Brakes locking up without warning? Congratulations, you've just experienced the automotive equivalent of your pants getting caught on a doorknob. One minute you're cruising along, singing off-key to ...

If you find one of your brakes is sticking, there could be any number of reasons why. We take a look to see what the causes might be, and what to do about them.

Sometimes, it's the small car parts we think about the least that can cause the biggest problems. Take spark plugs, for example, as failing to remove seized spark plugs can threaten the engine.