Schwartz Garage Door's Repair Service came by yesterday afternoon. Door was shaking the whole frame when it opened, rattling tools off the wall. Tech got here on time, disconnected the opener and rolled the door by hand, and found the bearings in both top rollers were seized and the opener rail bolts were loose. Replaced the seized rollers with sealed bearings, tightened all the rail and header bracket bolts, and balanced the door so it doesn’t slam down. Opens smooth now, just a quiet hum inste