BRAKE MASTER CYLINDER
01-Jul-2024
The brake master cylinder is a critical component of your vehicle’s braking system. Understanding the role of the master cylinder can help you determine if you want to replace it and what to look for in a replacement.
The act of braking begins when you depress the brake pedal. The master cylinder uses that pressure to push a piston and send hydraulic fluid through the brake lines to each individual brake. Pistons inside of a bore that are located on each of the four brakes, fill with brake fluid and engage the pads or shoes and squeeze against the rotor or brake drum and stop your vehicle.
The brake master cylinder uses the pressure from the brake pedal to push a piston, sending hydraulic fluid through the brake lines.
Simply put, the mechanical pressure exerted on the brake pedal by your foot gets converted into hydraulic pressure by the master cylinder. That pressure sends the fluid through your brake lines and engages the pistons at each of the four wheels, thus activating the brake calipers and slowing or stopping your vehicle.
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