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 Manor Owner’s Guide
We stock and install Clopay-compatible cable and drum assemblies for most residential models in Manor, with typical installed pricing between $130 and $250 depending on door size and hardware condition. Most replacements are completed in a single visit because our trucks carry the common Clopay drum sizes, cable lengths, and winding cones needed for 7-foot and 8-foot doors. Same-day service is available when you call (737) 214-0959.
Most Manor homeowners notice the problem when the door starts listing to one side, or they hear a metallic thump from the garage and find a loop of cable on the floor. The cable hasn’t just slipped off the drum. Usually the drum itself has cracked at the hub, or the cable has frayed through at the bottom bracket where Central Texas humidity and road grit collect. Either way, the door is now lifting unevenly, and that uneven load is already transferring stress to the torsion spring and the opener rail.
Which Clopay Models This Applies To
Clopay has used several drum and cable configurations across their product lines, and matching the right assembly matters for door balance and opener longevity. The most common in Manor are the 4000 series and Gallery Collection doors with standard-lift drums, plus the Avante and Modern Steel lines that sometimes ship with low-headroom or vertical-lift hardware depending on the garage ceiling height.
To identify your part, check the sticker on the inside top edge of the door panel for the model number and manufacturing date. Pre-2015 Clopay doors often used a 4-inch diameter standard-lift drum with 1/8-inch aircraft-grade cable; newer models may spec a 5-inch drum for heavier doors or high-cycle applications. The cable length must match door height exactly. A 7-foot door takes roughly 106 inches of cable; an 8-foot door takes about 122 inches. Get this wrong and the door winds unevenly on the drum.
We carry both OEM Clopay hardware and quality aftermarket equivalents from DURA-LIFT and National that meet the same tensile specs. For most residential replacements in Manor, the aftermarket option performs identically at a lower parts cost. We will show you both and quote the difference before we start. Mainspring Garage Door Co. is an independent service provider, not affiliated with Clopay.
Signs Your Clopay Cable & Drum Replacement Is Failing
- The door hangs crooked when opening or closing. One cable has stretched or the drum has slipped on the torsion tube, so the left and right sides of the door rise at different rates. This puts twisting force on the door panels and can warp the top section over time.
- A cable is frayed, kinked, or rust-pitted near the bottom bracket. The cable is made of woven galvanized steel strands, and once the outer layer shows wear, the remaining strands are carrying overload. In Manor’s clay soil environment, garage floors tend to hold moisture, and that moisture wicks up the cable at the low point.
- You hear a loud bang from the garage, then the door won’t move. The cable has snapped under load or the drum has cracked at the cast hub. The remaining cable and spring are now holding the full door weight, which is dangerous and will damage the opener if you try to run it.
- The cable has unwound from the drum and lies in a loop. This usually means the set screws on the drum have loosened, or the drum itself has developed a hairline crack that lets the cable slip its groove. Do not rewrap the cable yourself. The torsion spring above is still under full tension.
- The door feels heavier than usual to lift manually. When one cable loses tension, the effective spring force drops by roughly half. The opener strains, or if you disconnect it, the door feels like it gained a hundred pounds. This is the stage right before total failure.
Replacement Cost & What’s Included
| Service | Price Range in Manor |
|---|---|
| Cable & Drum Replacement (single side) | $130 - $250 |
| Cable & Drum Replacement (both sides) | $220 - $400 |
| Additional parts (bottom brackets, fasteners) | $25 - $65 |
The price range reflects door size, whether one or both sides need work, and the condition of related hardware like bottom brackets and flag brackets. We inspect these while we’re there. If a bracket is cracked or the fasteners are wallowed out, replacing them now prevents a callback in six months.
Every cable and drum replacement includes new cables properly wound and tension-balanced to the existing torsion spring, drum set screws torqued to spec, and a full cycle test before we leave. The price we quote is the price on the bill. No surprises. The work is covered by our 90-Day Done Right Promise in writing.
DIY or Call Us?
There is a safe middle ground here, and then there is a hard stop.
You can safely look. Check whether the cable has simply slipped its groove, photograph the drum and any model markings, and verify whether the door is level in the closed position. Do not pull the red emergency release cord if the door is stuck partway open. A released door with a failed cable can drop hard on one side.
Do not attempt to rewind, replace, or adjust cables yourself. These cables are under the same torsion as the spring, and a slipping wrench or miscounted winding turn can release stored energy without warning. We have seen broken wrists and worse from well-meaning homeowners in neighborhoods off Parsons Road who watched a video and thought they had it handled. The drum set screws alone require a specific torque spec; too loose and the cable walks, too tight and you strip the hub.
We carry Clopay-compatible drums and cables on every truck. Most replacements in Manor are done in under 90 minutes. Call (737) 214-0959 and we will quote the flat price before we open the toolbox.
FAQs
In Central Texas conditions, expect 8 to 12 years from quality cables and 15 to 20 years from cast drums under normal residential use. The limiting factor is usually the cable, not the drum. Manor’s combination of summer heat cycling and spring humidity accelerates corrosion at the bottom bracket, which is why we inspect that junction point on every service call. Call (737) 214-0959 for a free estimate if you’re unsure of your hardware age.
No. A frayed cable must be replaced. Cable is manufactured as a balanced woven assembly, and splicing or clamping a damaged section creates a weak point with unpredictable failure timing. We replace the matching cable on both sides to maintain equal tension, even if only one looked bad. Call (737) 214-0959 and we will quote both options.
Most single-side replacements take 45 to 75 minutes; both sides run 60 to 90 minutes. That includes diagnosis, parts swap, tension balancing, and cycle testing. We stock the common Clopay drum sizes and cable lengths, so there is no waiting on parts. Call (737) 214-0959 for same-day scheduling.
Yes. Our trucks are stocked with standard-lift and low-headroom drums, 1/8-inch and 3/32-inch cables in standard lengths, and the compatible bottom brackets and fasteners for Clopay’s current and recent residential lines. For older or specialty Clopay hardware, we can source next-day if needed. Call (737) 214-0959 to confirm availability for your model.
Carl Dutton and the crew at Mainspring have been handling cable and drum work in Manor for well over a decade, from the older homes near downtown out to the newer builds past the Manor ISD campus. We quote the price before the wrench turns, and we stand behind the work for 90 days in writing. That is how we have operated since 1984. Quote first, wrench second.
Ready to get your Clopay door running level and quiet again? Call (737) 214-0959 for a free estimate. A live person answers, day or night, and we will have a technician to you with the right parts on the truck.
Written by Carl Dutton, Owner, Mainspring Garage Door Co. at Mainspring Garage Door Co., serving Manor and nearby areas.






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