Question: How Long Does A Serpentine Belt Usually Last?

Why would a serpentine belt break?

Serpentine belt problems usually result from one of three causes: a defective belt tensioner; misalignment of a pulley; or, defective bearings in the tensioner, idler, or one of accessories driven by the belt (including the water pump).

Excessive cracking: Other than severe old age, defective tensioner..

Who can replace a serpentine belt?

Help keep your vehicle from losing power – with serpentine belt replacement services from Valvoline Instant Oil ChangeSM. Our certified technicians can perform this service while you wait in the convenience of your car.

What happens if your serpentine belt breaks while driving?

If a serpentine belt is broken, it can lead to a sudden loss of power assist for the steering system. … This happens because the serpentine belt keeps the water pump circulating coolant, also known as antifreeze, through the cooling system. This means that the engine can overheat anywhere, including the highway.

Can I replace a serpentine belt myself?

Serpentine belt replacement is easy because today’s automatic drive belt tensioners eliminate the need to loosen bolts or pry components into position for retensioning. Just rotate the tensioner, remove the old belt and install a new one.

Will AAA replace a serpentine belt?

For a little extra peace of mind, consider signing up for AAA Roadside Assistance. If you should find yourself on the roadside with a failed serpentine belt, flat tire or other vehicle emergency, our skilled problem solvers are available 24/7 to provide help at your location.

Is a serpentine belt the same as a timing belt?

When you pop the hood to check out your engine block, you should be able to see the serpentine belt, a thin, rubber belt that winds around several components in your engine, like a snake (hence ‘serpentine’). On the other hand, timing belts are deeper in the engine block and can’t be seen from the outside.

Will a bad serpentine belt cause alternator problems?

One of the most overlooked maintenance items on vehicles are serpentine belts. … Once the belt is worn, it will have less surface area contact with the pulley and begin to fail or make noise. Also, a worn belt will not properly seat into an alternator drive pulley, so it may not carry the full output of an alternator.

How tight does a serpentine belt need to be?

The required measure of tension in the serpentine belt is that it should not deflect more than ½ inch when twisted either way from the middle. If twisted more, the belt is loose, and if twisted less, the belt is too tight. Either of the positions does not work for the vehicle.

Can a bad serpentine belt cause check engine light?

A loose or worn belt will cause ticking or rattling noises, poor engine performance and overheating, usually triggering the check engine light. If the timing belt breaks, the engine can’t run — and on some engines that break can cause internal damage.

Does serpentine belt affect timing?

A serpentine belt may power the air conditioning, alternator and power steering pump on your car. … As timing belts age, they may stretch or crack and begin to slip. A slipping timing belt will affect the engine timing, resulting in the valves opening at the wrong time.

How do you diagnose a bad pulley?

Symptoms of a Bad or Failing Idler PulleyVisibly worn pulleys. One of the first symptoms of an issue with an idler pulley is visible wear on the pulley. … Belt squealing. Another common symptom of a possible issue with the idler pulley is squealing from the engine belts. … Damaged bearing or pulley.

Can a bad serpentine belt cause acceleration problems?

Hi Brandon. Typically a damaged belt tensioner will not impact vehicle performance. It would cause the serpentine or drive belt to wear prematurely or to squeak – but not cause the acceleration issue.

What damage can a broken serpentine belt cause?

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.

Do serpentine belts make noise?

Worn/Cracked Serpentine Belt – Serpentine belts have grooves which fit into grooves in the pulleys. Over time, the friction wears down these grooves, resulting in a loose fit. A worn belt can, therefore, begin to slip, which is one of the causes the squeal.

How do you know if your serpentine belt is going bad?

Symptoms of a Bad or Failing Serpentine/Drive BeltSquealing noise from the front of the vehicle. If you notice a squealing noise coming from the front of your vehicle, it could be from the serpentine belt. … Power steering and AC not working. If the serpentine belt completely fails and breaks, then your car will break down. … Engine overheating. … Cracks and wear on the belt.

Will a car start without a serpentine belt?

The short answer is yes, a car can start with a broken serpentine belt. Your serpentine belt is responsible for powering the accessories in your car so if your serpentine belt is broken or disconnected it would not prevent your car from starting.

What does a bad serpentine belt sound like?

Symptoms of a broken serpentine belt include loud slapping, squealing or knocking noises coming from under the hood. The battery-shaped charging system warning light might also come on because the alternator will stop charging the battery. If a car has a hydraulic power steering pump, the steering will become stiff.

Can antifreeze damage a serpentine belt?

Oil and antifreeze leaks can also contribute to belt slippage. … All these things are controlled by a properly functioning serpentine or V-belt. Once your belt is compromised, it can produce further damage to the vital systems—such as the alternator, water pump, power steering and air conditioning—that depend on it.

Can I drive with a bad serpentine belt?

This is all because many cars have one serpentine belt that drives the water pump, the power steering pump, the alternator and the air conditioning compressor, and the fan. … It is best to not drive a car with a broken belt, even for a short distance.

When should I replace my serpentine belt tensioner?

It should be noted that the drive belt itself will most likely need replacing before the tensioner does. Drive belts typically last anywhere between 40,000 and 70,000 miles. There aren’t a lot of warning signs that a drive belt tensioner has hit the end of its lifespan, in fact there is really only one.

How important is a serpentine belt?

Well, it won’t keep your pants up, but it does transport power to your vital automotive components. The serpentine belt is one long, snaking, winding belt that keeps your alternator, power steering pump, air conditioning and — in some cases — your water pump running smoothly and effectively.

How often should you replace your serpentine belt?

every 4 to 6 yearsUnder normal conditions, the belt needs to be replaced every 4 to 6 years. However, those living in areas where the temperature and humidity can vary greatly throughout the year may need to change it more frequently.

How much does it cost to replace a serpentine belt?

It is very inexpensive to replace a serpentine belt whether it’s broken or loose. The replacement cost is only going to be between $100 and $200 in most cases. The belt itself will cost between $25 and $80 while the labor costs will probably be between $75 and $120.

How long can a car run without serpentine belt?

around 70-90 minutesOnce it reads “normal” it only takes a short time before it gets too hot. The battery on the other hand, will happily run the car and accessories on average around 70-90 minutes without the alternator, provided you don’t have headlights or anything high-drain on.

Will a new serpentine belt improve performance?

If your old belt was glazed and slipping, then yes. The new belt does not slip therefore everything is turning and generating at full capacity, hence the improvement you see. Not really. All of your accessories(power steering, air-conditioning, etc.)