Question:
Which of the following factors can cause brakes to fail or fade?
1. Excessive use of the service brakes
2. Brakes being out of adjustment
3. Not relying enough on engine braking
4. All of the above
Explanation
Brakes fading and failing generally happens from incorrect usage of the brakes, which causes excess heat. This may be from incorrect brake adjustment, not enough reliance on engine braking, excessive use of service brakes, another mechanical reason, or human error.