Month: July 2018

How do Clutched Alternator Pulleys Work

Most modern vehicles have clutched or so called one-way or decoupler pulleys.  Proper operation of these pulleys is vital to alternator health and the health of other components, especially the serpentine belt tensioner.

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Replacing Alternator Pulley In-Car – List of VW Models & Difficulty

Replacing an alternator pulley without removing the alternator requires skill, the right tools and a cooperative engine bay design.  We’ve compiled a list of VW diesels that we work on and listed how difficult it is to replace the pulley with the alternator still installed in the vehicle.