Quick Answer: What Does A Broken Alternator Belt Sound Like?

What belt is connected to the alternator?

serpentine beltThe serpentine belt – is used to drive several components attached to the engine.

It drives the alternator that powers the electrical system and recharges the battery.

It also drives the power steering pump, the air conditioning compressor, and the water pump..

What are the signs of a bad alternator?

6 Symptoms of a Failing AlternatorThe indicator light. … Headlights are dim or flickering. … Other electrical failures. … Strange noises. … Car stalls or has difficulty starting. … Battery dies.

Can you drive without alternator belt?

You can drive your car without either of those belts. However, you won’t get very far without the belt that turns your alternator. … This will drain a car’s battery fast. Once the car is running, the alternator supplies supplies juice for these functions, AND recharges the battery.

When should I replace alternator belt?

Serpentine belts will last you a few years, but depending on whom you ask, you’ll need to start thinking about checking it every 50,000 to 60,000 miles. The easiest way to know that a new serpentine belt is needed is if you hear it squealing while the engine is running.

What causes alternator belt to break?

The most serious failure is when the serpentine belt breaks completely. This is usually the result of a belt in poor condition, or a problem with one of the accessory components being driven by the belt. A failed bearing in a pulley being driven by the serpentine belt will also cause the belt to break.

Is timing belt same as alternator belt?

Timing belts synchronize the movement of the crankshaft and the camshaft as a main components for the engine, while the drive belt drives the engines accesories such as air conditioner, power steering pump, water pump, alternator, etc. A drive belt is cheap while a timing belt is expensive.

Can you drive with a broken belt?

It is best to not drive a car with a broken belt, even for a short distance. Get the car towed or get a mechanic to come to the car to replace the belt.

What happens if timing belt breaks while driving?

If a timing belt breaks while driving in an interference engine, the camshaft stops turning leaving some of the engine valves in the open position. … This may result in a heavy damage to the engine with broken or bent valves, damaged pistons and, possibly, destroyed cylinder head and block.

How do you know if you have a broken alternator belt?

Symptoms of a Bad or Failing Alternator BeltBattery light is on. When the battery light on your instrument cluster comes on, you will need to pay attention. … Dimming or flickering interior lights. The lights on the inside of your car are used primarily during the nighttime hours. … Engine stalls.

What happens if you drive with a broken alternator belt?

This can lead to a sudden lost of power assist for the steering system, leading to the steering wheel all-of-a-sudden becoming very hard to turn. A broken serpentine belt may stop the water pump from circulating coolant through the cooling system, causing the engine can overheat.

What does a bad alternator belt sound like?

If you hear squealing noises coming with your car, then it could be the engine or serpentine belt. In most cases in your vehicle, it will be that your serpentine belt is the culprit. These serpentine belt noises might get even louder and worse over time, or as you step on the gas pedal to accelerate.

Is an alternator belt the same as a serpentine belt?

Sometimes called a fan belt, alternator belt, or accessory drive belt, the serpentine belt is spun by the engine crankshaft and, in turn, spins, or “drives”, the accessories.

Will a car run with a broken alternator belt?

If it does not spin fast enough, alternator output will diminish and could lead to dim headlights, loss of some electronic functions, loss of vehicle power, and even a dead battery. … But if the serpentine belt in your vehicle does break during driving, the results can be terrifying – and potentially dangerous.

Can a bad alternator belt drain your battery?

Battery issues are some of the most common loose alternator belt symptoms since a slipping belt means curtailed or no power to the battery. When this happens, the battery will use its reserved electrical charge to power up all the components in the vehicle.

How long will a car run with a broken alternator belt?

Normally you could expect to keep the engine running for an hour or two if the battery is healthy. More importance should be attached to whether the serpentine belt drives the water pump as well, which it usually does. If this is the case, then the engine will overheat very quickly, within a minute or two.

How much does it cost to fix alternator belt?

The replacement cost of an alternator belt is typically between $100 and $200. The part cost is between $25 and $80 while the labor cost is between $75 and $120. The true replacement cost will depend on how long it takes the mechanic to access your alternator belt.