The brake caliper fits like a clamp on a wheel’s rotor to stop the wheel from turning when you step on the brakes. Rear Brake Calipers For 2000-2007 Cadillac Escalade Chevrolet Tahoe GMC Yukon. When you push the brake pedal, brake fluid creates pressure on pistons in the brake caliper, forcing the pads against the brake rotor and slowing your car.
