What is a possible indication of failing power brakes?

When considering the signs of failing power brakes, a pedal that is high and hard is indeed a significant indicator. This occurs because power brakes rely on a vacuum or hydraulic pressure to assist in the braking process. If there is a failure in the power brake system, such as a loss of hydraulic pressure or a malfunction in the vacuum system, the driver may experience a brake pedal that feels stiff and requires more force to engage the braking mechanism.

In this case, a high and hard pedal suggests that the driver is not receiving the usual power assistance, which means they may need to exert more effort to stop the vehicle effectively. This scenario can be particularly concerning, as it may lead to longer stopping distances and reduced control over the vehicle in emergency situations.

Other signs of braking issues, such as a pedal that is low and soft, grinding noises, or excessive acceleration, would typically point to different types of brake problems or vehicle malfunctions, but a high and hard pedal specifically highlights a failure in the power assist feature. It's essential for drivers to recognize these warning signs to ensure their safety on the road and to seek maintenance or repairs as needed.