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What is the best way to treat door seals to prevent the doors from freezing in winter? I noticed that the doors on both of my vehicles are a bit "sticky" this time of year, where the temperature is above freezing during the day, but drops below freezing overnight. The seals on both vehicles are in good condition, so I don't want to use a product that's going to harm the rubber. |
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If you're getting enough moisture into the seal/door interface, the seals are already failing. It's time to replace them. However, if you want to hold it off for a little while, vaseline is fine. It'll slowly degrade the seals further, but well, they're already done for at this point... Best thing to do is to use silicone lube on the seals occasionally before moisture starts getting past and freezing. That'll help extend the life of the seals. |
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Essentially, you want to displace the potential condensation that will form after the air inside a warm car cools down. The best suggestion that I have heard is silicone based grease or sprays. Those will discourage the water from sticking around and, later, becoming ice. Anything that might react with rubber is definitely not recommended. This includes solvent-type sprays like WD-40 or common household Vaseline. Either might seem like it's helping until you notice that your door seals are disintegrating rapidly. |
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