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Why do tires crack on the sides?
Tire age is a common cause of tire sidewall cracking. Think about how old rubber bands are brittle and more likely to break than brand new ones. The same effect happens to the rubber in tires over time. Lots of fine tire sidewall cracks can be caused by exposure to sunlight, excessive heat, or ozone.
What happens if you drive on dry rotted tires?
Dry rot allows air to escape the tire, making it difficult or even impossible to keep the tire properly inflated. Dry rot can also cause unnatural rubber expansion while driving that actually breaks the tire apart. Tires with dry rot are much more likely to develop leaks, holes, and blow outs.
When to replace the sidewall of a tire?
The outer layer of rubber on the sidewall is simply a sealing layer to keep the elements away from the inner (structural) part of the tire—in other words, those unsightly cracks are purely cosmetic. If your tires start to get really deep cracks after 3-5 years, you might consider replacing them for peace of mind.
What does it mean when your tire sidewall cracks?
Cracks on the tire sidewall. Brittle, dry rubber. Minor flaking or peeling. Cracks appearing on your sidewall are a telltale warning of early-stage dry rot. You may see a few in one area, or they may have fully surrounded your hubcap. Healthy rubber is flexible; that’s what makes it ideal for driving on.
When do tyre cracks necessitate a replacement?
The forces on the tire between treads is not as large as the sidewall. Cracks in the sidewall are distressing, because they can lead to catastrophic failure of the tire. What you’ve got there is dry-rot. Those cracks aren’t bad, but you probably want to start planning for a replacement set in the next half year or so.
When do you need to replace rear tire treads?
Those cracks aren’t bad, but you probably want to start planning for a replacement set in the next half year or so. These Cracks are because of long time use of thse tires. Need to be replaced soon. Rear tire seems good. Cracks between treads is cosmetic and are not a worry unless they are growing or opening.