Signs of a faulty generator overrunning clutch. How to check the generator overrunning clutch.
An overrunning alternator clutch is used to reduce belt vibration and extend the service life of other belt drive components. Compared to a solid pulley, pulleys with an overrunning clutch offer more advantages.
However, overrunning alternator clutches are prone to failure and seizure. The first sign of a faulty alternator clutch is excessive belt vibration and squeaking from the alternator belt.
In this video, you'll learn how to check the overrunning clutch to avoid costly alternator repairs.