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 various other, a reinforced rubber. Though timing chains were used first, belts were launched into vehicles in the 1960s. Belts are quieter and due to their material, less expensive to create. 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. Within the last timing chain china couple of years, however, more automobile manufacturers have built-in timing chains back to some vehicles with vast improvements like a reduction in noise and vibrations, different then a timing belt not all water pumps are driven by the timing chain. Examine your owner’s manual to determine what kind of timing procedure your vehicle utilizes because they may vary from year to 12 months and by an auto manufacturer.