The timing chain functions just as a timing belt does. The difference between the two is merely the material and location. One is constructed of metal and the other, a reinforced rubber. Though timing chains were used first, belts were released into automobiles in the 1960s. Belts are quieter and because of their material, less expensive 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 can be found outside of the engine and have a tendency to dry out and crack. Within the last couple of years, however, more vehicle timing chain china manufacturers have included timing chains back to some vehicles with huge improvements like a reduction in sound and vibrations, different a timing belt not absolutely all drinking water pumps are driven by the timing chain. Verify your owner’s manual to determine what kind of timing procedure your vehicle utilizes because they can vary greatly from year to season and by an auto manufacturer.