Rick's Free Auto Repair Advice

Posts Tagged: Tire dry rot

What is Tire Dry Rot?

What causes tire dry rot? The term dry rot relating to tires is really a misnomer because tires don’t crack simply from drying out. Instead, the cracking common called dry rot is really caused by heat and ozone. When a tire runs hot or is stored in hot conditions or exposed to ozone, the rubber, and other materials in the tire degrade and become hard and brittle, causing cracks. It is not like dry wood rot where the root condition is a fungus. Instead, dry rot is caused by lack … Read More


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