Posted on 9/26/2025
The serpentine belt may not be something you check often, but it's very important for keeping your car running as it’s supposed to. This single belt powers major systems like your alternator, power steering pump, air conditioning compressor, and sometimes the water pump. When it starts to wear out, the results can range from annoying to downright dangerous. If your serpentine belt snaps while you're driving, you could lose electrical power, overheat your engine, or have your steering become extremely difficult. What the Serpentine Belt Does The serpentine belt connects multiple engine accessories to the crankshaft pulley. As the engine runs, the belt spins these components, allowing them to function properly. Without the belt, those systems stop working. Some older vehicles used multiple belts for different systems, but most modern vehicles rely on a single belt design. This makes inspections and maintenance simpler, but also means t ... read more