Kennedy Transmission Brake & Auto Service Auto Maintenance Videos: Serpentine Belt Tensioner

Serpentine Belt Tensioners The serpentine belt tensioner applies pressure to the serpentine belt, maintaining best tension to drive the accessories like the alternator and A/C compressor. The service life of the belt tensioner is the same as the belt itself, so they should always be replaced together. A worn tensioner prohibits the accessories from spinning…