The timing chain functions in the same way a timing belt does. The difference between the two is simply the material and location. One is made from metal and the various other, a reinforced rubber. Though timing chains were utilized first, belts were released into vehicles in the 1960s. Belts are quieter and because of their material, less timing chain china expensive 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 beyond the engine and have a tendency to dry and crack. Within the last couple of years, however, more automobile manufacturers have built-in timing chains back into some vehicles with huge improvements such as a reduction in noise and vibrations, different a timing belt not all drinking 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 can vary greatly from year to year and by a car manufacturer.