The TOP Reasons Behind: Why Do Tires Blow Out?
There is actually one common but often overlooked road safety issue, as not everyone is asking themselves the question — why do tires blow out?
While driving, I’m sure you’ve witnessed the remnants of burst tires scattered on highways. This isn’t just about debris; it’s a sign of the inherent risks lurking within our tires.
Now, tire bursts not only can be frightening, but the sudden loss of control they cause is also a major safety problem and can lead even to fatal accidents.
That’s why today I want to take your focus exactly there – to help you with the core elements of why tires burst and answer what that means for you on the road.
Digging into ‘why do tires blow out” is not just mechanically insightful; it’s important for preventive knowledge.
As we move to explain the top reasons for tire blowouts in the next section, remember that common causes range from the physical (like overloading and temperature changes) to the easily overlooked (such as regular wear and tear).
It’s important to recognize these factors to prevent blowout incidents and ensure your safety on the road.
Top Reasons for Tire Blowouts
Imagine this: you’re cruising down the highway, music playing, when suddenly you hear a loud POP and your vehicle lurches. Not a good image inside the head, right? A tire blowout has occurred, and it’s not just a hiccup in your travel plans but it can also be the reason of an accident.
So, what causes these sudden incidents?
I’m going to uncover the top reasons for tire blowouts, not to scare you, but so can prevent them.
1. Overloaded Vehicle:
Let’s start with overloading your vehicle.
Your tires have a maximum load rating for a very good reason. Exceeding this limit exerts additional pressure on your tires, compromising their structural integrity and increasing the risk of a blowout. It’s essential to know your vehicle’s load capacity and respect it.
Now, you may be asking: what are those maximum load ratings, and how do I know what weight my tire can support?
Tire Load Ratings (a.k.a Tire Load Indexes) are expressed as a number and indicate the maximum weight that EACH tire can safely support when properly inflated.
You’ll find this information on the tire’s sidewall, typically alongside the tire size designation. Like it’s shown in the photo – look where it says 215/60R17 96H.
Notice the last number: 96 — that’s the load index of the tire.
Now, this number on its own is NOT the weight the tire can support. For example that 96 doesn’t mean 96 kg or lbs.
Instead, every number is an index and each index corresponds to a weight.
Below I will explain those indexes in a chart so you can get one clear vision.
You can see the Load Rating and the corresponding value in Kilograms (kg) and Pounds (lbs). You can even check your own tires and see how much weight they can support.
Load Rating | Load Capacity (lbs) | Load Capacity (kg) |
---|---|---|
71 | 761 | 345 |
72 | 783 | 355 |
73 | 805 | 365 |
74 | 827 | 375 |
75 | 853 | 387 |
76 | 882 | 400 |
77 | 908 | 412 |
78 | 937 | 425 |
79 | 963 | 437 |
80 | 992 | 450 |
81 | 1019 | 462 |
82 | 1047 | 475 |
83 | 1074 | 487 |
84 | 1102 | 500 |
85 | 1135 | 515 |
86 | 1168 | 530 |
87 | 1201 | 545 |
88 | 1235 | 560 |
89 | 1279 | 580 |
90 | 1323 | 600 |
91 | 1356 | 615 |
92 | 1389 | 630 |
93 | 1433 | 650 |
94 | 1477 | 670 |
95 | 1521 | 690 |
96 | 1565 | 710 |
97 | 1609 | 730 |
98 | 1653 | 750 |
99 | 1709 | 775 |
100 | 1764 | 800 |
101 | 1819 | 825 |
102 | 1874 | 850 |
103 | 1929 | 875 |
104 | 1984 | 900 |
105 | 2039 | 925 |
106 | 2094 | 950 |
107 | 2149 | 975 |
108 | 2205 | 1000 |
109 | 2271 | 1030 |
110 | 2337 | 1060 |
111 | 2403 | 1090 |
112 | 2469 | 1120 |
113 | 2535 | 1150 |
114 | 2601 | 1180 |
115 | 2679 | 1215 |
116 | 2756 | 1250 |
117 | 2833 | 1285 |
118 | 2910 | 1320 |
119 | 2998 | 1360 |
120 | 3086 | 1400 |
In our example from above, the tire from the photo with the Load Rating of 96 can support 1565 lbs or 710 kg. Now if we suppose the four tires are the same, multiply the number by four times, and we get the max weight the whole vehicle can support. That will be 6260 lbs or 2840 kg.
However, total supported weight includes everything—the vehicle itself, people inside it, and any cargo. So when you load your vehicle with cargo that is heavy or when you have more passengers, take this in count.
2. Tire Pressure:
Then there’s tire pressure and it’s a balancing act.
Underinflation leads to extra friction, causing the tires to overheat and potentially fail.
On the other hand, overinflated tires are less able to absorb road impacts, making them more susceptible to damage.
Regularly checking your tire pressure can go a long way in preventing blowouts.
In my opinion, tire pressure is something that is underestimated by a lot of drivers. Sometimes I can even relate to myself, as I tend to forget these little details, which is not good. BUT..
That’s why I have some special articles about tire pressure. You can check them below.
I’m sure you will find them a valuable resource.
👉 Why Do Tires Lose Air, Even if Everything Seems Good?
👉 Does Cold Affect Tire Pressure?
👉 Tires Wearing In The Middle?
👉 The “Tires Wearing on the Inside” Issue.
👉 Why are My Tires Wearing on the Outside?
Indeed, overinflation and underinflation can cause a lot of problems, and not only tire bursting. It’s better to be informed than sorry.
3. Wear and Tear.
Wear and tear might seem obvious, but be careful here. Tires with worn tread can’t grip the road effectively, particularly in inclement weather, which can lead to loss of control and blowouts.
