If your car's more than 10 years old and you've never lubricated its locks, I bet this cheap and simple job will make your keys seem to magically work better. So here's a rundown of two common types ...

Q: I have a 1994 GMC pickup. When it gets cold it is very hard to unlock the driver door. A couple of times I have had to unlock the passenger door to get in. We tried spraying WD-40, but that hasn’t ...

Mechanical carbon machine parts excel where oil-grease lubricants won’t work. Sometimes moving parts go into applications that just can’t risk exposure to petroleum lubricants. Nobody wants grease in ...

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