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 made from metal and the various other, a reinforced rubber. Though timing chains were used first, belts were presented into automobiles in the 1960s. Belts are quieter and due to their material, less costly to create. Timing chains are housed within the engine and receive lubrication from engine essential oil and can last a long time, while timing belts are located timing chain china outside of the engine and tend to dry out and crack. Within the last couple of years, however, more automobile manufacturers have included timing chains back to some vehicles with vast improvements such as a reduction in noise and vibrations, different a timing belt not absolutely all drinking water pumps are driven by the timing chain. Examine your owner’s manual to know what kind of timing procedure your vehicle utilizes because they can vary greatly from year to season and by an auto manufacturer.