The timing chain functions just as a timing belt does. The difference between the two is merely the material and area. One is constructed of metal and the additional, a reinforced rubber. Though timing chains were used first, belts were introduced into vehicles in the 1960s. Belts are quieter and because of their material, less expensive to create. Timing chains are housed within the engine and receive lubrication from engine oil and can last a considerably long time, while timing belts are located outside of the engine and tend to dry and crack. Within the last couple of years, however, more automobile timing chain china manufacturers have built-in timing chains back into some vehicles with vast improvements like a reduction in sound and vibrations, different a timing belt not absolutely all drinking water pumps are powered by the timing chain. Examine your owner’s manual to know what kind of timing operation your vehicle utilizes as they may vary from year to season and by a car manufacturer.