Component: Steering & Suspension / Upper Ball Joint--Catastrophic Structural Failure: On [XXX], at highway speeds on [XXX], the left front wheel completely separated from the upper control arm due to an instantaneous upper ball joint failure. The left tire turned sideways, locking the steering system. The vehicle was equipped with factory stock suspension and GM 24-inch rims-Pre-Accident Diagnostic Negligence: The vehicle exhibited a severe front-end "thumping noise" within the warranty window. It was brought to Lucas Chevrolet on [XXX] (31,901 miles) and Burlington Chevrolet on [XXX] (with a "Service 4WD" light active). Both certified facilities failed to perform physical tear-downs or torque checks, releasing a hazardous vehicle. Burlington Chevrolet is currently ignoring all voicemails requesting my service records-Dangerous 20-Hour Roadside Abandonment: Chevrolet Roadside Assistance left the driver stranded on a live highway shoulder for 2.5 hours in rush-hour traffic and darkness. Due to unsafe conditions, the driver was forced to leave the vehicle for an unassisted tow. Because roadside repeatedly sent wrong equipment for a collapsed suspension, the vehicle sat overnight and was not delivered to the dealer until 21 hours later-Evidence Preservation Hazard: Dealership Director Bob called the consumer to explicitly direct them not to hire legal counsel. Following this call, the dealership unilaterally changed writing from a "Customer Satisfaction Guarantee" to a "Goodwill