16 JULY 2026 SERVICE TRUCK PULSE SERVICE TRUCK PULSE JULY 2026 17 TIRES Why fleets lose tires—And how technicians can stop it Tire failures remain one of the most preventable maintenance costs in trucking Technicians who understand the root causes can extend casing life and reduce roadside calls. ANDREW JOSEPH, EDITOR It’s no fun for the truck driver whose truck suddenly loses traction and mobility, and it sure isn’t fun for everyone else on the road as they attempt—and often fail—to maneuver around the shredded, exploded bits of tire—usually coming upon it suddenly at a high speed on a highway. Tire loss continues to be one of the most expensive and disruptive maintenance issues in the trucking industry, and most failures trace back to conditions that technicians should be able to identify long before a blowout happens. Whether a fleet runs long haul, regional, or vocational routes, the same patterns show up again and again: heat, underinflation, mechanical problems, and operational stress. Underinflation remains the leading cause of premature tire removal. Even a modest decline in pressure increases sidewall flex, builds heat, and weakens the casing. Many roadside failures begin as slow leaks that go unnoticed until the tire reaches a critical temperature. For technicians, consistent pressure checks and early leak detection are still the most effective tools for preventing loss. Heat is the second major factor. Heavy loads, high ambient temperatures, and sustained highway speeds all accelerate thermal breakdown. When underinflation PHOTO: a3701027 via Adobe Stock A catastrophic casing failure like this one often traces back to preventable factors—pressure loss, heat buildup, or mechanical wear that went unnoticed. TIRES and heat combine, the casing deteriorates rapidly. Fleets that operate in hot climates or run heavy vocational cycles will often see this pattern occur more frequently. Mechanical issues also play a significant role. Misalignment, worn suspension components, and weak shocks create irregular wear patterns that shorten tread life and stress the casing. Feathering, cupping, and shoulder wear are early indicators that something upstream needs attention. Technicians who catch these patterns early can prevent a tire from being removed thousands of miles ahead of schedule. Operational factors contribute as well. Overloading or uneven weight distribution puts excess strain on specific wheel positions. Aggressive driving, hard braking, and tight cornering increase wear rates. Road hazards—curbs, debris, and rough yards—cause sidewall damage that often forces immediate removal. Improper mounting and torque procedures can also lead to early failures. Incorrect bead seating, mismatched duals, and improper torque on wheel fasteners create conditions that damage the casing or lead to wheel off events. Inconsistent maintenance practices, skipped inspections, and mismatched tires in dual positions compound the problem. Choosing the wrong tire for the application is another common source of loss. Long haul tires used in regional or vocational environments wear out quickly, while traction tires running on hot pavement can experience block tearing. Matching tread design and compound to the duty cycle is essential for maximizing life. Retread quality and casing condition matter too. Poor bonding, old casings, or improper repairs can lead to separations or early removal. Fleets that track casing history and enforce repair standards typically see better retread performance. For technicians, the takeaway is straightforward: most tire loss is preventable. Consistent inflation checks, alignment monitoring, proper mounting practices, and early identification of wear patterns can dramatically extend casing life and reduce roadside failures. In an industry where every mile counts, disciplined tire maintenance remains one of the highest value services a shop can provide. TOP 10 RED FLAGS THAT PREDICT TIRE FAILURE 1. Chronic underinflation: Any tire running consistently below recommended PSI is already in the danger zone. 2. Irregular shoulder wear: Often the first visible sign of misalignment or worn suspension components. 3. Cupping or scalloping: Observing this, indicates shock or suspension issues that will shorten casing life. 4. Mismatched duals: Different diameters or tread depths force one tire to drag, generating heat. 5. Heat checking: Fine cracks in the sidewall clearly show that the casing has been thermally stressed. 6. Bead leaks: Improper mounting or corrosion can cause slow leaks that often lead to underinflation issues. 7. Sidewall abrasions or bruising: Usually caused by curbing or yard hazards; often requires immediate removal. 8. Rapid center wear: A sign of overinflation or the wrong tire for the duty cycle. 9. Feathered tread: Seeing this is a classic indicator of alignment issues that will only continue to worsen. 10. Repeated air-loss events: A tire that won’t hold pressure reliably is a casing at risk. TECHNICIAN CHECKLIST: EXTENDING TIRE AND CASING LIFE • Verify inflation at every service interval: Use calibrated gauges and check cold PSI. Most failures start with unnoticed pressure loss. • Inspect for mechanical contributors: Look for worn bushings, loose components, weak shocks, and alignment issues that create irregular wear. • Check dual spacing and match diameters: Even small differences in circumference cause heat buildup and premature removal. • Examine beads and wheels during mounting: Proper lubrication, bead seating, and torque prevent leaks and dangerous wheel-off events. • Track casing history: Document repairs, retreads, and mileage to identify patterns and remove high risk casings early. • Match tires to the application: Long haul, regional, and vocational cycles require different tread designs and compounds.
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