Garage door repair guides
Why a garage door will not open, close, stay up or stay quiet, and what to check before you call.
Repair guides: 34 guides
Why Your Garage Door Will Not Close
A garage door that will not close is usually a sensor, a balance problem or the opener. Here is how to tell which, and when to call a technician.
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How Long Do Garage Door Springs Last?
Garage door springs wear out by cycles, not years. Learn how long they last, the warning signs and why springs are replaced as a set. Call us for service.
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Garage Door Won't Open: What to Check First
Door will not open? Check power, the wall control lock, the release handle and a manual lock first. If the door is heavy or crooked, stop and call a technician.
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Garage Door Sensor Light Blinking: Causes and Fixes
A blinking garage door sensor light usually means misaligned or blocked photo eyes. Clean, realign and test them in six steps, and learn when to call.
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Broken Garage Door Spring: 6 Signs and What to Do Now
A loud bang, a gap in the coil or a door that will not lift can mean a broken spring. See six signs, a look-only check and what to do before you call.
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Can You Open a Garage Door With a Broken Spring?
Opening a garage door with a broken spring risks the opener, your back and a falling door. See what can go wrong, what to avoid and what to do instead.
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Garage Door Cable Snapped or Off the Drum: What Happened
A snapped garage door cable or one off the drum leaves the door crooked and unsafe. Learn what causes it, why both cables are replaced and what to do now.
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Garage Door Off Track: Is It Safe to Use?
No, a garage door that is off track is not safe to use. Learn the warning signs, what to do right now, what never to try and when to call a technician.
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Why Is My Garage Door So Loud? Match the Sound to the Part
Squeaks, grinding, rattles and loud bangs each point to a different part. Match the sound to the cause, try safe fixes and know when to call a technician.
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Garage Door Crooked or Sagging: Causes and Fixes
A crooked or sagging garage door usually points to a cable, drum, track, roller or spring problem. See the causes, what to look at safely and who fixes it.
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Can a Bent Garage Door Be Fixed?
A bent or dented garage door can often be fixed by replacing one panel, but not always. See when a section swap works and when the whole door is smarter.
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Garage Door Stops Halfway Up or Down: What to Check
If your garage door stops partway, the cause is the door, the sensors or the opener. Use this table and five checks to find out which, and when to call.
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Garage Door Closes Too Fast: Why It Slams and What to Do
A garage door that slams or drops fast has lost its counterbalance. Learn the likely causes, what to check from a safe distance and when to call.
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Garage Door Shaking or Jerking: Rollers, Track and Opener
A garage door that shakes or jerks usually has a worn roller, a loose bolt, a misaligned track or a drive problem. Here is how to tell which, and when to call.
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Garage Door Rollers: Nylon vs Steel and When to Replace
Nylon rollers run quieter and need less upkeep. Steel rollers are tougher but noisier. See how to choose, when worn rollers need replacing and who should do it.
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Cracked Garage Door Hinges and Brackets: What to Look For
Cracked or loose garage door hinges let panels shift and strain the door. See what to look for, how often to check and which jobs are for a technician.
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Garage Door Bottom Seal: When and How to Replace It
A worn bottom seal lets in drafts, water, pests and debris. See the signs it is time, the steps to replace a T-style seal safely and when to call a technician.
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Garage Door Weatherstripping on the Sides and Top
Side and top weatherstripping is PVC stop molding nailed to the door frame. Learn how to replace it step by step, what to avoid and when to call a technician.
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Daylight Under the Garage Door: Gaps, Pests and Fixes
Light under a garage door means a worn seal, an uneven floor or a door that is not closing fully. See why it matters for pests and how each cause is fixed.
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How to Open a Garage Door Manually When the Power Is Out
Pull the red release handle, then lift the door by hand. Here are the steps, the spring warning, how to reconnect the opener and when to stop and call.
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Garage Door Stuck Open: Why It Will Not Come Down
A garage door that will not close is usually a sensor, a lock setting or a limit problem. Use this symptom table and four quick checks, and know when to call.
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Garage Door Maintenance Checklist: Monthly, Yearly and Pro-Only
A simple garage door maintenance checklist: monthly tests, twice-a-year lubrication, a yearly review, and the jobs that belong to a technician, not you.
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Garage Door Lubricant: What to Lube and What to Leave Dry
Use silicone lubricant on hinge pins and steel roller bearings, and keep the tracks clean and dry. See the steps, how often to lube and what to avoid.
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Garage Door Track Repair: Bent or Misaligned Tracks
A bent or misaligned garage door track makes the door scrape, jam or hang crooked. See the signs, what is safe to check and when you need a repair or new track.
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Garage Door Will Not Open After a Power Outage
Garage door won't open after an outage? Check the outlet, GFCI and breaker, the red release cord, the wall control Lock light and the sensors in this order.
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Wood Garage Door Repair: Rot and Warping
Wood garage doors fail at the bottom first. See how to spot rot and warping, what can be repaired, how often to refinish and when a new door is the better buy.
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Garage Door Window Replacement: Cracked Glass Inserts
Replace a cracked garage door window by measuring the frame, using safety glass and fitting the new pane without overtightening. See the steps and when to call.
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Garage Door Hit by a Car: What to Do First
A car hit your garage door? Keep people clear, do not run the door, photograph the damage and call your insurer. A technician checks springs, tracks and opener.
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Sunlight and Garage Door Sensors: Why the Door Reverses
Door reverses or will not close when the sun hits it? Sunlight can blind the receiving sensor. Here is how to confirm it and the fixes that work, in order.
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Garage Door Lock, Latch and Handle Problems
Door will not move with the opener running? A slide lock, lock bar or wall control Lock button may be on. Match the symptom to the cause, then check in order.
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Garage Door Scraping the Jamb or Trim
Garage door rubbing the side of the opening? Learn the common causes, from loose tracks to swollen trim, which checks are safe and when to call a technician.
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Garage Door Troubleshooting by Symptom
Start with what the door does. A quick table matches each symptom to a safe check and shows when to stop, plus the myths that make small problems worse.
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Garage Door Bangs or Thuds When Closing
A garage door that bangs or thuds as it closes has a settings, spring or hardware problem. See which sound points to which cause and when to call a technician.
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Can You Paint a Garage Door?
Yes, most garage doors can be painted, but the maker's rules, the primer and the color matter. Steps for steel and wood doors and what voids a warranty.
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