The garage was cold, smelling of old coolant and burnt oil. On the workbench sat a 2011 Chevy Cruze , its hood propped open like a metal jaw. Young Sam stood over the 1.4L Turbo engine, a plastic package in his grease-stained hands. Inside was a fresh valve cover gasket—the cure for the smoky "burning oil" smell that had been haunting his commute for weeks.
: He placed the first bolt in the very center and clicked his torque wrench to 71 pound-inches—barely more than a firm hand-tighten. Click.
: 3, 4, 5, 6... he followed the numbers on the screen like a dance. Each click of the wrench was a beat of progress.
: Start at the two center bolts and work outward in a "criss-cross" or "spiral" fashion to ensure even pressure on the gasket.
: He moved to the bolt directly opposite the first. Click.
: He moved outward, crisscrossing from left to right, top to bottom.
Sheffield Drainage