Jake Brakes: How Do They Work, and Are They Illegal?

Semi-truck parts tend to wear out faster than those on passenger cars. This has a lot to do with the size of the vehicle and the fact that large rigs cover many miles quickly. Some auto parts, such as Jake’s brake pads, can improve lifespan. Learn more about Jake’s brakes, including how they work, whether they’re legal, and if they affect your engine.

What are Jake’s Brakes?

Kenworth Semi Truck | Kenworth

Jake brakes are designed to keep out the wear and tear. If used properly, they can add years to your truck brakes. It also saves wear and tear on the tyres.

reports. The company that makes them, Jacobs Vehicle Systems, says their system is a diesel engine retarder that uses the engine to help slow the vehicle. It changes the actuation of the engine’s exhaust valve so that the engine acts as a power-trimming air compressor.”

The generic names are “decompression brake” and “engine brake”. They work by opening exhaust valves on the engine’s cylinders – releasing compressed gas and allowing the truck to slow down.

These brakes are usually used on diesel trucks, not passenger cars. In general, the only other vehicles with these parts are large enough that standard brakes are not enough to stop them efficiently.

Are Jake’s Brakes Illegal?

The answer to whether Jake Brakes is illegal depends on the area. Many municipalities approve the use of engine brakes, while others prohibit them.

This is explained primarily by the noise it makes. Jacob’s brakes are great at saving the wear and tear on a truck’s service brakes, but they’re also incredibly loud when downhill. So some places banned them.

However, it’s not a big deal because truck drivers activate the engine brake with the push of a button, which means they don’t always work. In addition, you must indicate where and when they are not allowed. They’ll say things like “Trucks, please, no Jake brakes” or “Engine brakes are prohibited.”

But the real question is whether these brakes can damage the truck’s engine.

Can Jacob’s brakes destroy the truck’s engine?


If you use Jake’s brakes, you may be wondering if you’re damaging your truck’s engine. The answer is yes and no. Keep these points in mind to avoid damage:

before a long trip. If the oil is low, it may hurt the excavator’s engine. Using Jacob’s brakes increases the risk of engine damage.

It is also important to let your engine warm up if you plan to use Jake’s brakes. On trips when time counts, it can be frustrating to wait, but it’s wise to take a few minutes to warm up your truck before heading out.

Finally, be aware of your engine’s RPM when going downhill. Pushing the RPM above the engine’s maximum limit could cause damage.

If you take the time to follow the above steps, using Jake brakes can save wear and tear on your truck. Just be sure to check for road signs about their use. Otherwise, they are well worth the investment.

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