Aux drive belt change on the Z - in pictures   View from above – belts as seen looking down from the open bonnet (Left: alternator/water pump/power steering pump belt; Right: A/C belt)   View from above - alternator/water pump/power steering pump belt   Procedure to change belts:   1) First check the tension of current belts using ruler and strong thumb pressure. Working from above, line up the ruler at with the belt at the mid point betwe