How often does a serpentine belt need to be replaced? Serpentine belts are built to last—much longer than before because of advancements in rubber technology. Under ideal conditions, a belt should stick with you for an average of 60,000 to 100,000 miles. Pretty impressive.

How many years do serpentine belts last?

Serpentine belts last a lot longer than older V-belts ever did, but they still wear out over time. The typical replacement interval for serpentine belts and flat belts today is around 90,000 miles – which for many vehicles means only once every seven to nine years! That's a lot of miles between belt changes.

How do I know if I need to replace my serpentine belt?

The easiest way to know that a new serpentine belt is needed is if you hear it squealing while the engine is running. A heavy rainstorm might cause a bit of squealing, but if there are any fluid leaks, it's time to replace it right away.

How many miles can you put on a serpentine belt?

Typically, serpentine belts last anywhere from 50,000 to 100,000 miles. Over time, friction and heat break them down.

How much does it cost to replace a serpentine belt?

A typical serpentine belt start at around $25 and goes up to $75 at most. If you know some car repair basics, you could change the belt yourself, and it may save you paying labor charges somewhere between $75 and $120. All together, you're looking at around $100 to $195 to replace your serpentine belt.

20 related questions found

What does a worn 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.

Will a new serpentine belt improve performance?

No. If anything, more friction from your belt will reduce the power you put to the wheels.

Can a serpentine belt last 200000 miles?

With that being said most serpentine/drive belts can last for a very long time before they need to be replaced. The lifespan of the belt will depend mostly on the type of material it's made of. Older style belts generally last about 50,000 miles, while those made from EPDM can last up to 100,000 miles.

Should I replace tensioner with serpentine belt?

You should expect to replace your belt tensioner in the 40,000-70,000 mile range. It is also customary to swap more than one part simultaneously, usually a worn-out pulley from other systems and even the serpentine belt itself.

How often should belts be replaced on cars?

A good rule of thumb is to replace your V-Belt every 30,000 miles, while your serpentine belt and timing belt should be replaced every 50,000, although these numbers vary depending on the make and model of your car. Hoses should typically be replaced every four years.

How long should engine belts last?

Most cars today actually operate using a single belt, called a serpentine belt. Generally speaking, you should replace it every 3 years – more often if you notice wear or missing teeth – unless it's made from EPDM (ethylene propylene diene monomer).

What makes serpentine belts 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.

How long do car engine belts last?

Today, most serpentine belts are expected to last anywhere from 60,000 to 100,000 miles. Some belts can last significantly longer than this, while others give out before 60,000 miles. Make sure to check your owner's manual to find out the recommended belt replacement time frame.

Can a timing belt last 150000 miles?

This is where all of the discrepancy of maintenance and replacement occurs. Depending on what schedule you may read, including information distributed by the manufacturers themselves, the average life span of a timing belt is between 60,000 and 105,000 miles or after 7 to 10 years regardless of mileage.

What is a serpentine belt vs timing belt?

The serpentine belt is located on the outside of the engine

It's a long rubber band stretched out on the side of the car, connecting the engine to key components of your car. For instance, the timing belt spins the alternator, which converts engine power to electricity.

How much does it cost to replace a drive belt?

But what does a serpentine belt replacement cost? Of course, it depends on your make and model as well as labor costs, but in general a replacement serpentine belt costs around $70-$200 (plus taxes and fees), including around $50 for the belt and around $150 for the labor.

Can a serpentine belt cause transmission problems?

A Broken Serpentine Belt Could Ruin the Transmission

If your car's serpentine belt breaks, the transmission could be damaged. Almost as soon as your car's serpentine belt breaks, the engine will begin to overheat. Without the belt running, the water pump won't be able to adequately cool your engine.

How do I know if my pulley serpentine belt is bad?

Symptoms of a Bad Timing Belt Pulley

  1. Shaky, or Otherwise Incumbered Belt Motion. ...
  2. Visible Wear On Your Pulleys. ...
  3. Belt “Squealing” or “Whining” Noises. ...
  4. Knocking or Slapping Noises. ...
  5. Damaged Bearings or Pulleys. ...
  6. What if the Pulley Seems Fine, But There's Still an Issue? ...
  7. Need to Replace Your Timing Belt Pulleys?

Will a bad serpentine belt cause alternator problems?

The vehicle may frequently overheat. Your air conditioning or power steering may fail to work or not work properly. You may notice your vehicle battery failing to recharge if the alternator is affected by a bad serpentine belt.

How often should I change my serpentine belt?

How often does a serpentine belt need to be replaced? Serpentine belts are built to last—much longer than before because of advancements in rubber technology. Under ideal conditions, a belt should stick with you for an average of 60,000 to 100,000 miles. Pretty impressive.

What three things should be checked when checking automotive belts for wear?

Look for Wear Signs

  • Look for glazing on the top of the belt, as well as the grooves. ...
  • Check for fraying and cracking on the top and edges of the belt, as well as on the belt ribs. ...
  • Check the serpentine belt's tension by finding the longest run between drive pulleys and pressing down on the middle of the belt.

How long will a glazed serpentine belt last?

As a rule, serpentine belts in older vehicles typically had a recommended replacement interval of 50,000 to 60,000 miles . But on most newer vehicles (10 years or less in age), the recommended replacement interval is usually 100,000 miles.

Is alternator belt and serpentine belt the same?

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. Cars of the past relied on multiple drive belts, but today's vehicles (usually) count on just one, the serpentine belt.

What happens if a belt breaks while driving?

Your car cannot run with a broken timing belt. By the time the belt snaps, the damage is already done, and you will not be able to drive at all. You will need to have the vehicle towed to an auto repair workshop.