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It is usually a leaver connected to a valve on the exhaust manifold that restricts the flow of the gasses coming from the engine cylinder's witch have pistons that move up and down , that are connected to the crankshaft by con rods , through the gear box , on to the drive shaft , down to the diff , half shafts to the wheels that then helps slow the truck down

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Q: How exhaust brake is operated in engine?
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When Exhaust brake is on squeak noise comes from the engine?

When Exhaust brake is on squeak noise comes from the engine?"


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The green light in the instrument cluster means that the exhaust brake is on, which is a good thing if you drive mainly in the city. the exhaust brake allows you to elongate the life of your brake shoes or pad by using engine exhaust as a brake.


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