FAQ: What Causes Tires To Cup?

How do you fix tire cupping?

Since cupping usually occurs on the outside only, place the side that is cupped on the opposite side by simply rotating the tire so that the cupped side is on the inside. Replace worn or faulty suspension parts such as CVC joints, struts, ball joints, wheel bearings.

What does it mean when a tire is cupping?

Cupping, also known as tire scalloping, refers to when a car or truck’s tire tread moves from high to low in random spots. And, typically, not like it does when the tire alignment is off or when tire rotations have been skipped.

Is it safe to drive on cupped tires?

Driving with a damaged tire is not safe. You will not have as much control over your car as you should, and your tire is more liable to blow out. Furthermore, a cupped tire is often the result of broken struts or shocks, which means that continuing to drive your car could cause severe damage to the suspension system.

What causes tires to become chopped?

Chopped or cupped tires can result from worn ball joints in the suspension system. The excess movement causes the tire to momentarily lose contact with the road, resulting in choppy or scalloped wear patterns. Wheel bearings with excessive play will allow abnormal tire tracking and angular lean.

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What does a cupped tire look like?

The most noticeable signs of cupped tires are a scalloped treadwear pattern and noise. The tread looks like it was scooped in 3- to 4-inch bits all across the tire, in the middle, or on the edge. This is a result of the wheel bouncing, which means the tire doesn’t touch the surface evenly.

Will cupped tires smooth out?

Provided that you’ve replaced the worn shocks, bushings or relevant suspension component, driving on a cupped tire will eventually smooth it out to some extent. Considering the likelihood and consequences of tire failure after cupping, you’re best off replacing the cupped tire sooner rather than later.

Is cupping harmful?

Cupping can cause side effects such as persistent skin discoloration, scars, burns, and infections, and may worsen eczema or psoriasis. Rare cases of severe side effects have been reported, such as bleeding inside the skull (after cupping on the scalp) and anemia from blood loss (after repeated wet cupping).

Is tire cupping covered under warranty?

Cupping is caused by bad alignment or balance. It’s not covered under warranty. They should give you a no charge alignment and balance, since this indicates it was probably bad from day one. They should rotate the tires too, putting the bad one on the rear.

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