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© Ten Ten Auto Repair
Official NC Inspection Station 919.367.6433
Apex, Cary, Raleigh, Holly Springs
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Brakes are based on the fundamentals of hydraulics, hydraulic fluid has a low compression rate meaning, when compressed, there’s little movement. Other fluids like water or motor oil have different compression attributes. When you put your foot on the brake pedal, you’re compressing fluid to transfer that pressure to the pads, its the pads that pinch the rotor (the shiny disk) and it’s this pinch (compression) that slows the wheel and stops the car.
The master cylinder hold the hydraulic fluid and the piston that forces the fluid to compress when you put your foot down on the brake pedal. Your foot is causing the master cylinder to move the piston and push the fluid to the pads.
Brake Lines and Hoses
Steel brake lines and high pressure rubber hoses carry the compressed fluid to the pads that pinch the rotors.
Wheel Cylinders and Calipers
These are the hydraulic cylinders that apply pressure to the pads and rotors, causing your car to stop.
Brake Pads and Drum Brake Shoes
These brake linings are composed of high temperature materials that create the friction and compression that slows the wheel and ultimately stops your car.
Types of Brakes
Disc brakes consist of a Rotor (the shinny disc behind the wheel), which is also attached to the wheel, and a Caliper, which holds the Disc Brake Pads. Hydraulic pressure from the Master Cylinder causes the Caliper Piston to clamp the Disc Brake Rotor between the Disc Brake Pads. This creates friction between the pads and rotor, causing your car to slow down or stop.
Drum brakes consist of a Brake Drum attached to the wheel, a Wheel Cylinder, Brake Shoes and Brake Return Springs. Hydraulic pressure from the Master Cylinder causes the Wheel Cylinder to press the Brake Shoes against the Brake Drum. This creates friction between the shoes and drum to slow or stop your car.
The Parking Brake uses Cables to mechanically apply the brakes (usually the rear brake.) This is used to prevent the car from rolling when not being driven.
Just like a pulsating caliper, the speed sensor detects the wheel moved and will release if the wheel locks, it calculates this pulse many times and in factions of seconds. Odds are you’ve already experienced it working, but it happened so fast you didn't even know it. Sometimes you can feel a vibration in the pedal when activated during a hard stop or on sand/gravel/snow.
Brakes can be maintained, pads, rotors and lines can be inspected and services before more damage is done.
Grinding noises is never a good sign and cost more to repair.
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|Tuesday 8am - 6pm|
|Wednesday 8am - 6pm|
|Thursday 8am - 6pm|
|Friday 8am - 6pm|
|Click for Saturday Hours|