DriverSide's Car Dictionary has the most comprehensive definitions of automotive terms. This auto glossary can help you decipher what your mechanic is fixing and what the purpose or function of the particular auto part or accessory is for. We have taken the mystery out of automotive service jargon, so that you don't have to.
The little fruitcake-sized and -shaped metal devices on disc brakes that you can see through the wheel. They house the brake pads, and their job is to squeeze the pads onto the discs when you hit the brakes so that your vehicle stops.