MANUFACTURER RECOMMENDED SERVICE
What does a serpentine belt do?
The serpentine belt runs a multitude of systems that ensure a safe drive. A vehicles water pump, power steering, and alternator are able to work because of the belt. Failure to replace the belt can result in system failures, leaving your car unable to run.
How to know if it needs replaced:
If you're seeing any cracks or other wear and tear, consider replacing your serpentine belt as soon as possible. Also, a common characteristic of a worn belt is dry rot. Since the serpentine belt runs a multitude of systems, it's better to be safe than sorry and change the part. Some manufacturers recommend replacing the belt at a specific interval, so always read your vehicle's manual for reference.