Ford 7L1Z-8620-A V-Belt

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Drivebelts are prone to failure due to their function and material make-up.

The drivebelts, located at the front of the engine, play a crucial role in the operation of the vehicle and its components. They are prone to failure due to their function and material make-up, hence, they should be inspected and adjusted periodically to prevent major engine damage. The vehicles covered by this guide are equipped with a single self-adjusting serpentine drivebelt, which drives all accessory components such as the alternator, power steering pump, water pump, and air conditioning compressor. To inspect, with the engine off, open the hood and locate the drivebelt at the front of the engine. Using your fingers, move along the belts checking for cracks, separation of the belt plies, fraying, and glazing. Both sides of each belt should be inspected, which means you will have to twist the belt to check the underside. The ribs on the underside of the belt should all be the same depth, with none of the surface uneven. The belt tension is automatically adjusted by the belt tensioner and does not require any adjustments. Drivebelt wear can be checked visually by inspecting the wear indicator marks located on the side of the tensioner body. If the indicator mark is outside the operating range, the belt should be replaced. To replace the belt, rotate the tensioner to relieve the tension on the belt. Some models have a square hole in the tensioner arm that will accept a1/2-inch drive breaker bar. On other models, place a wrench on the tensioner pulley bolt. Remove the belt from the auxiliary components and carefully release the tensioner. Route the new bell over the various pulleys, again rotating the tensioner to allow the bell to be installed, then release the belt tensioner. Make sure the belt fits properly into the pulley grooves - it must be completely engaged. Most models have a drivebelt routing decal on the upper radiator panel to help during drivebell installation.