Always keep an eye on those tread depth indicators.
4. Seasons and Weather.
Heat is another key culprit.
High speeds on hot pavement can cause your tires to overheat and, you guessed it, burst. Seasonal changes can also lead to pressure fluctuations, so adjusting tire pressure according to the weather is a smart move.
👉 Learn how to adjust according to temperature.
5. Road Hazards.
Lastly, remember the silent threats like nails, glass, or debris on the road.
Even a small puncture can lead to a slow leak and eventual blowout. It’s a good idea to visually inspect your tires often and before long trips.
But can every road hazard break your tires?
One time I was parking next to a trash container, but my wife noticed some broken glass on the ground, so she got me wondering: what does it really take to pierce your tire? Are those small glass particles on the ground that evil?
It seems that it’s not exactly like this, as the science behind the rubber tires is far more complicated.
That’s why I made an article about what CAN puncture a tire and what CAN’T. I had fun writing it, it will help you out.
Recognizing Warning Signs: How to Prevent Tire Blowouts
I’m going to guide you through the steps you can take to minimize the risk of experiencing a tire burst.
It’s not just about reacting to a tire failure; it’s also about understanding and acting on the early warning signs that could save you from an unexpected and potentially dangerous situation.
Remember, each time you ask yourself why do tires blow out, LUCK is a word you must remove from your dictionary. Tire bursting is actually something that CAN be prevented.
1. Regular Maintenance.
Your first line of defense against tire blowouts is regular maintenance checks.
They ARE important.
I can’t stress enough how scheduled inspections can be the difference between a safe journey and a roadside emergency. Check for anything that seems out of the ordinary, like cracks, bulges, or objects embedded in the tire.
2. Maintain Your Tire Pressure.
Now keeping tabs on tire pressure is a simple habit that goes a long way.
Your tires need to be just right – not too soft, not too hard. Riding on underinflated tires causes unnecessary stress and heat buildup, while overinflation can make your tires more prone to damage from potholes or debris.
3. Regular Inspections.
Take a moment to look at your tires’ wear patterns.
They can tell you a lot about your vehicle’s alignment and suspension. Uneven wear might suggest that it’s time for a wheel alignment or to check the suspension components.
It’s these subtle hints that often get overlooked, yet they’re shouting to you that all’s not well.
If you’re ever in doubt, bring your vehicle into a reputable tire shop or your car’s dealership for a professional inspection. They’ll let you know if it’s time for your tires to be replaced.
Remember, it’s better to be proactive with tire issues rather than reactive after the fact.
Blown Away But Still the Master of the Situation.
And let’s talk about how to handle a tire burst if it does happen.
I like the easy step-by-step guides, so if you follow those steps, you’ll be fine, I promise.
Remember, you ARE the master of the situation and must remain all the time, and here is how:
- Stay Calm and Focus – you may be tired of hearing this, but this is actually the key. Never panic!
Panic in situations like this is your enemy. You need to stay calm and focus. Everything will be fine, don’t worry. Just use your brain and react to the situation. - Use Turn Signals and Hazard Lights – put your emergency hazard lights ON to indicate to the other drivers that there is a problem with your vehicle, so they can be alerted and slow down.
- Grip the Steering Wheel Firmly – put both your hands on the steering wheel and hold it firmly. You have to control your vehicle at the maximum possible level.
- Do Not Slam the Brakes – it is an error that is done mostly by inexperienced drivers.
Slamming on the brakes in an event of a tire blowout will further destabilize the vehicle.
Instead, gently ease off the accelerator, and if your transmission is manual, try to slow down using your engine – by downshifting the gears one by one.
You can even try to decrease your gear 2 by 2, but be cautious as this may hurt your engine. Just let your vehicle slow down gradually. - Steer Straight – avoid steering.
Try to keep the vehicle moving in a straight line as much as possible. If you are pushed to one side, try to GENTLY steer in the other side. - Pull Over Safely – once your vehicle is under control and at a safe speed, move to the side of the road to a safe location in a way that your vehicle won’t be a danger for the others.
You can then change your tire then or call for assistance.
We have a detailed article on how to change your car tire, the easy way. Check it out by clicking on the link.
The Impact of Technology and Future Insights
Let’s look at the road ahead and the exciting developments in the pipeline for tire technology.
It isn’t just about what causes a tire to blow out, it’s also about how innovation can help us prevent it. In my opinion, staying informed about these advances is as critical as understanding the causes of tire failures.
Advancements in tire manufacturing are going full throttle, aiming to produce tires that aren’t just tough, but smart as well.
This means a future where tires could communicate with drivers, warning them about potential issues before they result in a blowout.
The Internet of Things (IoT) is transforming the automotive industry, and smart tires are part of this revolution.
Imagine having a tire that tells you it needs more air or is getting too hot – that’s going to include a level of safety that we’ve never had before.
There may also be changes in legislation on the horizon as technology evolves, possibly introducing stricter safety standards and inspection protocols. It’s significant, because these laws will directly influence the ‘WHY’ behind tire blowouts, aiming to reduce their occurrence.
I really hope that you see the importance of understanding the reasons behind why do tires blow out. It’s a topic that melds safety with innovation.
As drivers, we can look forward to technology that will not only inform us but protect us on our journeys.
Always have in mind that a tire blowout is PREVENTABLE, and never leave things to the “luck”. This will make all the difference.
And remember, the next time you’re behind the wheel, it’s the knowledge of the ‘why’ that empowers you to take control of the ‘how’ to stay safe.
Do you have a question? Leave it below, I will answer all your doubts. I can’t wait to hear your opinion on the topic.