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Get your free estimateAmarr Cable & Drum Replacement: The San Antonio Owner’s Guide
Amarr cable and drum replacement in San Antonio typically runs $130 – $250 installed, and we carry compatible parts on our trucks for same-day service in most neighborhoods. You’ll usually notice the problem first as a door that hangs crooked, rattles on the way up, or stops halfway with one side visibly sagging.
The cable and drum work as a pair. The cable wraps around the drum at the top of the door, spooling and unspooling as the door moves. When one side of that system fails, the door’s weight shifts unevenly, and everything else starts wearing faster. We see it all the time in older San Antonio homes, especially in Alamo Heights and Terrell Hills, where doors from the early 2000s are hitting the end of their original cable life.
Which Amarr Models This Applies To
Amarr builds doors across several series lines, and the cable and drum setup varies by model. The most common Amarr lines we service in San Antonio are the Lincoln, Heritage, and Classica series, plus the commercial-grade Stratford on some newer builds in Stone Oak and Cibolo. A Lincoln 1000 uses a different drum profile than a Classica 3000, even when the door width and height are identical.
Here’s the compatibility gotcha most owners hit: Amarr drums are machined to match specific cable lengths and door heights. A drum from a 7-foot door will not play nice with an 8-foot door’s cable geometry. If you’re shopping parts yourself, you need the door’s model number from the label on the door section near the bottom panel, plus the door height and cable length. Mismatched drums are one of the most common reasons a “new” cable fails within a month.
For Amarr specifically, OEM parts are solid but pricey. Quality aftermarket drums and aircraft-grade cables from brands we trust hold up just as well, and they typically cut the parts cost by 30 to 40 percent. We’ll always tell you which route makes sense for your door before ordering anything.
Styles & brands we work with






Signs Your Amarr Cable & Drum Replacement Is Failing
Most San Antonio homeowners call us after hearing or seeing one of these five things. So if you’re standing in your garage right now and wondering, here’s what we look for:
- The door looks crooked when it’s partway up. One cable has stretched or slipped, so the spring’s tension is only pulling on one side. The longer it runs like that, the more strain you put on the track and hinges.
- You can see loose cable hanging off the drum. That’s a cable that has jumped the groove. It usually happens when the drum’s groove has worn smooth or the cable developed a kink. Either way, the cable can’t re-seat itself.
- A snapping sound, followed by the door slamming or jerking. That’s the cable letting go under tension. The door is now unbalanced and unsafe to operate until it’s fixed.
- Frayed strands near the bottom bracket. Texas heat accelerates cable jacket wear, and the bottom bracket is the highest-stress point. Fraying there means the cable is near total failure.
- The door binds or jerks partway through the cycle. A drum that’s cracked or worn unevenly will catch the cable at the same spot every time. You’ll feel the door stutter, even if you can’t see the problem.
See the difference
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AfterReplacement Cost & What’s Included
Amarr cable and drum replacement in San Antonio runs $130 – $250 installed, depending on whether we’re doing one side or both, and whether the drum needs to be swapped or just the cable. If your door is older and both cables show wear, we’ll recommend doing the pair. It’s almost always cheaper than coming back in three months for the other side.
Every job includes the parts, labor, a full tension check on the spring system, and a written price before we start. That price does not change once we’re on site. We quote it, you approve it, we do the work. The parts and the labor are covered by our 365-Day Done Right Promise, which means if something isn’t right within a year, we come back and make it right at no charge.
Jaylen Ross has been running crews across San Antonio for well over a decade, and his rule on this job is simple: replace both sides when they’re both tired, and show you the worn parts before they go in the truck.
DIY or Call Us?
We’ll be straight with you: this is not a safe DIY job. The cables on a torsion spring system are under constant, massive tension. If you release that tension wrong, the spring can unload violently. We’ve seen cables take chunks out of drywall. We’ve seen worse. If you have a broken or jumped cable, do not try to re-seat it yourself.
What you can safely do is inspect. Look at the cable on both sides. Look at the drum grooves. Take a photo of the model label on the door section. Then call us at (361) 314-2738 and tell us what you’re seeing. Tell me what’s broken. I’ll tell you what it costs. Then we fix it. We’ll send a tech with the right Amarr-compatible parts, and you’ll have a written price before any wrench turns.
FAQs
Amarr cables typically last 8 to 12 years in San Antonio’s climate, but Texas heat and humidity can shorten that if the garage isn’t ventilated. Drums last longer, usually 15 to 20 years, but we replace the drum whenever its grooves show visible wear because a worn drum kills a new cable fast. Call (361) 314-2738 and we’ll tell you where your door stands.
No. Cables and drums are not repairable parts. Once a cable frays or a drum groove wears, the only fix is replacement. We carry Amarr-compatible cables and drums on the truck, so the swap usually happens the same day you call.
A standard two-cable and drum replacement takes 60 to 90 minutes on most Amarr residential doors. If the spring also needs work, add another 30 to 45 minutes. We’ll give you a time estimate before we start, and you’ll see your tech’s live arrival time before they pull up.
Yes. Our trucks carry Amarr-compatible cables, drums, and bottom brackets in the most common San Antonio door sizes. We also service and stock parts for LiftMaster, Chamberlain, and Genie openers, so we can address opener issues on the same visit if needed. Call (361) 314-2738 and we’ll confirm we have your parts before we head your way.
Written by Jaylen Ross, Owner, Marlow Garage Door Repair San Antonio at Marlow Garage Door Repair San Antonio, serving San Antonio and nearby areas.