Can you drive or start a car without a serpentine belt
A broken or missing drive belt can leave you stranded in a parking lot wondering if the engine will even fire. This question usually comes after hearing a sudden squeal or finding shredded rubber under the hood. The serpentine belt transfers rotation from the crankshaft to essential accessories, so the answer depends on which components stop working. In most cases, the starter motor will crank the engine because it draws from the battery. Running the engine any further puts you at immediate risk of overheating and losing battery charge, so distance should be limited to moving a vehicle out of harm’s way.
Essential answer
Technically, you can often start a car without a serpentine belt because the starter motor is gear-driven against the flywheel and receives current directly from the battery. The engine may fire and idle normally for a short time. That does not mean the car is safe to drive. The belt normally spins the alternator, water pump, power steering pump, and often the air conditioning compressor. With the belt missing, none of those devices receive mechanical input from the crankshaft pulley.
Driving any real distance is risky. Without the water pump turning, coolant stops circulating through the block and radiator, so the temperature gauge climbs quickly. Without the alternator, the ignition system and engine computer draw down the battery until voltage collapses. You might manage a brief route segment at low speed to reach a safe shoulder or driveway, but road conditions, lane layout, and access restrictions leave little margin. Treat the missing belt as a disablement condition, not a temporary driving mode.