How to Fix Tire Cupping: Proven Tips for Fixing Cupping on Tires

Are you looking for tips on how to fix tire cupping? Do you want to know what causes cupping on tires?


We will go through how the suspension and alignment of your car, the balance of the tires, the condition of the rims, and tire quality all contribute to preventing and resolving tire cupping.


By keeping an eye on your tires and avoiding tire cupping at the source, you can improve your tire’s lifespan, reduce vibration, improve steering wheel control, and ensure the safe functioning of your vehicle.


What is Tire Cupping?

Tire cupping, sometimes referred to as tire scalloping, impairs your driving performance by making your wheels appear to be bouncing up and down. Most of the time, it makes a sound like grinding or rumbling that gets louder as you go faster.


Your tire’s ability to make smooth, even contact with the road is hampered by uneven tire wear, which could be a sign of more serious issues with your car.


Tire cupping, which is sometimes mistaken for a broken wheel bearing, could mean that your shock absorbers or struts need to be replaced because they are worn out or loose, that your tires are of poor quality or not balanced, or that your wheels need to be aligned.


READ: Steps for Changing a Truck Tire


What Causes Tire Cupping?

Before we consider how to fix tire cupping, it’s important to go through what causes cupping on tires.


Poor suspension parts are the root cause of tire cupping. Repairing them as soon as possible will spare you from having to make costly repairs. Let’s look at some of the causes of tire cupping below.


Misaligned tires

Tires that are out of alignment won’t make precise contact with the road or move straight. The result of the mismatched tires may be seen as “sawtooth” tread wear or cupping on the tires. Heel-toe wear is what engineers refer to as “sawtooth wear.”


Unbalanced tires

Tire cupping can also occur when the weight of the car is not distributed uniformly among the wheels. One area of the tire may touch the road with more force than other parts if the unbalanced tire condition is severe. This extra pressure cups the back and front tires a lot, which leads to uneven tread wear.


Worn-out suspension parts

Most suspension parts are not designed to last the entire life of the vehicle. Shock absorbers, strut mounts, control arms, and other parts deteriorate over time. It may result in erratic tire movement up and down. Tires may experience some cupping or bouncing due to this erratic movement.


Damaged or bent rims

When driving, rims that are bent or broken may vibrate excessively. Also, a bent rim can ruin wheel balancing and cause tire cupping.


Fortunately, changing the tire is more expensive than simply mending the wheel, which is all that is required to resolve this problem. As soon as you realize that the rim is bent, you must take action.


Symptoms of Tire Cupping

If you keep driving with a cupped tire, it will become worse and eventually cause additional system problems. As a result, be vigilant for these tire cupping signs and fix them as soon as possible.


Noisy tire

A rhythmic noise emanating from the tire that is louder than typical road noise is a common indicator of a cupped tire. The reason for the strange sounds is that the tires do not properly follow the surface of the road.


Excessive shaking and vibration

Cupped tires will cause the seats and steering wheel to shake excessively. Cupping can be caused by several factors, such as defective tie rods and other suspension parts.


Automobile veering to one side

As stated earlier, tire cupping can result from misaligned tires. To keep the car traveling straight, misaligned wheels frequently require steering adjustment.


Noticeable signs on the tire

Tire cupping can lead to uneven tread wear. Replace the faulty tire after examining the tires for visible deterioration.


READ: Causes of Engine Knocking Sound


Tips for Fixing Tire Cupping

Step 1

Set the emergency brake after parking your vehicle on a level surface.


Step 2

Check each tire individually to determine whether one is cupped.


Step 3

In the area near each cupped tire, press down on the vehicle’s fender. Shocks may be blamed for the cupping if the car bounces up and down more than once after you let off.


Step 4

Take the car to a professional for maintenance, and get the shocks changed. Once they start to wear smoothly again, have the shop put the cupped tires on the back of the vehicle. The tire shop might be able to use a tire-shaving machine to smooth them out if the cupping is too extreme.


Step 5

Take a look at the front tires for cupping. Misalignment of the front end may be the cause if the cupping is on the inside or outside of the tread. Take the car for maintenance, and have the alignment checked and the tires rotated to put the better ones up front.



Can cupped tires cause damage?

Even if the suspension wasn’t damaged by the back tires cupping initially, it may wear out and break more quickly as a result. Such tires lose grip as a result of constant bouncing, which could cause an accident. Due to the damage, braking and cornering may become nearly impossible, which may result in a crash.


Will a cupped tire blow out?

Although cupping won’t cause your tire to blow, it will be noisier than a high school band. However, any tire will eventually “blow out” due to wear, heat, foreign objects, and other factors.


How do you tell if your tires are cupping?

Look at your tires closely. Do you notice any indentations that resemble scallops or dips in the tread, or does the surface appear to have been worn evenly? Tire cupping may be the cause of that form of uneven tire wear.


Wrapping Up

Although this article has revealed how to fix tire cupping, it’s still advisable to imbibe a good maintenance culture. A highly skilled and reliable mechanic should evaluate your tires right away if you suspect that they may be cupping. After the tires are rotated, the tread will level out if the cupping isn’t too extreme. You might need to replace the tire if the damage is more severe.

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