Brake fluid is an unsung hero of your vehicle's inner workings. What exactly is brake fluid? How does it work? It's all a lot simpler than most people think. Our Porter Chevrolet service techs break it down for you.
Brake Fluid 101
Brake fluid helps increase the braking power of your foot on the pedal, transforming this power into brake pressure. When you press the brake pedal, a vacuum booster behind the pedal enhances the force from your foot. This force engages a master cylinder, propelling brake fluid under pressure into the brake lines. The more force on the pedal, the more pressure on the fluid and the more stopping force. Pressurized brake fluid flows through the drum brake wheel cylinder (caliper), compelling a set of pistons that push brake pads against a rotor, creating the friction that slows and stops wheels.
Brake Fluid Ingredients and Characteristics
Silicone- and glycol-based brake fluids are most common. They have consistent viscosity even in extreme temperatures, have a high boiling point, and resist corrosion. Our service team at Newark, DE Porter Chevrolet recommends having brakes and fluids checked every 3,000 miles/six months.