: Inspect the PCV diaphragm (the round puck on the cover) while you're at it; they often fail at the same time as the gasket.

: He moved outward, crisscrossing from left to right, top to bottom.

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 moved to the bolt directly opposite the first. Click.

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