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Brake calipers are one of the most essential components of your vehicle's braking system.
When you press your brake pedal, hydraulic fluid creates pressure that pushes pistons inside the caliper.
This forces the brake pads against the spinning brake disc, the resulting friction slows the wheels down, allowing you to stop safely and smoothly.
Over time, brake calipers are exposed to intense heat, road debris, and moisture, which can lead to several types of failure.
The most common issue is a seized caliper, where the internal piston becomes stuck due to corrosion or a perished rubber seal.
This can cause the brake pads to remain pressed against the disc even when you aren't braking, leading to overheating, premature wear, and a noticeable pull to one side.
Alternatively, the guide pins which allow the caliper to move freely can rust and jam, causing uneven braking. Finally, the internal seals can fail and develop fluid leaks, which reduces hydraulic pressure and significantly compromises your ability to stop the vehicle safely.
New caliper piston.
New caliper piston.
Rusty seized caliper guide pin due to torn rubber allowing in debris and moisture.
Rusty seized caliper guide pin due to torn rubber allowing in debris and moisture.
Seized caliper piston due to torn protective rubber boot.
Seized caliper piston due to torn protective rubber boot.
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