Belt shredded after repair

I recently had my starter and serpentine belt replaced. The other night, the belt burned up and wrapped around the pulley and shredded. When I initially had the starter and belt replaced, the horn, radio, and AC did not work, even though they did work before the repair.
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The pulleys and a/c would have to be checked for one or more being seized up causing the belt to shred. I have seen the a/c pulley bearing seize and tears up the compressor. I have also seen the tensioner or idler pulley seize. The last problem is the water pump seizing. All these can shred the belt. The last thing would be if the belt was not installed correctly and shredded from not being on the pulley’s correct when installed. I recommend you have a mechanic, like ones from YourMechanic, replace the serpentine belt and inspect all the pulleys.

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If your serpentine belt keeps shredding, it`s likely due to one of two issues. Either the belt is old and needs to be replaced, or there is something wrong with the pulleys that the belt runs over. If you`re unsure which it is, take your car to a mechanic and have them take a look.
A component that the belt drive has failed (ie: power steering pump, alternator, a/c compressor, etc.), some kind of foreign material has gotten into the belt and caused damage, or a idler/tensioner has failed and allowed the pulley to either lock up, or will allow the pulley to wobble.
A broken serpentine belt means your engine loses that cooling factor if it powers your water pump. Your car`s engine will start to overheat rapidly as a result. The temperature gauge will rise into the red zone, and the Check Engine light will illuminate once temperatures exceed safe levels.
What are the dangers of driving with a broken alternator belt? If you continue to drive with a broken alternator belt, you run the risk of loosening your engine`s cooling systems, which can result in the engine overheating—this can lead to severe engine damage and, in some cases, total engine failure.
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.
If the belt is too loose or slips this could force the engine to stall or shut down. This could be very dangerous if the car is on a busy road or motorway. i The car battery is dead. If the issue is severe, the battery will not be able to maintain its charge and could die shortly after the car has been started.
How long will my car run with a broken serpentine belt? There are a few variables involved in the answer, but it should be able to run between 20 to 90 minutes. If it is a hot summer day, your engine can overheat very quickly without the coolant being pumped through the radiator.
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.
A seized or loose drive belt tensioner can cause the belt to snap, which will disables those accessories and can cause problems such as overheating, a dead electrical system and battery, or a disabled AC system.
If the belt breaks while you are on the road, the car will break down immediately – and your engine can experience severe damage. You need to look out for signs and symptoms of a weakening timing belt so that you can take action before it is too late.
Fraying. Misaligned pulleys and worn bearings often lead to frayed edges on the belt. If left unchecked, the belt will break or be thrown off, and engine damage can occur. Replace the belt and check the alignment of the pulleys.
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).

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

hey i had a belt break while traveling on my 2004 honda pilot. It is the small belt and not the serpentine belt. The mechanic t
ANSWER : Hello. The smaller belt is known as your timing belt, and it works inside the engine to keep mechanical components aligned with each other during the compression cycle. The serpentine belt, which is the big belt, drives the alternator, water pump, AC compressor, and a couple of other components. If the small belt broke it is likely the timing belt. This will cause the car to stall, lights to illuminate, and can even cause serious damage to the engine. Typically replacing a timing belt is a lot more complicated and expensive than replacing a serpentine belt. You may want to receive a second opinion on the car before you go ahead with repairs.

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The serpentine belt shredded in my brother car today while I was driving it my question is can his belt shred do to me driving sho
ANSWER : Hi there. If the serpentine belt had ANY signs of damage, it could shred by simply starting the car; so I wouldn’t blame yourself or have him blame you. The serpentine belt typically will wear out over time naturally, but oil leaks or items under the vehicle can hit it, which can cause it to shred.

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Can you change the defected water pump without changing its defected belt (which is the drive belt and only belt in this model of
ANSWER : Hello. Yes you can replace the water pump without replacing the serpentine belt. If the belt is worn, and it breaks while you are driving, you can damage a lot of other components in that area. Typically the price of a serpentine belt is relatively inexpensive. You will have to remove the belt to replace the water pump anyway. Since you are likely going to have to purchase a new pump, we do recommend that you purchase a belt at the same time. You SHOULD replace the belt if it is worn, and this is a perfect time to do it. It is not necessarily required, but you are putting yourself at risk of another break down at a later time. Not to mention if the belt is already worn, manipulating off and back onto the vehicle while changing the water pump can further damage it, and shorten the amount of time its got left. Belts should be replaced before they break, as to the amount of damage they can cause when they do break. Again, you may be able to get away with not replacing the belt right now, but if its as worn as you say, its going to break sooner than later and should be replaced.

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Why my drive belt keep shredding ?
ANSWER : Usually, by the time a Mercedes drive belt is ready to be replaced, the tensioner is shot too. If you haven’t replaced the tensioner, than you should. If the pulley that was replaced was in fact tensioner, then you need to look at the individual devices. If you have an AC compressor or an alternator that is trying to lock up, the extra load on the belt will make it slip, and eventually burn up. Additionally,if any of the mounts are loose, causing alignment issues, then the belt will not last very long. As a final thought, make sure the routing of the belt is correct. Some of these belts are routed like a Rube Goldberg mousetrap and it’s possible to fit the belt up in several ways, but only one of them is right. If you decide to delegate this work, you can contact Your Mechanic to have a technician come out to your home or office to check out your car and take care of your belt for you.

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Timing belt is tight and yet appears to be slipping several teeth when belt is rotated,
ANSWER : This is okay since there are more notches on the belt than the amount on the sprockets. Once you aligned the first time the belt marks will almost never line up perfectly again. The marks are used to put the belt on correctly. They aren’t used as an indicator after the engine is turned again. You should be okay to start the motor as long as timing marks on pulleys line up. If you run into any issues, have a certified technician, like one from YourMechanic, assist you with the replacement of the timing belt.

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belt is missing, squeeling sound before stopped engine, once stopped saw smoke coming from engine department
ANSWER : Hi there:

In cases like then when you’re not sure what component needs to be replaced, it’s always best to have one of our professional mobile mechanics complete a car is hard to start inspection first. This will allow the mechanic to review your car for damage that is causing the symptoms you’re experiencing and then recommend the right replacement or repairs be completed to resolve your issue.

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Timing Belt Cover replacement and External Belt too.
ANSWER : The parts are touching likely because either the parts were not installed properly or fasteners may be missing or broken. If oil has been leaking, this can cause the seal around the covers to swell as well causing misalignment. Consider hiring an experienced technician like one from YourMechanic who can come out and take a closer inspection of the belt drive to see what is causing the misalignment and offer a more personal diagnosis as well as estimate the proper repairs.

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Belts are cracked and need replacing, okay to leave off a/c belt?
ANSWER : Hello. If the belt driving the A/C compressor only drives the A/C compressor and nothing else, you can remove it with no consequences. The fan shroud is not optional equipment however as it has both a cooling system function and a safety function.

Depending on your climate, you might consider diagnosing the A/C system and repairing it. If you use a service such as YourMechanic, it will often be economical enough to do it, particularly if the fault is limited.

Even if the compressor shaft sealing is leaking (would be likely after 25 years), that is fixable in the field. Feel free to contact YourMechanic if you have additional needs relative to this or the replacement of your power steering, alternator, A/C belts.

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