Is Engine Braking When Going Downhill Bad For Automatic Transmissions?

Everyone loves to travel in hills but going the downhill might be full of challenges especially when the distance is longer. In such situations, it is useful to select the gear in order to maintain the speed at a particular level so that no extra brake is required. However, a question “is engine braking when going downhill contradictory to automatic transmission” is the one whose answer is necessary to know by every driving person.

So, let’s find out the answer right now!

Does Engine Braking When Going Downhill Actually Affects The Automatic Transmission?

Driving through the hilly area could be difficult sometimes. The impact of engine braking on the automatic transmission while going downhill is a debatable topic among many people. But, what exactly is engine brake and does it actually dwindles the automatic transmission efficiency? The answer you will find right here.

1. What Exactly Is Engine Braking?

When you take your foot out off the gas pedal, that’s the moment when engine braking occurs. Most of the people confuse this term with other types of braking like Jake braking or compression release. Engine braking has a different mechanism than other braking systems.

The major portion of the engine comes into action, the instance when the gas pedal closes the throttle valve. This valve is the source of engine’s air intake with the help of butterfly valve to create a vacuum and reciprocate the pistons in the engine. As a result, the engine slows down that ultimately slow down the wheels too.

Therefore, engine braking when going downhill has a major role when you want to slow down the vehicle.

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2. How Is It Useful For Automatic Transmission?

Engine braking helps you to maintain the control over the vehicle by reflexively reducing the wear on the brakes. Whenever you are driving down the hill, nothing could be more useful than engine braking and will not even affect the transmission. Wondering why? The fact is that transmission has nothing to do with the slowing down process, literally!

Because automatic transmission changes the gear ratios depending upon the motion so that you as a driver stay, free from shifting the gears each time. Whenever you release the gas pedal and step on the brake while driving downhill, the active engine neither burns the fuel nor generates the heat consequently; an automatic transmission isn’t exhausted at all.

However, efficient use of engine braking is the proof that you are completely aware of what’s ahead of you on the road. In a situation when the road is wide and easy enough to travel with 40mph, it is useful to press the brake down to 40mph, switch to a lower gear, and take off your feet from the pedals. You might even find this criterion in any driving tips as well. This will not just keep you safe but help you slow down at critical conditions.

Engine braking is not just useful for transmission and brake pad wearing but also, improves the fuel economy, as your car wouldn’t have to come to a hard stop, which would require re-accelerating each time when you step on the gas pedal.

Therefore, engine braking when going downhill is useful for an automatic transmission in every possible way!

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