Audi S5 Serpentine/Drive Belt Replacement Costs (2023)

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Serpentine/Drive Belt Replacement Service

How much does a Serpentine/Drive Belt Replacement cost?

On average, the cost for a Audi S5 Serpentine/Drive Belt Replacement is $134 with $39 for parts and $95 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
2011 Audi S5V8-4.2LService typeSerpentine/Drive Belt ReplacementEstimate$422.81Shop/Dealer Price$517.28 - $631.92
2012 Audi S5V6-3.0L TurboService typeSerpentine/Drive Belt ReplacementEstimate$339.03Shop/Dealer Price$425.09 - $626.90
2009 Audi S5V8-4.2LService typeSerpentine/Drive Belt ReplacementEstimate$362.81Shop/Dealer Price$457.40 - $572.13
2010 Audi S5V6-3.0L TurboService typeSerpentine/Drive Belt ReplacementEstimate$339.03Shop/Dealer Price$425.03 - $626.80
2014 Audi S5V6-3.0L TurboService typeSerpentine/Drive Belt ReplacementEstimate$204.47Shop/Dealer Price$256.92 - $357.85
2015 Audi S5V6-3.0L TurboService typeSerpentine/Drive Belt ReplacementEstimate$316.67Shop/Dealer Price$397.13 - $582.18
2017 Audi S5V6-3.0L TurboService typeSerpentine/Drive Belt ReplacementEstimate$231.99Shop/Dealer Price$274.87 - $381.28
2018 Audi S5V6-3.0L TurboService typeSerpentine/Drive Belt ReplacementEstimate$231.99Shop/Dealer Price$275.24 - $381.94

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What is a serpentine belt and how does it work?

A serpentine belt is a relatively long, flat, multi-ribbed belt that is driven by the engine’s crankshaft pulley. The belt drives many, and often all, of the engine accessories such as the alternator, air conditioning compressor, power steering pump, water pump, and air pump. The serpentine belt is tensioned by a hydraulic or spring-loaded automatic tensioner. Some older cars use a serpentine belt to drive most accessories but will also have a shorter v-style belt to drive, for example, the power steering pump.

Audi S5 Serpentine/Drive Belt Replacement Costs (1)

Belts

When to consider replacing the serpentine belt:

  • Regularly scheduled maintenance. Typically, belt manufacturers recommend belt replacement at 90,000 miles. However, the belt must be inspected for wear or damage at regular intervals prior to this high mileage.
  • Squealing noise, belt slippage, visible belt damage. Should the belt fail or wear out prematurely, you may hear noise or you may see visible signs of deterioration such as missing chunks of rubber, excessive cracking, or a shredded appearance on the edge of the belt.
  • Battery Light. A loose belt, perhaps caused by a defective tensioner, may not drive the alternator at adequate speed and thus the battery may discharge, causing the warning light to illuminate.
  • Engine overheating. Often, the serpentine belt drives the water pump. In those applications, if the belt breaks the engine will overheat in seconds to minutes. If the belt is inadequately tensioned, you may notice higher-than-normal engine operating temperature.

How do mechanics replace the serpentine belt?

  • Prior to removing the belt, the mechanic must run the engine to determine if the idler pulley and the belt tensioner are noise-free. Those rotating components have grease filled bearings and are subject to wear. In addition, the mechanic will ensure that all pulleys and accessories are turning in the same plane. These steps help make sure your new belt will operate trouble-free for its full-service life.
  • The belt’s routing path through the various components is noted. The belt tensioner is released, usually with a wrench or lever, to release the tension from the belt. With the tension off, the belt slides off the pulleys.
  • All rotating components — that is the alternator, air conditioner compressor, etc. — are checked for smooth operation and no noise.
  • If everything checks out, the new belt is slipped over all of the pulleys while holding the tensioner away from the belt. Once the belt is centered on all pulleys, the tensioner is released and the installation is complete. The engine is run to ensure normal operation.
(Video) Drive Belt Replacement for a 2009 Audi S5 4.2 Liter V8

Is it safe to drive with a serpentine belt problem?

No. Should the belt have visible damage, you risk unexpected and sudden breakage that could potentially leave you stranded. Serpentine belt problems that result in the alternator not charging may cause the battery to discharge, which will result in loss of electrical power to the vehicle. Additionally, if a deteriorated belt breaks and that belt drives the water pump, the engine will overheat in a matter of seconds.

When replacing the serpentine belt keep in mind:

  • On many cars, the expected service life of a serpentine belt is around 90,000 miles. Should the belt fail well prior to that, a very careful inspection should be performed to check for out-of-alignment pulleys, a possibly out-of-position crankshaft harmonic balancer on which the drive pulley is mounted, binding pulleys, or a defective belt tensioner.
  • Attention should always be given to serpentine belt routing, since proper routing is critical to proper belt tension, and function of the driven components.
  • Sometimes it is difficult to distinguish serpentine belt related noise from other engine noises. In these cases, a mechanic will determine the origin of the noise by momentarily running the engine without the serpentine belt attached.

