Brake fade, engine braking, runaway ramps, downgrade speed rules, and curves.
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- What is brake fade?
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Loss of braking power due to overheated brake components
- What causes brake fade in a truck?
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Repeated heavy braking without allowing brakes to cool
- What are common signs of brake fade?
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Brake pedal goes to floor, brakes feel spongy or ineffective
- How can brake fade be prevented?
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Use engine braking to slow down instead of relying only on wheel brakes
- At what temperature do truck brakes start to lose effectiveness?
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Around 600 degrees Fahrenheit
- What should you do if you experience brake fade while descending?
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Safely reduce speed and allow brakes to cool
- What is engine braking?
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Using the engine to slow the truck instead of relying only on wheel brakes
- How do you engage engine braking in a manual transmission truck?
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Downshift to a lower gear while maintaining clutch control
- What gear should you be in when descending a mountain?
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A gear low enough that engine braking keeps speed under control
- Why is engine braking important on long downgrades?
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It prevents brake fade by keeping wheel brakes cool
- When should engine braking be used?
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On long downgrades before brakes become overheated
- What is the risk of using only wheel brakes on a long descent?
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Brakes overheat and brake fade occurs
- What is a runaway ramp?
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A ramp designed to stop a truck with failed brakes safely
- Where are runaway ramps typically located?
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On long downgrades in mountainous terrain
- How should you use a runaway ramp?
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Turn sharply onto the ramp and continue until truck stops