Car Tyres Bulges: Causes and Solutions

Your car tyres are important for your vehicle since they keep it stable on the road surface. Car tyres run on roads without the fear of skidding due to their perfect mechanism that includes factors like tread pattern, tread depth, contact patch and air pressure.

Tyre makers consider the factors like road conditions and weather and design the tyres accordingly. However, harsh conditions are always ready to kill even premium quality Yokohama Tyres Derby.

Due to harsh road conditions, bad weather and other damaging factors, tyres face several problems during their lifespan.

In this blog, we will discuss bulges on tyres. This is a common issue that makes the tyres unable to perform their natural functions effectively.

What is a Tyre Bulge?

You may observe blister-like shapes on the sidewall of your car tyres. This swelling in the lateral surface of your tyres is called a bulge. This deformation is almost invisible in the initial stage and takes its form gradually. If you ignore the initial signs and carry on driving on the faulty tyre, the bulge will increase its shape over time. At this stage, you need to immediate action to avoid further damage.

How Do Bulges Take Place in Tyres?

Generally, the tyre makers make the final shape of car tyres with the help of the following components.


You will see beads at the peak if you look through a C-shaped cross-section of the car tyres. This part is responsible for the perfect mounting of the tyre on the wheel rim.

Cord Carcass:

Cords cover the whole area of the carcass and rubberized layers of threads make up its basic construction.


This is the side part of a carcass. It prevents the carcass from damage.


This part of the tyre directly touches the road surface. It has a thick layer of rubber.

This construction of car tyres will be helpful for you to understand bulges.

A bulge on the sidewall of the tyre is related to the condition of the cords. A damaged cord will create internal pressure on the tyre and you will see the impact in the form of a protrusion on the surface. The bulge will increase its size if the car driver ignores the condition and do not change the faulty tyre.

Why Would a Bulge Occur on Your Car Tyres?

Bulges will not tease your tyres if you maintain them well. In fact, you invite them and you do not realize it at the time of invitation.

Bulges will occur on the sidewall of your car tyres if you drive frequently up a kerb when parking your car.

It is an ideal condition for a bulge to occur if your car hit a pothole. If your bulged car tyres are overinflated, this condition will create an ideal condition for a tyre blowout as well.

If you see a bulge on your new tyre, it is possible that a manufacturing defect is present in the tyre. You have to talk to your dealer about this problem.

Should You Drive Your Vehicle on Faulty Tyres?

Experts say that it is not safe to drive cars on tyres that have bulges on their surface. Especially, the risk is higher at the high speed.

Due to faults in the tyres, your tyres may reduce grip and traction. Moreover, you will feel a loss of steerability and you may experience a loss of control over the vehicle as well. Your car tyres may overheat due to a bulge on their sidewall as well.

Further, bulges on the body of tyres will lead to the loosening of vehicle suspension, wear and tear in wheel bearings, and faults in shock absorbers and ball bearings.

The chances of damage will increase in the following circumstances:

Your car hit a pothole or a hard object when it is at a high speed.

When you start your car suddenly or apply car brakes as well.

You drive your vehicle with overloading.

What if you have to drive your car on a faulty tyre?

You need to change your faulty tyres as soon as possible. If you have to drive your car for any reason on tyres with bulges, you may consider the following precautions:

Do not drive your car to cover a long distance. Do not drive your car at a high speed.

Do not overload your vehicle even if your car tyres are in perfect condition.

Try to reduce the inflation level. However, it is not a recommended practice.

Avoid potholes, bumps, and other hard objects on the roads. Moreover, be extra careful when you drive on an uneven road surface.

How to fix this issue?

You would not get your supporters if you want to repair the faulty tyres. It is the best approach to change the bulged Cheap Tyres Derby.

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