We've all been there: You're trying to wrestle a rusted bolt or nut off your car, but you just can't seem to break it loose. You buy a penetrating lubricant from your local parts store and spray it on ...

Working on a rusty car sucks for a lot of reasons. You’re often battling with crusty parts that, in severe cases, break away in your hands and leave you with more work than you anticipated. The worst ...

You have previously described how versatile and effective penetrating oil (e.g. WD40) can be in so many vehicle maintenance and repair situations. Should car owners be using it more often – as a ...