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Introduction Let’s be real: Garage doors have opinions. They groan when cold, screech when ignored, and pick the worst times to rebel—like when you’re hauling groceries or herding kids. But here’s the kicker: Most of us couldn’t name a single part beyond “the loud spring thingy.” That changes today. This garage door parts diagram is your decoder ring. You’ll meet the torsion spring (the Hulk of your door), the rollers (ninja-quiet…
