The timing chain functions just as a timing belt does. The difference between the two is merely the timing chain china material and area. One is constructed of 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 because of 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 outside of the engine and tend to dry out and crack. Within the last couple of years, however, more automobile manufacturers have built-in timing chains back into some vehicles with huge improvements like a reduction in noise and vibrations, different a timing belt not absolutely all water pumps are driven by the timing chain. Check your owner’s manual to determine what kind of timing procedure your vehicle utilizes as they may vary from year to 12 months and by an auto manufacturer.