There are four primary reasons that brake calipers begin to stick: malfunctioning caliper slides, worn out brake hoses, dry or rusty caliper bolts, and debris inside the brake caliper piston. Because brake calipers have many different parts that need to perform different functions to provide their slowing and stopping power, there are many different possible reasons for a caliper to stick.Know More
Brake calipers are an important part of a vehicle's braking system and can be dangerous if they are not functioning properly. If a car pulls to the side when it brakes, or if the brakes lose some of their stopping and slowing power, the vehicle may have sticking calipers. If a vehicle has malfunctioning caliper slides, the shims of the brake pads may be broken, jammed or corroded. This can cause brake calipers to stick. A broken brake hose, especially one that becomes partially blocked and acts like a valve for brake fluid, can also cause this problem.
Lack of lubrication and rusting in the different parts of the calipers can also cause caliper sticking. If the caliper bolts lose their protective rubber sheath and dry out, they can become rusty. This does not allow the caliper to slide the way it is supposed to. If a caliper piston becomes rusty, it will not move smoothly.Learn more about Brakes
There are several things that can cause a bad brake booster including a bad vacuum. A brake booster needs vacuum pressure to work effectively so a lack of pressure can cause failures. Other causes of booster failure include broken springs and ruptured diaphragms.Full Answer >
A hard brake pedal is most often caused by a lack of vacuum, but can also be caused by using the wrong hose, using a defective brake booster check valve or using a defective booster. It is also possible to run a combination valve where the valve is no longer centered, which can cause a hard pedal in a person's car.Full Answer >
Some reasons why a brake pedal may depress all the way to the floor include loss of brake fluid, a faulty master cylinder or a bad brake booster. Drivers who "ride the brakes," or constantly depress the brake pedal while driving, can cause this condition.Full Answer >
Common causes of uneven brake pad wear include driving with warped rotors, a clogged brake line or leaky calipers. Vehicles that are heavier in the front than in the rear can wear brake pads unevenly due to an uneven distribution of weight. Debris in the breaking system, such as rocks or other foreign objects, wears brake pads down unevenly as well.Full Answer >