TENSIONER, Belt: Description
Correct drive belt tension is required to ensure optimum performance of the belt driven engine accessories. If specified tension is not maintained, belt slippage may cause; engine overheating, lack of power steering assist, loss of air conditioning capacity, reduced generator output rate, and greatly reduced belt life.
It is not necessary to adjust belt tension. All engines are equipped with an automatic belt tensioner (1). The tensioner maintains correct accessory drive belt tension at all times.