Case Studies

Uncovering Defects: The Case of the Compromised Tire Line

A meticulous inspection of the tire in question brought to light manufacturing defects that were not initially apparent. This examination was non-destructive, ensuring that the tire’s companions remained intact for comparison. It was only after obtaining and analyzing failure rate data from the manufacturer that the extent of the issue became clear: the tire line exhibited a failure rate of 9700 parts per million (ppm), far exceeding acceptable standards. This finding was pivotal in determining the prevalence of defects within this particular line of tires.

The Peril of Over-Speed: Wrecker’s Tire Failure Analysis

During an emergency response, a wrecker’s left front (LF) tire suffered a catastrophic tread and belt separation en route to an accident scene. Subsequent inspection revealed tell-tale signs of overheating in the failed tire. A closer look at the right front (RF) companion tire exposed a circumferential crack, indicating it too was on the brink of failure. Data retrieved from the vehicle’s Electronic Control Module (ECM), commonly known as the black box, indicated that the wrecker’s speed limiter was set to 80 mph. In discussions, both the owner and driver confirmed the routine practice of driving at this speed during emergencies. However, this exceeded the rated maximum speed of 68 mph for the tires, pinpointing the critical oversight that led to the tire’s failure.

The Hidden Risks of Aged Tires: A Cautionary Case Study

When a vehicle’s original spare tire, aged 15 years, was put to use, it failed catastrophically within just 25 miles of installation. This incident underscores a critical advisory from vehicle and tire manufacturers alike: tires should generally be retired from service between 5 to 10 years from their manufacturing date. This recommendation holds true regardless of the tread depth, as the risk of failure increases significantly with age. In fact, it is a consensus among tire manufacturers to deem any tire over 10 years old as unfit for service, prioritizing safety over the remaining tread.

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Our Services

Comprehensive Tire Analysis Services

With our expert analysis, you’ll receive detailed insights and reliable testimony to support both legal professionals and industry clients.


Tire Failure Analysis

  • Comprehensive examination to determine the cause of tire failures.
  • Expert identification of manufacturing defects, wear patterns, and damage.


Vehicle Inspection

  • Detailed vehicle evaluations to assess the impact of tire failures.
  • Confirming the compatibility and fitment of tires to the vehicle.


Legal Expert Witness & Testimony

  • Thorough vehicle inspections to determine accident sequence and a tire’s involvement in the incident.
  • Familiar with 100’s of publicly available reference materials to review relativity to the subject case.


Accident Reconstruction

  • Analysis of tire failure roles in vehicular accidents.
  • Reconstruction of events to understand tire performance during accidents.


Tire Maintenance & Safety Consulting

  • Guidance on proper tire maintenance to prevent future failures.
  • Consulting on tire safety and performance for consumer and commercial clients.


Service Station Procedure Review

  • Evaluation of tire installation, rotation, and repair procedures.
  • Assessing the service history for adherence to safety standards and best practices.
Experience You Can Trust

Our Areas of Expertise

  • Automobile & Tractor-Trailer Collisions
  • Automotive Component Failure Analysis
  • Bicycle, Motorcycle & Pedestrian Accidents
  • Biomechanical Analysis & Injury Consistency
  • Black Box & ECM Downloads and Analysis
  • Boat, RV & ATV Accidents
  • Building Codes, ANSI & ASTM
  • Digital Video Analysis
  • Fire Origin and Cause Investigations
  • Guardrails, Roadside Safety & Construction Zones
  • Human Factors
  • Industrial Accidents
  • Lightning Strike & Power Surge Investigations
  • Material Fracture Analysis
  • Occupant Kinematics
  • Patent Litigation Technical Analysis
  • Plumbing Failure Analysis
  • Product & Machinery Failure Analysis
  • Retail Facility Safety
  • Slip, Trip & Falls
  • Theme Parks & Recreation Facility Safety
  • Tire Failure Analysis
  • Workplace Safety, OSHA & ADA Regulations
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