The poly-v engine component drivebelt (5) controls alternator (1), water pump (3) and, where applicable, air conditioning compressor (6).There is an automatic tensioner (2) which means that no maintenance operations are required.Crankshaft pulley (4) contains a flexible section which reduces crankshaft torsional vibration and stresses on the belt and thus on auxiliary engine components.
1. Alternator2. Belt tensioner3. Water pump4. Crankshaft pulley5. Auxiliary drive belt
