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| bench bleeding | A process of bleeding hydraulic brake components, such as master cylinders or calipers, while they are removed from the vehicle. This is done to remove air from the system before installation, ensuring proper brake system performance. |
| brake fluid flush | The process of completely removing old brake fluid from the brake system and replacing it with new fluid. This helps to maintain brake system integrity and performance by removing contaminants and moisture that can degrade the fluid over time. |
| brake pedal position sensor | A sensor that detects the position and movement of the brake pedal. It is used in modern vehicle brake systems to relay information to the vehicle's computer, enabling functions such as brake light activation, traction control, and other safety features. |
| brake pedal height | The distance from the floor to the top of the brake pedal when it is in its resting position. Adjusting the brake pedal height ensures optimal comfort and control for the driver. |
| bypassing | In the context of brake systems, bypassing refers to the unintended flow of fluid or pressure around a component, such as a seal or valve, resulting in reduced brake performance or failure. |
| flare tool | A tool used to create a flared end on a metal brake line or tubing. This flared end allows the line to be securely connected to another component, such as a brake caliper or master cylinder. |
| free play | The amount of movement or slack in a mechanical component, such as the brake pedal or linkage, before it engages or activates the brake system. Proper adjustment of free play ensures efficient brake operation and pedal feel. |
| manual bleeding | The process of removing air from the brake system by manually opening and closing brake bleeder valves while an assistant depresses the brake pedal. This method is commonly used for smaller brake systems or when specialized equipment is not available. |
| pressure bleeding | A method of bleeding the brake system that uses specialized equipment to apply pressurized brake fluid to the master cylinder reservoir, forcing air and old fluid out of the system through the brake bleeder valves. This method is efficient and effective for larger brake systems or when thorough bleeding is required. |
| vacuum bleeding | A method of bleeding the brake system that uses a vacuum pump to draw air and old fluid out of the system through the brake bleeder valves. This method is efficient and can be performed with minimal assistance, making it popular for DIY mechanics. |
