Glossary “floating piston pin” Definition:
Piston pin that rotates freely within the bore in the connecting rod and piston.

Glossary “floating drum” Definition:
Brake drum that is not secured to a hub.

Glossary “floating piston” Definition:
Piston having a floating piston pin, usually retained by a snap ring.

Glossary “floating axle” Definition:
Term used for full or semi-floating axle.

Glossary “floating caliper” Definition:
Disc brake caliper that has piston(s) on only one side of the disc. The caliper bore moves away from the rotor in order to press the pad on the other side against the disc when the brakes are applied.

Glossary “floating caliper disc brakes” Definition:
Brake system in which only one of the two pads are energized and move the caliper so that it applies pressure to both the inner and outer pads. Mointed on pins or slides that allow the caliper to move (float).