The timing chain functions in the same way a timing belt does. The difference between the two is simply the material and timing chain china location. One is made from metal and the additional, a reinforced rubber. Though timing chains were utilized first, belts were released into automobiles in the 1960s. Belts are quieter and due to their material, less costly to produce. Timing chains are housed within the engine and receive lubrication from engine oil and can last a considerably long time, while timing belts can be found beyond the engine and tend to dry and crack. Within the last couple of years, however, more vehicle manufacturers have built-in 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 powered by the timing chain. Verify your owner’s manual to determine what kind of timing operation your vehicle utilizes as they may vary from year to yr and by an auto manufacturer.