What is a primary factor that can cause brakes to fade or fail?

Study for the Mississippi CDL Test. Prepare with flashcards and multiple-choice questions, each question featuring hints and explanations. Get ready for your Mississippi CDL exam!

Prolonged use of the brakes is a primary factor that can lead to brake fade or failure. When brakes are engaged for an extended period, such as during a long downhill descent or in heavy traffic, they can overheat. The heat generated can cause the brake fluid to boil or reduce the friction material's effectiveness, leading to reduced braking power. This phenomenon is particularly critical for vehicles that carry heavy loads, as they rely significantly on braking to control their speed. If the brakes become too hot, they may not respond as effectively, which can lead to potential safety hazards while driving.

While factors like excessive engine braking, incorrect tire pressure, and high ambient temperatures can influence braking performance, it is the consistent and prolonged application of the brakes that directly contributes to the risk of brake fade or failure. Understanding this allows drivers to better manage their braking techniques and maintain control of their vehicle under various driving conditions.

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