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How serious is a cracked drive belt?

Author

William Rodriguez

Published Jan 09, 2026

If your drive belt is damaged, don't take chances. You could drive for miles without a problem, or you could end up stranded by the side of the road. Worst case scenario, a damaged belt could cause extensive damage to other vehicle components.

How long can a cracked drive 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).

Is it safe to drive with a cracked serpentine belt?

Basically, you should be able to drive it to a safe space where it can be towed or repaired. If the belt is snapped and dangling in the engine compartment, remove it before moving the vehicle to prevent further damage.

Can you drive with a broken drive belt?

Technically, yes, you can continue driving your car, but not for long. For instance, without power steering, you're likely to get exhausted very quickly from driving. Still, that's not the worst part. Without a functioning belt, the water pump can't cool the engine.

What happens if drive belt breaks while driving?

You'll lose power steering. Once the power steering pump stops turning, you'll lose all hydraulic steering assistance. This makes the steering wheel harder to turn, especially at low speeds. Belt fragments can strike and even wrap themselves around the pulleys and other engine components.

37 related questions found

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.

How much does it cost to fix a Cambelt?

How much does a cam belt cost? The price of a new cam belt or timing belt plus labour varies depending on the make and model of your vehicle. Prices for parts and labour can start from around £250 and go up to over £500, or even over £1,000 for some luxury vehicles.

Can you drive a car without belt?

If you're wondering whether or not you can drive your car without a serpentine belt, the answer is no. There are many dangers to driving without a serpentine belt. A car can only take out so much slack from other components before they fail and stop working altogether.

How important is a drive belt?

Among all the various belts in your engine that are essential to your vehicle's maintenance and performance, one of the most critical is the drive belt. It works to spin your alternator, AC compressor, power steering and most of your vehicle's additional accessories.

When should I replace my drive belt?

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.

What does a cracked drive belt mean?

Cracks and rot are, of course, indications that you should replace the drive belt. Any crack that's more than halfway through the belt has to be replaced immediately. If your drive belt is damaged, don't take chances. You could drive for miles without a problem, or you could end up stranded by the side of the road.

How long can I drive with a squealing belt?

It's recommended to have a squealing belt immediately replaced after spotting the symptoms and signs. Although you may be free to drive with a squealing belt, the issue will be worsening over time. You can only go for a few weeks or days; replacement is necessary; the earlier, the better.

How long does it take to replace a 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.

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

Is drive belt same as Cambelt?

A timing belt makes sure that the engine's pistons, valves, and crankshaft, and camshaft are in time or operating in sync. On the other hand, the drive belt is responsible for using the engine's revolutions to drive the belt-driven accessories like the alternator, water pump, AC compressor, and power steering pump.

How do I know if my drive belt is bad?

Common signs include a squealing noise from the front of the vehicle, power steering and AC not working, engine overheating, and cracks on the belt.

How do you replace a drive belt?

Steps

  1. Loosen Tension And Remove Belt. Locate the adjustment fastener and loosen it. ...
  2. Inspect Drive And Drive Pulleys. Check the drive and pulley wheels. ...
  3. Select Correct Replacement Belt. ...
  4. Install New Belt. ...
  5. Correctly Tension New Belt. ...
  6. Start The Engine.

How many drive belts does a car have?

There are two belts you need to be familiar with when talking about car maintenance — the serpentine belt and the timing belt. The serpentine belt winds through your engine and carries power to several key components, including the alternator, air conditioning, and power steering pump.

How hard is it to replace serpentine belt?

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.

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.

Is it worth it to fix a broken timing belt?

In a nutshell, a broken timing belt leads to serious engine damage. It is sometimes cheaper to replace the whole engine rather than repair it. Replacing a timing belt ahead of time is so much cheaper than repairing the damage caused by a broken timing belt.

Will a broken timing belt destroy my engine?

As your vehicle gets older and accumulates miles, its timing belt wears out and becomes compromised. While timing belt replacement is a simple service to perform, if a worn out timing belt snaps, it can seriously damage your engine and cost you thousands.

How much does a timing belt cost UK?

How Much Does a Timing Belt Replacement Cost? The average UK timing belt replacement cost is £350. However, the price can range between £200 and £1,200!

Does Walmart replace serpentine belts?

Walmart does replace serpentine belts at some Auto Care Centers as of 2022. The price can range from $150 – $200 for replacing the serpentine belt, which includes the belt and labor. It is recommended to call your local Walmart Auto Care Center beforehand to see if the store offers this service.

What causes a serpentine belt to 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).