Your car's serpentine or drive belt is a vital engine component. It's responsible for providing power to various accessories, including the air conditioning compressor, power steering pump ...

And it's why you should never ignore a noisy serpentine belt. Although it isn't the same as a check engine light, a noisy serpentine belt does indicate something's wrong with the drive belt system.

The customer service representative recommended that I seriously consider replacing the serpentine belt for ... except to say that if the timing belt fails, the engine will be destroyed.