This week’s cool tool is a ratcheting brake caliper piston spreader, a tool that’s better at the job at spreading brake caliper pistons than a C-clamp. Latest; News; Reviews. First Drive.

The next step is to pop open the tool kit and select a circular plate that interfaces with the caliper’s piston. It’ll have two pins or notches, which fit into and sit flat against the grooved ...

Disc brake caliper pistons vary in size, depending on the type of vehicle and the brake's applications. Generally, most passenger vehicles with disc brake systems have brake calipers with between ...