Mercury E7UZ-8620-F V-Belt

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The serpentine drivebelt plays a crucial role in the operation of the engine and its components. It drives the alternator, power steering pump, water pump, and air conditioning compressor (if equipped).

The tension of drivebelts in earlier models is checked by pushing on the belt at a distance halfway between the pulleys.

The different types of drive belts used include V-belts, V-ribbed belts, and serpentine belts, depending on the engine and accessories.

The tension of each belt on models without an automatic tensioner is checked by pushing on the belt at a distance halfway between the pulleys.

The tension of drivebelts in later models with serpentine belts is checked visually.

The serpentine drivebelt is prone to wear and requires periodic inspection due to its function and material.

To replace the drive belt, lift the tensioner arm with a ratchet or breaker bar, remove the belt from the auxiliary components, and carefully release the tensioner. Then, route the new belt over the various pulleys, rotating the tensioner to allow the belt to be installed, and release the belt tensioner. Make sure the belt fits properly into the pulley grooves.