Your serpentine belt transfers mechanical power from the engine crankshaft directly to vital engine accessories—including the alternator, power steering pump, water pump, and air conditioning compressor. Over thousands of miles, exposure to heat and friction causes the rubber to stretch, crack, fray, or slip. A snapped belt instantly causes battery discharge, loss of power steering assistance, and immediate engine overheating. We inspect drive belts for wear and replace weak belts, tensioners, and idler pulleys to keep your essential engine systems spinning reliably.