The timing chain functions just as that a timing belt does. The difference between the two is simply the material and area. One is made from metal and the other, a reinforced rubber. Though timing chains were utilized first, belts were introduced into automobiles in the 1960s. Belts are quieter and because of their material, less costly 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 beyond the engine and have a tendency to dry and crack. In the last couple of years, however, more timing chain china vehicle manufacturers have integrated timing chains back into some vehicles with huge improvements like 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 know what kind of timing operation your vehicle utilizes because they can vary greatly from year to yr and by a car manufacturer.