Broward County Certificate of Competency 20-WD-21968-X
Why is my garage door shaking and jerking as it travels up?
A straight answer for Broward County homeowners, then what you can check yourself and when to call. Free estimate: (954) 906-1715.
A garage door that shakes or jerks on the way up is usually dealing with worn or dry rollers, dirty or bent tracks, loose track hardware, or a door that is out of balance because of spring wear. The opener is sometimes the cause, but it is more often the part that reveals a problem elsewhere in the system.
The nuance is where the jerk happens. A shudder at one spot in the travel points to the track or a roller. A jerk right at the start points to balance or the opener's connection to the door. Jerking that comes with a loud bang, a visibly sagging door or a crooked lift points to a spring or cable problem, which is not a DIY repair.
Why it happens
Garage doors ride on rollers inside steel tracks, and torsion or extension springs carry most of the door's weight through cables. When a roller is worn, flat-spotted or dry, or a track has grit, a dent or a slight misalignment, the door catches and releases as it climbs, which you see as shaking. In Broward's humidity and, near the coast, salt air, corrosion on rollers, hinges and track brackets makes this happen sooner.
Balance is the other big cause. As springs fatigue, the door gets heavier for the opener to lift, and the opener strains and jerks the door instead of lifting it smoothly. Cables that are fraying or uneven can also lift one side ahead of the other, so the door twists and shakes. Springs and cables are under high tension and are a job for a trained technician.
Doors that carry a High-Velocity Hurricane Zone approval, meaning an impact rating under a Miami-Dade NOA or an equivalent Florida product approval valid for the HVHZ, are heavier and often reinforced. Their tracks and jamb anchorage are installed as the approval specifies. That makes correct balance and solid track attachment matter even more. Loose or mismatched parts are worth having checked, because the approved assembly only performs as designed when its components are right.
What you can check yourself
Watch and listen
Note where in the travel the shake starts, and whether one side moves differently from the other. Stay clear of the door while it moves, and stop using it if it looks crooked or sounds like it is straining.
Look at rollers and hinges
With the door closed, look for rollers that are cracked, wobbly, rusted or worn flat, and for hinges that are loose or corroded. Just note what you see; replacing rollers near the bottom bracket involves cable tension and is best left to a pro.
Clean the tracks
Wipe the inside of each track with a rag to remove dirt and built-up residue. Look for dents or tracks that have shifted away from the door.
Lubricate the moving parts
Apply a garage-door-rated lubricant to the hinges and roller stems, following the product directions. Keep heavy grease out of the tracks, since it collects dust.
Tighten visible hardware
Check the bolts on the track mounting brackets and the hinges on the door panels. Do not touch the spring assembly or the cable brackets at the bottom corners.
When to call a pro
Call us if the shaking continues after cleaning and lubrication, if the door looks uneven or heavy, if you see frayed cable or a gap in a spring, or if a track is bent or pulling from the wall. Do not adjust springs or cables yourself. Call us at (954) 906-1715 or use the quote form on this page for a free estimate.
Cat 5 Home Shield holds Broward County Certificate of Competency 20-WD-21968-X, which covers windows, doors, shutters and garage doors. Spring, roller and hardware repairs may not need a permit, but replacing a door generally does, because the door and its track and jamb anchorage are part of the building envelope. Verify with your city's building department. If a worn door needs replacing, the new one needs a product approval valid for the HVHZ. For permitted work, we pull the permit, schedule inspections and close the permit out.
Impact Garage Doors work is done under Broward County Certificate of Competency 20-WD-21968-X (windows, doors, shutters & garage doors).
What a pro will do
- Test balance and travelWe check how the door lifts, where it binds, and whether the springs and cables are doing their share of the work.
- Repair springs, cables and rollersWorn springs, cables and rollers are replaced with matching parts, and the tension is set correctly.
- Realign or replace tracksBent, corroded or loose tracks are straightened, re-anchored or replaced so the door runs true.
- Check or replace the openerIf the opener is the source, we repair it or replace it and set its force and travel limits.
- Advise on replacementIf the door is worn out, we explain what an approved impact or wind-rated replacement involves, including permit and anchoring requirements.
Related questions
- Is it safe to keep using a garage door that jerks?
- It is better not to. A door that jerks is under uneven strain, and that can wear out a spring or cable or pull the door off its track. Stop using it and have it checked.
- Could the opener be the problem rather than the door?
- Sometimes. A worn opener carriage, chain or belt can cause jerking by itself. But if the door is out of balance, the opener is just working too hard, so the door needs checking first.
- Does a repair on an HVHZ-approved door need a permit?
- Spring, roller and hardware repairs may not need one, while replacing the door generally does. Rules vary by city, so verify with your city's building department.
- Does a garage door matter for wind mitigation?
- Yes. Opening protection is a category on Florida's wind-mitigation form OIR-B1-1802, and it is evaluated across all openings, including the garage door. Florida law (s. 627.0629) requires insurers to offer discounts for wind-loss-mitigation features. Our free Wind Mitigation Credit Checker on this site can help you see where your home stands.
Get a free garage doors estimate
Tell us what's going on and where in Broward County the home is. We'll get back to you to set up a visit.
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