An integrated decoupler in the rear - axle differential also opens, shutting down the primary cause of drag losses in the rear section of the drivetrain. (greencarcongress.com)
The secret, aside from the new transmission, is a new engine decoupler that is actuated using an electric clutch rather than an electro - hydraulic mechanism, as in the last generation. (automobilemag.com)
A bad alternator decoupler pulley can cause a whining / buzzing / rattling noise from the alternator area and sometimes charging system problems. (samarins.com)