Brake Systems
An automotive braking system is a critical safety assembly consisting of a brake pedal, booster, master cylinder, fluid, lines, and wheel-end mechanisms (disc calipers/pads or drum shoes/drums). It uses hydraulic pressure to convert kinetic energy into heat through friction, slowing or stopping the car. Most modern vehicles use disc brakes on all wheels, or discs front/drums rear
Key Components of a Braking System
- Brake Pedal: The initial interface the driver presses to start braking.
- Brake Booster: Uses engine vacuum or hydraulic pressure to increase the force applied by the driver to the master cylinder.
- Master Cylinder: Converts the physical force from the pedal into hydraulic pressure, acting as the main pump for brake fluid.
- Brake Fluid: A non-compressible fluid that transmits pressure from the master cylinder to the brakes.
- Brake Lines and Hoses: Tubes that transport hydraulic fluid under pressure to each wheel.
- Calipers (Disc Brakes): A housing that fits over the rotor, containing pistons that force brake pads against the rotor to stop the wheel.
- Rotors / Discs (Disc Brakes): A metal disc fastened to the wheel hub that rotates with the wheel.
- Brake Pads (Disc Brakes): Friction material that clamps onto the rotor.
- Wheel Cylinders (Drum Brakes): A component in drum systems that pushes brake shoes outward.
- Brake Shoes (Drum Brakes): Friction components that press against the inside of the drum.
- Brake Drum (Drum Brakes): A rotating drum attached to the wheel, found on the rear of some vehicles.
- ABS Control Module / Sensor: Part of the Anti-lock Braking System that prevents wheel lock-up by modulating pressure during emergency braking.
- Parking/Emergency Brake: A mechanical, independent system that locks the rear wheels when parked
These components are classified into hydraulic components (master cylinder, lines, calipers/wheel cylinders) and friction materials (pads, shoes, rotors, drums)
Signs your Braking System is failing
Signs your auto braking system is failing include a spongy/soft brake pedal, grinding or squealing noises, the car pulling to one side, or dashboard warning lights (ABS/Brake). Other indicators include vibrations, a burning smell, longer stopping distances, or visible fluid leaks. Immediate inspection is crucial for safety
- Soft, Spongy, or Sinking Pedal: A pedal that goes to the floor or feels “mushy” often indicates air in the lines, a leak, or a failing master cylinder.
- Grinding, Squealing, or Rattling: High-pitched squealing usually signals worn brake pads, while a harsh grinding noise suggests complete brake pad wear, resulting in dangerous metal-on-metal contact.
- Vibrating or Pulsating Brake Pedal: If the pedal vibrates or the car shakes when braking, this often indicates warped rotors, preventing smooth, even braking.
- Car Pulling to One Side: If the vehicle pulls to one side when you brake, it suggests uneven brake pad wear, a stuck caliper, or a hydraulic imbalance.
- Burning Smell: A sharp, chemical, or burning smell after braking indicates overheated brakes or a stuck caliper.
- Warning Lights: Never ignore the ABS, check brake, or electronic stability control lights on your dashboard.
- Increased Stopping Distance: If the car feels like it is taking longer to stop than usual, the system is not producing enough force
What to do next
- Get an inspection: Take your car to a mechanic immediately to avoid brake failure.
- Check brake fluid: Low fluid level can indicate a leak in the brake lines.
- Listen to your car:
If you experience any of these signs, have your vehicle inspected promptly to ensure your safety on the road
While we’re there, let us perform a Courtesy Check, which includes a visual check of the following items:
- Engine air filter
- Brake fluid
- Power steering fluid
- Automatic transmission fluid
- Coolant/antifreeze
Need an oil change? We can service your vehicle today and alert you when your vehicle becomes due for maintenance services.
Trust Our Service
For over 15+ years, Gilmore’s has been helping drivers all across the Treasure Coast to maintain their vehicles. With Mobile mechanics who come to you to service many of your Auto repair and maintenance needs.
From oil changes, filter replacements, and fluid flushes to brakes and brake repair, shocks and struts, muffler repair, tires, and wheel alignment, we’ve got you covered. Use the quick link below to book an appointment today!