Posts Tagged: worn serpentine belt

Serpentine Drive Belt: Understanding Its Lifespan

Serpentine Drive Belts: How Modern EPDM Belts Differ from Older Neoprene Belts Quick summary A modern serpentine drive belt is manufactured from EPDM rubber, a durable material that can commonly provide around 90,000 to 100,000 miles or more of service. Unlike older neoprene belts, EPDM belts may remain relatively free of visible cracks as they age. Instead, the ribs gradually lose material—much like tire tread wearing away. For this reason, determining the condition of an EPDM belt requires checking rib depth and profile, along with inspecting the tensioner, pulleys, and … Read More