Most often, a noisy drive belt is an indication that it is warn and should be replaced. If the belt is not supported by a spring-loaded or hydraulic tensioner the noise may indicate a need for manual adjustment. If your belt is making noise, bring your vehicle to the best mechanic shop in your area for inspection.

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Most modern-era vehicles are equipped with one drive belt that is responsible for providing power to a limited number of accessories. Two or sometimes even three belts can be utilized to power the vehicle’s larger accessory components and systems.

The serpentine belt should be replaced by age and mileage as a preventative maintenance item defined by the vehicle’s manufacture. If you are not sure how old your belt is, a Baltimore mechanic can help.