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FAQs

How much does it cost to replace a serpentine belt on an Audi? ›

The average cost for an Audi A4 serpentine belt replacement is between $101 and $131. Labor costs are estimated between $67 and $84 while parts are priced between $34 and $46. This range does not include taxes and fees, and does not factor in your specific model year or unique location.

How much should it cost to replace a serpentine 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.

How many miles should a serpentine belt last? ›

Of the parts that will eventually need to be replaced in your vehicle, the serpentine belt is one of the most important. How long does a serpentine belt last? Being made of durable rubber, a serpentine belt can last anywhere from around 50,000-100,000 miles.

How much does it cost to replace tensioner and serpentine belt? ›

The Average Cost to Replace your Car's Drive Belt Tensioner is Between $235 and $267, Depending on Whether You Go to the Mechanic or DIY. What Is a Belt Tensioner Replacement?

Is Replacing a serpentine belt expensive? ›

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.

How long does it take to replace serpentine belt? ›

It can take anything from 15 minutes to an hour (two at the most) to repair or replace a bad serpentine belt with a new belt.

Can I replace a serpentine belt myself? ›

Automatic belt tensioners, standard in most cars now, make changing a serpentine belt a simple DIY repair. Follow the clear photos and step-by-step instructions and you'll be done in 15 minutes.

How do you know if serpentine belt needs to be changed? ›

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.

Is a drive belt the same as a serpentine belt? ›

But they are actually separate belts. The serpentine belt is long, thin and intertwining. It curves around like a snake, hence the term "serpentine." A drive belt is similar to the serpentine belt in that it performs those same functions.

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.

Can serpentine belt last 200000 miles? ›

On average, serpentine belts should last between 60,000 and 100,000 miles. However, if you're only putting a few thousand miles annually on your vehicle, don't use that mileage interval as the sole guide for when to replace the serpentine belt.

Can a serpentine belt last 150000 miles? ›

An older-style belt, made from Neoprene, usually lasts around 50,000 miles. Thus, a car with this type of belt might last you for four to five years. However, a newer belt made from ethylene propylene diene monomer, or EPDM, may last for 100,000 miles to 150,000 miles.

What happens if my serpentine belt breaks while driving? ›

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.

How far can I drive with a broken serpentine belt? ›

There are a couple of factors influencing the answer to this question, but on average, your car should be able to run between 20-90 minutes with a broken serpentine belt. The engine will overheat faster without a functioning cooling system on a hot day, so your driving window is less.

How do you know if your serpentine belt tensioner is bad? ›

How to Diagnose a Loose or Stuck Belt Tensioner on Your Car or Truck

What does a worn serpentine belt sound like? ›

It can squeak, squeal, chirp and clunk, imitating a bad engine-driven accessory or engine bearing. These noises can fool even the most experienced mechanic and lead to an expensive misdiagnosis. Squeals and chirps are definitely the two most common serpentine belt noises and usually result from different problems.

Can you drive with broken serpentine belt? ›

Under no circumstances can you drive a vehicle without a serpentine belt because the serpentine belt serves the important function of delivering antifreeze to important parts of the engine. The serpentine belt drives the water pump, and without it, there is insufficient coolant flow to maintain the engine temperature.

Does serpentine belt affect acceleration? ›

Can A Bad Serpentine Belt Cause Acceleration Problems? Yes, it could. Bad serpentine belts cause loss of power. Especially in situations where slippage occurs and the alternator supplies power to the ECM.

What happens if you don't replace serpentine belt? ›

You'll lose power steering, the A/C will quit, your battery will eventually die, and the engine might overheat. Plus, it could also damage the engine accessories it controls. This is why it is so important to get your serpentine belt replaced on a regular schedule.

How can I make my serpentine belt last longer? ›

Can You Treat a Belt to Last a Million Miles? - YouTube

What makes serpentine belts 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).

How do I test my serpentine belt? ›

How to Check Your Car's Serpentine Belts for Wear - YouTube

Will AAA replace a serpentine belt? ›

AAA Battery Service: On-the-spot replacement and testing of your battery and charging system. Belts and Hoses: Follow your car's maintenance schedule to know when it may be time for a serpentine belt replacement.

Should I replace tensioner with serpentine belt? ›

Chances are, you'll replace the serpentine belt at least once before you have to replace a tensioner. In most cases, you'll replace the belt several times before the tensioner. But every time you replace the belt, you should check the tensioner. A bad tensioner could ruin a brand new belt.

How do you test a drive belt? ›

Here are tips for inspecting belts:
  1. Look for cracks, fraying, or splits on the top cover.
  2. Look for signs of glazing on the belt's sides. Glazed or slick belts can slip, overheat, or crack.
  3. Twist a serpentine belt to look for separating layers, cracks, or missing chunks of the grooves on the underside.
26 May 2022

How long do drive 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.

