Brake Calipers : What are their purposes and symptoms of bad brake calipers

What is a brake caliper and how does it work

Cars nowadays come with disc brakes in the front and also in the back, although not all do. The brake caliper is a part of the disc braking system in your car. When you press the brake pedal, brake fluid flows from the vehicle’s brake master cylinder to the calipers. The brake fluid then applies pressure on the piston inside the caliper, which then pushes the brake pads against the disk rotors to stop or slow your car. The calipers may become contaminated, rusty and can start leaking brake fluid. The car’s brake calipers absorb a lot of heat generated from the braking system. As time goes by, this heat can weaken and destroy the seals inside the calipers. Brake caliper servicing is usually done as part of your vehicle’s brake servicing job.
When your brakes are being worked on, if the mechanic notices that the calipers are damaged or need to be changed, it’s also likely that the brake pads themselves would also need to be changed.

Common signs / symptoms that your brake calipers need replacing
a. Abnormal squealing noise coming from the brakes
b. The vehicle will pull to the right or left when you apply the brakes
c. The braking feels spongy and soft (meaning the brake pedals are easier than normal to push, and they go all the way to the floor when stepped on).
d. Leaking brake fluid (you notice a clear fluid on the ground or on the wheels).
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