The fuel cap is typically out and exposed to the elements. Just as the heat beats down on it, the rain washes the dust away. There is another issue. Ice. We all love it in a cold drink. But two places we don’t want ice is on the road and any places that requires a key.
Sure it might not seem that big of a deal, but wait until the wind is whipping around and the slush has splattered your beautiful truck and the key won’t go in the lock. But there is some good news. Cans of deicer are cheap.
Source: www.jdbrand.com
One other concern for the winter season and freezing is it can make the plastic brittle. In the summer the sun dries out and bakes the plastic while the cold has a similar effect on plastic parts.
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Newer ones of course can last a long time. But as they age the plastic does get brittle. So if your cap is old you might want to think about replacing it before you do too many long drives through the wintery north.
Is Locking Fuel Cap Really Protecting Fuel?
The simple answer to this question is… yes! The sad fact is if someone really wants something bad enough, they will find a way. But it is a proven fact that most people will go after the easiest option first. So if two trucks are sitting side by side and one has a locked cap and one doesn’t, which will lose their fuel?