Cars these days all have disc brakes. The main parts include names like; brake pads, brake calipers, rotors or discs. The brake caliper is hydraulically operated (essentially by your foot) and is responsible to clamp down on the brake pads to create friction against the rotating brake rotor. The wheel is bolted to the brake rotor.
While there are several designs for brake calipers, the most common type is the “floating” caliper. This has two main sections… a bracket (blue in the picture), which solidly mounts to a suspension component. The caliper body (yellow in these pictures), which must “float” to allow both application of both brake pads as well as the ability to release the brakes when the light turns green.
The brake slide guide pin Their job is to keep the water, sand and dirt away from the slide pin bores and helps keep the special grease inside.
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