How often should drive belts be replaced? ›

It is often beneficial to change the drive belts in your car approximately every 60,000 to 100,000 miles. By undergoing annual car inspections, you can have your drive belts evaluated. If any signs of damage or severe wear and tear are identified, the belts can be replaced.

How long will a cracked serpentine belt last? ›

How long will a cracked serpentine belt last? Serpentine belts typically last between 60,000 and 100,000 miles (although some claim that they last anywhere between 30,000 to 150,000 miles). Still, that doesn't mean you should wait until the 100,000-mile mark to check on your belt.

What are the 3 drive belts? ›

Those mechanical parts and the car belts that help them function are the alternator, water pup, and steering pump. A simple way that the purpose of car belts explained is they distribute power between the different engine components by creating friction between the belt and pulley.

How long does an Audi timing belt last? ›

It is recommended that you change your cambelt every 40,000-60,000 miles. Alternatively, your handbook should tell you the suggested mileage from the manufacturer that you should change your cambelt.

What causes belts to fail? ›

The most common reasons your belt could be missing a cog are excessive heat, the pulleys are too small or misaligned. It can also be caused by improper or prolonged storage of belts.

How many miles does a timing chain last? ›

Every time you use the engine, the timing chain is in use. When does a timing chain need to be replaced? The timing chain normally needs to be replaced between 80,000 and 120,000 miles unless there is a specific problem. Issues with the chain are common in higher mileage vehicles.

Can I timing belt last 130000 miles? ›

The expected lifespan of your timing belt is specific to your car and engine configuration, usually between 60,000 and 100,000 miles.

Can a timing belt last 120000 miles? ›

It's all based on time and mileage of your vehicle. A good general rule of thumb is that a timing belt should be changed every 60,000 to 100,000 miles, although some timing belts are designed to last up to 120,000 miles before requiring a change.

Does age affect serpentine belt? ›

This means serpentine belts made of EPDM may last up to 100,000 miles or more before they have to be replaced. But that doesn't mean they will last forever. A serpentine belt that's aging or slipping may develop a hard glazed surface that makes the belt noisy.

What causes serpentine belt squeal? ›

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. Alternatively, cracks can cause the belt to snap.

What causes Fanbelt noise? ›

Why Is It Making Noise? The sound of a squeaky belt in your vehicle's engine is usually because the rubber belt is slipping on the metal pulley. Similar to when your tires squeal on the pavement, this slip causes a dreadful noise.

Is timing belt same as serpentine belt? ›

A timing belt has horizontal "teeth" that are made to fit both the crankshaft and camshaft. In contrast, a serpentine belt has multiple V-shaped grooves that appear vertically along the belt. Over time, these belts need to be replaced (roughly around the same time).

How often should alternator belt be replaced? ›

Like all other automotive belts, it is made of rubber, and that means that over time, it can deteriorate. Usually, you can expect your alternator belt to last 3-4 years. You should have it inspected regularly – a good rule of thumb is to have your mechanic check the alternator belt whenever you have an oil change.

Can I spray wd40 on my serpentine belt? ›

Belt Dressing - WD-40 Specialist Automotive Range - YouTube

What to spray on belt to stop squeaking? ›

How to QUIET a squeaky belt - YouTube

What noise does a worn serpentine belt make? ›

Squeals and Chirps: The Most Common Serpentine Belt Noises. There are two types of noise that a serpentine belt typically makes. One is the chirp, the other is the squeal. They each are the result of different issues within the front end drive system.

How do I know if my serpentine belt is tight enough? ›

Belt tension trick - YouTube

How do you know if your serpentine belt tensioner is bad? ›

How to Diagnose a Loose or Stuck Belt Tensioner on Your Car or Truck

How do I know if my belt tensioner needs replacing? ›

Appearance: Cycle the tensioner (mounted on the engine) through the entire range of motion (from stop to stop) by applying torque to the arm with a wrench. The tensioner arm should move smoothly and freely. Solution: If you notice a binding, sticking or grinding tensioner arm, the tensioner should be replaced.

What problems can a worn serpentine belt cause? ›

If your serpentine belt is failing, you may notice performance issues with your vehicle. 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 do I test my serpentine belt? ›

How to Check Your Car's Serpentine Belts for Wear - YouTube

Does serpentine belt affect acceleration? ›

Can A Bad Serpentine Belt Cause Acceleration Problems? Yes, it could. Bad serpentine belts cause loss of power. Especially in situations where slippage occurs and the alternator supplies power to the ECM.

What happens if you don't replace serpentine belt? ›

You'll lose power steering, the A/C will quit, your battery will eventually die, and the engine might overheat. Plus, it could also damage the engine accessories it controls. This is why it is so important to get your serpentine belt replaced on a regular schedule.

What happens if serpentine belt breaks while driving? ›

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.

Can you replace a serpentine belt yourself? ›

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.

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