This quick glossary decodes the 12 most common garage-door repair terms Audubon homeowners ask about. Knowing these terms helps you spot problems early, compare quotes fairly, and avoid overpaying on services or spring replacements.
Garage doors in Audubon take a beating from summer heat, winter ice, and daily use. When something goes wrong, the jargon can feel like another obstacle. We’ve put together a plain-English glossary of the real terms you’ll hear from pros—so you can understand the issue, ask the right questions, and get a fair deal. If you’re in Audubon, Collingswood, Haddonfield, or nearby, call us at contact for a transparent estimate before you sign.
- Torsion spring
- A tightly wound metal coil mounted above the garage door that counterbalances the door’s weight. When the door opens, the spring unwinds, lifting the door with minimal effort. These springs last 7–12 years in Audubon’s climate but can snap suddenly—often without warning. Replacing them is dangerous; always hire a pro for broken spring replacement.
- Extension spring
- Long, slender springs that stretch along the door’s horizontal tracks. They extend and contract to help lift the door. Cheaper than torsion springs but wear out faster, especially in humid summers or cold winters common in South Jersey. A broken extension spring can leave your door stuck halfway.
- Track
- The metal rails—usually two vertical and one curved horizontal—that guide the door up and down. Tracks can bend or become misaligned if the door is forced or hit. Bent tracks cause jerky movement or off-track issues, a common problem we fix in Audubon homes.
- Roller
- Small wheels attached to the door’s sides that roll inside the tracks. Plastic rollers wear out faster than steel ones; noisy or jumping rollers often mean it’s time for replacement. We recommend upgrading to steel rollers for quieter, longer-lasting operation in Audubon’s humid climate.
- Opener
- The electric motor that automates your garage door. Modern openers have smart features like Wi-Fi control, but the motor itself can fail or become misaligned. If your door reverses unexpectedly or won’t close, the opener may need adjustment or replacement.
- Photo-eye sensor
- Safety beams mounted near the bottom of the door that detect obstructions. If something blocks the beam, the door stops and reverses immediately. Dirty or misaligned sensors are a top cause of “door won’t close” calls in Audubon—clean them monthly.
- Limit switch
- A small electronic switch inside the opener that tells the motor when to stop opening or closing the door. If the switch is set too tight or too loose, the door may stop short or slam shut. We calibrate these precisely during tune-ups to avoid damage.
- Weatherstripping
- The rubber or vinyl seal along the door’s bottom and sides that blocks drafts, rain, and pests. Cracked or flattened weatherstripping lets in water and cold air, raising heating bills in Audubon winters. Replace it every 2–3 years for better insulation and lower energy costs.
- R-value (insulation)
- A number that measures how well garage door panels resist heat flow. Higher R-values (like R-12 or R-16) keep your garage cooler in summer and warmer in winter. If your door feels like an oven in July or a freezer in January, upgrading insulation can save you money on HVAC costs.
- Cable drum
- The round metal spool that winds and unwinds the lift cable as the door opens and closes. If a cable drum is cracked or the cable slips, the door can become unbalanced or fall suddenly. These drums should be inspected during every spring replacement service.
- Bottom seal
- The thick rubber strip attached to the door’s bottom edge that seals the gap between the door and the driveway. Over time, it cracks or flattens, letting water, snow, and critters inside. A worn bottom seal is an easy DIY fix—just peel and stick a new one.
- Travel module
- The electronic brain inside the opener that controls the door’s movement. If the door opens or closes erratically, the travel module may need reprogramming or replacement. We troubleshoot these modules daily in Audubon homes to restore smooth operation.
- Trolley
- The part of the opener that connects the motor to the door via a chain or belt. If the trolley is loose or the chain is slack, the door may jerk or stop mid-cycle. A quick adjustment or lubrication often fixes the issue without a full opener replacement.
- Manual release
- A red handle or cord inside the garage that disconnects the door from the opener in a power outage or emergency. Pulling it lets you open or close the door by hand. Always test it twice a year—especially before storm season in Audubon—to ensure it works when you need it.
Frequently Asked Questions
My garage door in Audubon makes a loud grinding noise every time it opens—what’s causing it and how much will it cost to fix?
A grinding noise usually means the rollers or tracks are worn, or the opener’s chain/belt is dry. In Audubon’s humid climate, rollers rust or crack faster. A pro can replace rollers and lubricate the tracks for about $120–$200—far cheaper than waiting for a snapped spring or bent track.
After a recent storm, my garage door in Collingswood won’t stay closed and keeps reversing halfway—what should I check first?
Start with the photo-eye sensors: clean the lenses and realign them so the beams line up. Next, check the travel limits on the opener—if they’re too tight, the door thinks there’s an obstruction. If the problem persists, the track may be bent from debris, a common issue after storms in South Jersey.
How do I know if my garage door’s insulation R-value is hurting my heating bill in Haddonfield winters?
Touch the door on a cold morning. If it feels icy to the touch, your R-value is too low. Upgrading to an insulated door (R-12 or higher) can cut heating costs by 10–15%. We offer free R-value checks during estimates—no pressure, just honest advice.
Have a garage door repair question? Evergreen Garage Door's Repairs Inc is licensed, insured, and gives Audubon homeowners a free written estimate.