The camshaft operates the cylinder head valves and rocker arm assembly, which sends fuel into the combustion chamber and expels burnt gases out of the exhaust manifold. The crankshaft powers the engine’s connecting rods which are attached to pistons inside the combustion chamber. The timing belt is attached by way of a series of pulleys to the engine’s crank and cam shaft. Listed below are a few common symptoms that might indicate that your timing belt is wearing out or has broken – which will require a local ASE certified mechanic to replace the timing belt and inspect other internal engine components for damage. Most automotive manufacturers have a predetermined recommendation on when you should replace the timing belt, but there are a few warning indicators that a problem exists. Generally, timing chains last longer than timing belts, with some rated to last the lifetime of the car. ![]() When an engine has a larger bore and stroke, most automotive manufacturers utilize a timing chain system that replaces the rubber belt with a metal chain. The timing belt is commonly found in cars and SUVs with smaller displacement engines. Without a fully functioning timing belt, your engine will not run. However, it is subject to incredible forces inside your motor and will need to be replaced eventually. It's commonly manufactured out of high-quality rubber with nylon-reinforced cords inside to extend the life of the belt. The timing belt is located under a timing cover and is in the front of the engine. ![]() The timing belt is an internal engine component that rotates the engine’s cam and crankshaft in sync and ensures each cylinder fires at the appropriate time.
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