What's A Jake Brake?
How Diesel Engines Brake (Not Break)
3y ago
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How does engine braking work? How do you engine brake with a manual transmission? How does a jake brake work? How do diesel cars engine brake? Great questions!
This video will look at gasoline engine braking (through creating a vacuum after the throttle body), as well as diesel engine braking. Diesel engines have two main forms of engine braking: exhaust brakes and Jake brakes, which open the exhaust valve when the compression stroke is close to top dead center (TDC).
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Comments (4)
does that means the diesel engine will keep wasting fuel even if no throttle is pressed? die to no throttle closing present??
No. Diesel engines control throttle with the fuel pump instead of a throttle body or carburetor. If your foot isn't on the peddle it only injects enough fuel to maintain idle. Under engine braking it only injects enough fuel to maintain...
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