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What is the Difference Between a Parking Brake and an Engine Brake?

1 Answers

DeJake

07/30/25 1:36am

Here is a related introduction to the differences between a parking brake and an engine brake: 1. Different in nature: Engine braking involves lifting the accelerator pedal without depressing the clutch, utilizing the compression resistance, internal friction, and intake/exhaust resistance generated by the engine's compression stroke to create a braking effect on the drive wheels. The parking brake is commonly referred to as the handbrake. 2. Different characteristics: Engine braking is essentially coasting in gear without applying throttle, where the engine provides no traction to the vehicle. The parking brake exerts much less force compared to the service brake, merely preventing the vehicle from rolling on slopes. 3. Different principles: Traditional handbrakes require the driver to manually release the brake or skillfully coordinate the throttle and clutch for a smooth start on an incline. Engine braking, due to the presence of the transmission, varies with different gear ratios—higher gears have smaller gear ratios.

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