Squeaking or squealing
Usually dry hinges, rollers or springs. Salt air and humidity wash lubricant away fast in South Florida. Spray hinges, roller bearings and springs with a garage door lubricant (not WD-40 alone). If it still squeals, worn steel rollers are the likely cause; sealed nylon rollers are much quieter.
Grinding
Grinding from the opener can mean a worn drive gear or a chain that needs adjusting. Grinding along the tracks often means dirty tracks, worn rollers or a bent track section.
Popping or creaking from the springs
Springs can creak when dry. A sharp pop while the door moves can mean a spring is stretching unevenly or is close to breaking. Have it checked soon.
Loud bang when nobody touched the door
That is the classic sound of a torsion spring breaking. Don’t use the door and don’t try to lift it. Unplug the opener and call for spring replacement.
Rattling or vibrating
Loose hinges, brackets and track bolts. Tightening them is part of every tune-up.
Scraping or slapping
The door may be rubbing the frame or weather seal, or a cable may be slack. Slack or frayed cables are dangerous — stop using the door and call us.