What should be monitored for while testing brakes in motion?

Monitoring brake responsiveness and noise while testing brakes in motion is crucial for ensuring the safety and reliability of the braking system. When evaluating the brakes, responsiveness indicates how well the brakes engage when the driver applies pressure. A delayed or unresponsive brake might suggest a malfunction or air in the brake lines, which could lead to unsafe driving conditions.

Additionally, listening for unusual noises, such as grinding or squeaking, can provide insight into the condition of the brake components. Noise may indicate wear on the brake pads, rotor problems, or other mechanical issues that could compromise the vehicle's stopping ability. Therefore, paying attention to both responsiveness and any abnormal sounds during a brake test is essential for maintaining vehicle safety and preventing potential brake failure on the road.

In contrast, while monitoring brake light illumination, brake color for signs of overheating, or brake fluid temperature can provide valuable information about the braking system's health, they are not directly associated with the immediate performance of the brakes during motion. These aspects tend to focus more on indications of potential issues rather than the actual effectiveness of brake engagement at that moment.