The timing chain functions in the same way that a timing belt does. The difference between your two is merely the material and location. One is constructed of metal and the additional, a reinforced rubber. Though timing chains were timing chain china utilized first, belts were released into vehicles in the 1960s. Belts are quieter and because of their material, less costly to produce. Timing chains are housed within the engine and receive lubrication from engine essential oil and can last a considerably long time, while timing belts are located beyond the engine and tend to dry out and crack. In the last few years, however, more automobile manufacturers have built-in timing chains back to some vehicles with vast improvements like a reduction in sound and vibrations, different a timing belt not absolutely all water pumps are powered by the timing chain. Examine your owner’s manual to know what kind of timing procedure your vehicle utilizes as they can vary greatly from year to calendar year and by an auto manufacturer.