A quick spray of WD-40 a few times a year can prevent the gas cap from rusting and ensure you can easily open and close it when you refill your tank. Just make sure you wipe up any residue, because ...

We may receive a commission on purchases made from links. I'm not trying to start trouble. But I am about to trigger a fairly large number of people by claiming that WD-40 is a lubricant. Next thing ...