Traditional Culture Encyclopedia - The 24 Solar Terms - Replacement method of Peugeot 408 air intake solenoid valve
Replacement method of Peugeot 408 air intake solenoid valve
principle of operation
When braking, the engine exhaust pipe is closed with a valve, and the engine crankshaft is forced to rotate; During the compression and exhaust strokes, the air is compressed in the cylinder, which increases the exhaust resistance of the piston and reduces the vehicle speed through the transmission system. When the exhaust passage is closed, the fuel supply is cut off. Therefore, using this kind of brake on long slopes can not only slow down safely, but also save fuel.
In addition, when driving on ice and snow roads, using this brake can also prevent the car from slipping. Exhaust braking is mostly installed on diesel vehicles, because diesel engines are easy to stop supplying oil when working in braking state. There are generally two kinds of exhaust braking: electric type with solenoid valve and vacuum type with vacuum cylinder.
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