If you want to slow down gradually, take your foot off the accelerator and switch to a lower gear, such as second or third (remembering to rev-match as you downshift). Say you’re driving at 40mph in fifth gear and approaching a traffic light. How to engine brakeĮngine braking in a manual car is a simple process, but it may take new drivers a few attempts to master. The higher the RPM, the more torque is transferred through the transmission – helping to bring the car to a controlled stop faster. If you shift down into a lower gear you can speed up engine braking. When the clutch is disengaged, the decelerative force created by releasing the accelerator isn’t transferred to the drivetrain, so the wheels keep moving at the same speed. It restricts the air flow to the cylinders, sapping the energy and creating a braking force that will bring the car to a stop.Įngine braking only works when a car is in gear. This happens when the accelerator pedal is released, closing the air intake valve to create a vacuum. In technical terms, it’s using decelerative forces in the engine to slow the speed the wheels are turning at. ![]() ![]() When is engine braking better than normal braking?Įngine braking is basically the process of slowing the car down by releasing the accelerator and shifting down through gears, rather than using the footbrake.What are the benefits of engine braking?.But is it the most efficient? Here, we look at the other option drivers can use to slow a car – engine braking. Using a footbrake is the safest way to slow a car, both in normal conditions and in an emergency.
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