Auto >> AutoSPT >  >> Engine

What is engine break?

Engine braking, also known as compression braking or overrun, is a technique used in vehicles to slow down by shifting to a lower gear. This causes the engine to exert a braking force on the drivetrain, which in turn slows down the wheels.

Engine braking is most effective in vehicles with manual transmissions, as it allows the driver to select the appropriate gear for the desired level of braking. Vehicles with automatic transmissions may also have an engine braking feature, but it is typically not as effective as in manual transmissions.

There are a number of advantages to using engine braking, including:

* Reduced brake wear: Engine braking can help to extend the life of your brakes by reducing the amount of time they are used.

* Improved fuel efficiency: Engine braking can improve fuel efficiency by using the engine's drag to slow down the vehicle, rather than by using the brakes.

* Enhanced control: Engine braking can give the driver more control over the vehicle's speed, especially on slippery roads or when descending hills.

However, there are also some disadvantages to using engine braking, including:

* Increased engine wear: Engine braking can put additional stress on the engine, particularly if it is used frequently or not done in properly.

* Noise: Engine braking can produce a loud noise as the engine operates at a higher RPM.

* Jerky movement: Engine braking can cause the vehicle to jerk or lurch as the gears shift.

Overall, engine braking is a useful technique that can be used to slow down a vehicle effectively and safely. However, it is important to use it properly to avoid any potential disadvantages.