Tire Tread/belt Problems of Mazda CX-5

The four 225/55 r19 tires’, purchased 05/02/25 and available for inspection upon request, asymmetrical tread design has 5 treads & 4 troughs across its width. The center tread and the adjacent one to its outside both have varied design water dispersal slots. When the tires are properly mounted with the word “outside” viewable on the outside of all 4 wheels and the vehicle is rolling forward, the 2 above referenced treads’ slots of the right side tires will force water away from the treads and into the adjacent troughs, but these same tread slots on the left side tires, now spun 180 degrees when mounted on the left side, will force water toward the center of the two above referenced treads, actually building up water upon the referenced treads’ surfaces, not dispersing it like on the right side tires. On wet roads, this will dangerously set up the likelihood of hydroplaning on the referenced left side treads, as well as a surface grabbing imbalance between the right and left side tires which sets things up for a spin out. When viewing the mounted tires, the above safety concerns are easy to envision. They appear to pose a risk for an accident, but pirelli states that their tires are “engineered with advanced tread patterns that balance performance, safety, and comfort” and the tires are properly mounted as described. I have no data indicating that actual issues have been confirmed with my concerns, but I feel they are valid and that this asymmetrical tire should have also been designed and marketed as a directional tire, with left and right mirrored tread designs, which it has not been. I just noticed this tread discrepancy concern.

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The contact owns a 2021 Mazda Cx-5 equipped with firestone tires, tire line: destination le3, tire size: 225/55/r19, dot numbers: 17xefle320725 and 17xefle321524. While the vehicle was parked, the contact was informed by a CO-worker that there was a bubble on the rear passenger's side tire. The contact inspected the tire and noticed that there was a bubble that was two inches deep and 3 inches long on the side wall of the tire with dot number: 17xefle321524. The vehicle was taken to tire plus, where the tire was replaced. Additionally, the contact stated that while driving at 70 mph, there was an abnormal popping sound heard, and the tpms warning light illuminated. The contact was able to pull over to the side of the road. The vehicle was towed to the residence. The contact noticed that there was a 2-inch long crack in the tread of the rear driver's side tire, the tire with dot number: 17xefle320725. The tire was replaced with the spare tire. The vehicle was then taken to tire plus, where the contact was awaiting the tire replacement. The tires were replacement tires. The manufacturer was not notified of the failures. The tire failure mileage was approximately 15,000. The vehicle failure mileage was approximately 64,000. The VIN was not available.

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