Chronic noise issue (squealing or rattling noise from engine particularly
at low speeds) with accessory belt drive system.
Includes new construction serpentine belt, redesigned tensioner and alternator
decoupler pulley (ADP).
A permanent solution for noise issues.
Service Tip: Always replace belts and tensioners together. Old tensioners will reduce a belt's lifespan, and can lead to issues such as overheating, a dead battery, diminished power steering, or poor air conditioning performance.