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 Pasadena Owner’s Guide
Clopay cable and drum replacement in Pasadena typically runs $130-$250 installed, and most jobs are completed the same visit once we confirm the drum size and cable length at the door. The cable is the braided steel line that runs from the bottom bracket up to the torsion drum; the drum is the grooved spool above the door that winds and unwinds that cable as the door travels. Owners usually discover the failure when the door suddenly hangs crooked, makes a sharp scraping sound against the track, or refuses to open with one side visibly sagging. In Pasadena’s dry summer heat and occasional Santa Ana dust, cable strands start to fray at the bottom bracket or the drum grooves accumulate grit that accelerates wear on the cable jacket.

We’re an independent service company, not affiliated with Clopay, but we stock Clopay-compatible cables and drums for the most common residential models, and we photograph the failed component before quoting the replacement, per Clause 4 of The Haven Standard.
Key Takeaways
- Installed price in Pasadena: $130-$250 for cable and drum replacement, quoted in writing before any work starts.
- Same-visit repair: We carry common Clopay drum sizes and cable lengths on the truck.
- Documented record: You get photos of the failed cable and drum, plus the new parts after installation.
- Do not attempt this yourself: The torsion assembly holds enormous tension; a cable slip can cause serious injury.
Which Clopay Models This Applies To
The cable and drum pairing is not universal across Clopay’s lineup. We work on the three residential series most common in Pasadena homes: the IntelliCore, Value Plus, and premium Reserve semi-custom lines, along with older Ideal-brand doors that Clopay manufactured and that still exist in number across the San Gabriel Valley. Each series uses a drum matched to the door’s weight and spring setup, and getting the drum diameter or groove pitch wrong means the cable stacks against itself or slips off, dragging the door out of level on the next cycle.
Compatibility gotchas we see often: Clopay drums come in 4-inch, 5-inch, and 6-inch diameters, and the cable length is determined by door height, not model, so a 7-foot door uses a different cable than an 8-foot door regardless of whether it’s a Value Plus or Reserve. Clopay’s OEM parts are solid, but for older doors where the original part is discontinued, quality aftermarket equivalents from suppliers like SSC and Prime-Line match the spec and run about the same installed price. Marcus Deller grew up tracing how things broke before calling anyone, and that habit carries into the estimate: we name the part number, quote the labor range, and let the invoice match what was said.
Signs Your Clopay Cable & Drum Replacement Is Failing

- One side of the door hangs lower than the other at rest. The cable on that side has stretched, begun to fray, or slipped a groove in the drum, and the door is now carrying its weight unevenly.
- The door scrapes or shudders on the way up. A drum groove packed with Pasadena dust and old grease stops winding cable cleanly, so the cable rides up over the lip and the door jerks with each revolution.
- You can see broken wire strands near the bottom bracket. This is the highest-stress point on any Clopay cable, and once a few strands pop, the rest follow within weeks, usually when the door is halfway up.
- The cable has jumped the drum entirely and is wrapped around the shaft. This usually follows a worn drum or a stretched cable, and it leaves the door jammed at an angle with the top edge off the header.
- You hear a loud snap from above while the door is moving. A cable that has frayed to its last strands gives way under tension, and the noise is similar to a spring breaking because the door drops its full weight onto the remaining cable.
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AfterReplacement Cost & What’s Included
In Pasadena, Clopay certified-compatible cable and drum replacement runs $130-$250 installed per door. The range depends on whether we’re replacing the cable only, the drum only, or both, and on whether the door is a standard 7-foot panel or a larger carriage-house model. Every quote is a flat written price with a written scope delivered before any work starts, per Clause 1 of The Haven Standard, so the number you approve is the number on the invoice.
Here’s what that price includes:
- OEM or spec-matched aftermarket cable with the correct length and strand count for your door height.
- Replacement drum matched to the spring rate and cable thickness of your Clopay series.
- Labor on site including removing the old parts, installing the new ones, and winding the torsion assembly to spec.
- Documented photo record showing the failed components before removal and the new parts after installation.
- 365-Day Done Right Promise on the work itself: if something isn’t right, we make it right.
DIY or Call Us?

If your Clopay cable or drum has failed, do not attempt this repair yourself. The torsion assembly above the door holds enough stored energy to break bone or worse if the cable slips while you’re working on it. What you can safely do is check whether the door is off its hinges, whether the bottom bracket is still bolted to the door, and whether you can see broken strands near the bottom. If the answer to any of those is yes, the cable or drum needs replacement.
From there, the job is ours. Our technicians come background-checked and uniformed, and every visit closes with a photo record of what was found and what was done, so you can see the failed Clopay drum before we quote a replacement. If you’d like us to take a look, call (213) 816-2483.
FAQs
Clopay cables typically last 10 to 15 years in Pasadena’s climate, though dryer, dustier homes and heavy daily use can shorten that to 8 or less. Drums themselves rarely break, but the grooves wear smooth over time, which causes cable slippage and premature cable failure. If one cable has snapped, the drum on that side almost always shows measurable groove wear and we recommend replacing both together.
No. Once a cable frays or breaks, it cannot be spliced back to anything close to its original tensile strength, and any repair attempt would leave the door unsafe. Replacement is the only correct fix, and the installed price range is $130-$250. Call (213) 816-2483 for an exact quote; estimates are free.
Most Clopay cable and drum replacements are done in 60 to 90 minutes for a single door, assuming the spring assembly is intact and the door itself is not damaged. If the spring also failed, which happens often since the cable and spring wear together, the full repair may take two hours. We quote the time and price upfront in the written scope.
Yes. Our trucks carry Clopay-compatible cables for 7-foot and 8-foot doors, along with 4-inch, 5-inch, and 6-inch drums, so the large majority of Clopay cable replacements in Pasadena are completed on the same visit without a follow-up. If your door has an uncommon drum or a discontinued model, we’ll give you the exact part number and a written date before we leave. Call (213) 816-2483 and we’ll confirm what your door needs.
Written by Marcus Deller, Owner, Servo Garage Doors Pasadena at Servo Garage Doors Pasadena, serving Pasadena and nearby areas.






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