .and if no cracks or deterioration, all is good. If I see something that bothers me, I clean and touch up with black windshield sealer. I do pay careful attention to the top of the window/seal and have run a clear line of silicon sealer across the top on occasion. Never good to caulk on old caulk.
Mike and Lorraine
2002 3655 FL, 2005 3650RK
2010 3665RE, 2015 3910FB
F350 crew cab dually 6.7
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Old 08-10-2018, 08:20 AM   #3
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Join Date: Sep 2013
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M.O.C. #13740
Windows use butyl tape to seal the outside of the window unit to side, usually 3/4 " wide 1/8" thick. Could be white, tan, or black. The very outside edge where squeeze out occurred could be dry and cracked, but I seriously doubt the rest of it is dry. I would use a plastic tool to clean the outer edge all around, then silicone chaulk it.
2012 F350 6.7 L dually, 2013 3800RE with 6 pt leveling, Sumitomo 17.5" load range h tires, Samsung 18 cu ft residential fridge, 8k Morryde I.S. with disc brakes. Full timing since 2012.
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