22/04/2022
Overrunning clutches are crucial to increase the life of the accessory drive components. Before they were added to the design of the alternator pulley, alternators had a much lower output, a 60 Amp output was already a lot. Nowadays, with more electronics in the car, 60 Amp is less than a minimum alternator capacity. This evolution needed the new pulley to protect the belt from premature slip wear. In this article, we focus on overrunning alternator pulleys and overrunning alternator decouplers, explaining what these components are for, and how they work.
More