Posted on 9/15/2025

Metal Fatigue in the Auto Repair Industry: Why Grand Garage Is Not to Blame for Stripped Drain Plugs, Lug Nuts, and Worn Fasteners Introduction: The Unseen Truth in Auto Repair At Grand Garage in Escondido, CA, we pride ourselves on delivering honest, high-quality auto repair. Yet one of the most common frustrations in this industry comes when a bolt, lug nut, or oil drain plug fails during service. Customers often assume: “The shop must have stripped it.” But the truth runs deeper. These failures are rarely the result of negligence. They are caused by metal fatigue—the slow, inevitable weakening of metal under years of stress, vibration, heat, and corrosion. By the time our technicians touch that part, its fate was already sealed. In this blog, we’ll explore what metal fatigue is, why it matters, and why repair shops like Grand Garage should not be blamed for failures caused by years of stress long before service. We’ll also show how our team handles ... read more