12/20/2023 0 Comments Timing belt purpose![]() ![]() While this might seem like a bad idea because it could lead to the two parts colliding, it’s actually done in the name of efficiency and power, because the reduced volume of the cylinder allows for higher compression. Most modern engines are assembled so that the valves and the pistons occupy the same area in the cylinder during different parts of the combustion cycle. The rotation of the crankshaft is transmitted through the timing belt to move the camshaft. At that point, the camshaft causes the exhaust valve to open, allowing the exhaust gases produced in the explosion to exit the cylinder, and the process starts over again.Īll the valves and the piston need to move in a carefully coordinated dance for the process to work effectively, without blowing up the engine. ![]() The spark plug then ignites the mixture and it explodes, forcing the piston to move to back down the cylinder and rotating the crankshaft. Once the proper amount of air and fuel has entered the chamber, the camshaft closes the valves and the piston moves up in the cylinder, compressing the fuel/air mixture. The crankshaft rotates with the movement of the pistons and the camshaft controls the movement of the intake and exhaust valves.Įach cylinder has intake valves that open to allow air and fuel into the combustion chamber. Your timing belt coordinates the combustion cycle of the engine by connecting the crankshaft and the camshaft. ![]()
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