Full 25-point door and opener safety check with every visit - springs, cables, rollers, tracks, and your LiftMaster or Chamberlain opener included
You get a price before we start. It does not change when the truck arrives.
Clopay Cable & Drum Replacement: The Los Angeles Owner’s Guide
Clopay cable and drum replacement in Los Angeles typically runs $155 to $295 installed, parts and labor included, and we complete most swaps in a single visit since we stock Clopay-compatible cables and drums on the truck. You’ll usually discover the failure the moment you hear a snap, see a frayed cable dangling from the drum, or notice the door hanging uneven in the tracks, often with one side sitting an inch or two lower than the other. This is a high-tension component; we’ll say that plainly before anything else.
Here’s the part we see fail most often on Clopay doors across Los Angeles: the cable, not the drum. The drum is a machined spool that guides the cable as it winds and unwinds, and it rarely wears out on its own. The cable, by contrast, is under constant load. On Clopay doors in particular, we replace cables that have frayed at the crimped end, snapped mid-span, or jumped the drum entirely after a roller or hinge failure. When a cable goes, the drum often takes damage in the same event, which is why we quote both as a pair when the drum shows scoring or a bent edge.
Marcus Deller has spent the better part of two decades looking at failed garage door hardware in this city, and the Clopay cable-and-drum job follows a pattern he knows cold. Name the part, quote the range, then do the work. We don’t tell you to replace a drum that’s still within spec, and we photograph whatever we find before we quote it, per Clause 4 of The Haven Standard.
Which Clopay Models This Applies To
We replace cables and drums across the Clopay lineup we see in Los Angeles garages: the Classic, Gallery, Coachman, Reserve, Canyon Ridge, and Value series, plus older Intellicore and Ideal Door lines that Clopay manufactured before consolidating its branding. The compatibility question matters because Clopay uses different cable lengths and drum profiles depending on door height, track radius, and whether the door runs standard torsion or EZ-Set torsion hardware.
The drum spec is the gotcha. Standard 7-foot Clopay doors use a 4-inch drum; 8-foot doors step up to a 5-inch drum; and 12-inch-radius low-headroom track needs a drum matched to that radius or the cable will climb unevenly and bind. On most Clopay doors, the cable is 3/32-inch aircraft-grade galvanized steel, 7×7 or 7×19 strand, sized to the drum and door height. A cable that measures even slightly short on an 8-foot door will leave the door sitting crooked no matter how well you balance the springs.
When a customer needs a Clopay cable and drum replacement, we match OEM Clopay parts when the door is still under warranty or when the original hardware is in good enough shape that mixing brands would introduce tolerance issues. For doors out of warranty, we offer quality aftermarket equivalents that meet or exceed Clopay’s factory specs. We’ll tell you which we recommend and why, with the exact part number on the written quote, before any work starts. Servo Garage Doors Los Angeles is an independent service provider, not affiliated with Clopay, and we also stock parts for LiftMaster, Chamberlain, and Genie when the opener side needs attention.
How to Identify Your Clopay Model
Look for the model tag on the edge of the top section, usually on the right side, or on the door’s end stile. If the tag is gone, the drum itself tells us most of what we need to know: diameter, number of cable grooves, and the shape of the cable slot. We also measure the door height and track radius on site, because those two numbers determine cable length more reliably than the model name does.
Signs Your Clopay Cable & Drum Replacement Is Failing

- Visible fraying on the cable. When strands start separating near the drum or at the bottom bracket, the cable has already begun to fail under load. This is the most common precursor to a full snap we see on Clopay doors in Los Angeles.
- Door hangs uneven or jerks when moving. If one side lifts faster than the other, the cable on the slow side has likely slipped a groove or is binding in the drum. You’ll often hear a grinding sound at the same time.
- Cable slack or a loop off the drum. When you see cable not wound tight against the drum, the spring has usually lost tension or the drum set screw has backed out. The cable can then jump the drum entirely and wedge in the gap.
- Snapping sound followed by a visibly broken cable. This is the failure many Los Angeles homeowners hear before they see anything. One cable breaks, the other side takes the full load, and the door often binds or drops unevenly within the next few cycles.
- Scoring or groove wear on the drum. If the drum surface shows deep lines or the cable slot edges look chewed, the drum is no longer guiding the cable cleanly and should be replaced alongside the cable rather than resurfaced.
Each of these symptoms points to a specific failure mode, and the fix is usually specific too. We don’t replace parts by feel, we photograph the failed component and match the replacement to what we measured.
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AfterReplacement Cost & What’s Included
Clopay cable and drum replacement in Los Angeles runs $155 to $295 installed. The lower end covers a single cable on a standard 7-foot door with an undamaged drum; the upper end covers both cables and both drums on an 8-foot door, or a job where the drum took damage when the cable failed. We give you a flat, written price before any work begins, per Clause 1 of The Haven Standard, and that number is the number you pay, not a starting point.
Here’s the breakdown we quote in the Los Angeles market:
- Single cable replacement: $155 to $195
- Both cables: $195 to $250
- Both cables plus one drum: $225 to $275
- Both cables plus both drums: $250 to $295
The range is driven mostly by drum condition, door height, and whether the EZ-Set torsion system requires a specific Clopay drum that costs more than the standard. Every quote includes the parts, the labor, the photo record of what we found and what we replaced, and the 365-Day Done Right Promise: if it’s not done right, we make it right. If another company has quoted you a written estimate for this repair, bring it in and we’ll do a free second opinion, no coupon required.
DIY or Call Us?

The honest answer: you can inspect, but you shouldn’t replace. Checking a cable for fraying, looking at the drum for scoring, and noting whether the door hangs level are all safe things we encourage any Los Angeles homeowner to do. The moment you reach for a wrench on a torsion system, you’re dealing with the stored energy of a wound spring, and when that energy releases into a hand or a face, it does not give second chances.
Clopay’s EZ-Set torsion hardware is slightly more forgiving than standard torsion, but the cable still runs under full spring tension. We say it plainly: this is a call-us job. Our technicians carry the right drums, cables, and spring gauges for Clopay doors on the truck, so most Los Angeles jobs are done in one visit. Call (213) 348-6550 and we’ll give you a written price range before anyone sets foot in your garage.
FAQs
Clopay cables typically last 8 to 12 years in Los Angeles conditions, while drums often outlast multiple cable sets. Coastal salt air near the South Bay can cut cable life shorter by accelerating corrosion, which is why we check cable condition on every service call in those neighborhoods. If the cable shows fraying at year eight, replacing it then is cheaper than replacing it after it snaps.
No, we don’t splice or patch cables. A frayed or snapped cable is a replacement item every time. The cable is under constant spring tension, and any repair short of full replacement compromises the door’s load rating. We’ll always show you the damage in the photo record before we quote the replacement.
Most single-door Clopay cable and drum replacements in Los Angeles take 60 to 90 minutes from arrival to a tested, balanced door. If both drums need replacement and the springs need re-tensioning, it can run closer to two hours. We text you a technician’s name and arrival window when you book, and we answer the phone live when you call (213) 348-6550.
Yes, we stock standard 7-foot and 8-foot Clopay-compatible cables and drums on the truck, plus 12-inch-radius low-headroom drums for the tighter track setups common in older Los Angeles garages. If your door requires a non-standard part we don’t have on board, we order it and return, and we tell you that on the phone before we arrive. Estimates for this repair are free, and the price is quoted and agreed before any work starts.
Written by Marcus Deller, Owner, Servo Garage Doors Los Angeles at Servo Garage Doors Los Angeles, serving Los Angeles and nearby areas.






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