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.
Genie Cable & Drum Replacement: The Aurora Owner’s Guide
Genie cable and drum replacement in Aurora typically runs $130-$250 installed, and we stock the common Genie drum sizes and cable lengths on every service truck. Most replacements are completed in under 90 minutes once the door is secured. Homeowners usually discover the failure when one side of the door hangs lower than the other, the door shudders in the track, or the opener strains and reverses without explanation.
We’re an independent service provider, not affiliated with Genie, though we carry OEM and quality aftermarket equivalents for their full opener and door hardware line.
Which Genie Models This Applies To
The cable and drum assembly on a Genie system sits at the end of the torsion tube or at the bottom fixture of an extension-spring door, depending on your setup. For Genie screw-drive, chain-drive, and belt-drive openers paired with sectional doors, the drum is typically a 4-inch or 5-inch cast-aluminum lift drum with a stamped part number on the inner hub. The cable is 1/8-inch or 5/32-inch aircraft-grade galvanized wire, seven by nineteen strand, with a looped end fitting.
Common Genie lines we match in Aurora include the ChainLift, IntelliG, and QuietLift series, plus the older ProMax and PowerLift units still running in homes near the Anschutz Medical Campus and out toward Southlands. The critical compatibility gotcha: Genie drums for low-headroom track systems use a thinner hub profile, roughly 0.75 inches versus the standard 1.125 inches. Installing a standard drum on a low-headroom door overwraps the cable in the first two turns and causes fraying within six months. We measure hub width and cable drum diameter before quoting, because the wrong part number fits but fails.
OEM Genie drums carry the blue logo stamp and run 20-30% above aftermarket equivalents from Prime-Line or National Hardware. For most Aurora homes, we quote the aftermarket option first, same warranty term, unless the customer specifically requests the factory part.
Signs Your Genie Cable & Drum Replacement Is Failing

- Door hangs crooked in the opening. One cable has slipped or snapped on its drum, so the lift force concentrates on the intact side. The door tilts, binds in the track, and the opener safety sensor may trigger a reverse.
- Visible cable fraying or rust blooming near the loop end. Colorado’s freeze-thaw cycles and road salt tracked into garages accelerate corrosion at the stress point where the cable wraps the drum. We see this most in January through March in Aurora.
- Drum wobble or grinding noise during operation. The drum bore has wallowed out on the torsion tube, or the set screws have backed off. The drum spins eccentrically, chewing the cable and the tube surface together.
- Opener runs but door barely moves. A cable has unspooled from the drum and is coiled at the bottom bracket, so the drum turns without transferring lift. The opener motor labors against the imbalance and may overheat.
- Cable is slack when the door is fully closed. The drum’s retaining notch has cracked or the cable anchor has pulled through. The cable should remain under light tension at all door positions; slack indicates structural failure of the drum or anchor point.
Before
AfterReplacement Cost & What’s Included
| Service | Price Range in Aurora |
|---|---|
| Cable & Drum Replacement (single side) | $130-$250 |
| Cable & Drum Replacement (both sides) | $220-$420 |
| Additional torsion tube inspection/repair | $0-$80 (if needed) |
The $130-$250 range covers removal of the failed cable and drum, measurement and matching of the replacement to your Genie system’s drum diameter and cable length, installation with proper tension balancing, and a full-cycle test. What drives the upper end: low-headroom hardware requiring specialty drums, significant rust on the torsion tube needing cleaning or replacement, or a door that has been operating unbalanced long enough to damage the hinges or rollers.
Per Clause 1 of The Haven Standard, we deliver a flat, written price and written scope before any work starts. The price you agree to is the price on the invoice. Every cable and drum replacement carries our 365-Day Done Right Promise.
DIY or Call Us?

Here’s what you can safely check without tools: look at the cable where it wraps the drum for fraying, rust, or broken strands, and listen for grinding during a manual lift test with the opener disconnected. If you see slack cable, stop operating the door.
Here’s where DIY goes wrong. The cables on a torsion-spring door are under hundreds of pounds of tension even when the door is closed. Unwinding the drum without proper winding bars and knowledge of the spring’s torque rating can release stored energy suddenly. We’ve responded to calls in Aurora where a homeowner’s socket slipped off the set screw and the torsion tube spun freely, damaging the header bracket and the opener rail. The cable and drum replacement itself is straightforward for a trained technician with the right tools; for someone without both, it’s a genuine injury risk.
Call (720) 477-6050 and we’ll name the part, quote the range, then get to work.
FAQs
Typically 8 to 12 years in Colorado’s climate, though road salt and unheated garages push the lower end. The freeze-thaw cycling we get east of I-225 accelerates corrosion at the cable loop, so we inspect that point specifically during any service call.
No. A frayed cable has lost structural integrity and cannot be spliced or re-terminated safely. Replacement is the only acceptable repair. Call (720) 477-6050 for an exact quote; estimates are free.
Most Genie cable and drum replacements take 60 to 90 minutes, including door rebalancing and a full safety check. We stock the common Genie drum sizes and cable lengths on every truck, so there’s no waiting on parts.
Yes. We stock 4-inch and 5-inch lift drums, low-headroom profile drums, and 1/8-inch and 5/32-inch cables in standard lengths for Genie-compatible systems. For obsolete Genie hardware, we source next-day or offer a documented equivalent. Call (720) 477-6050 to confirm match.
Written by Marcus Deller, Owner, Servo Garage Doors Aurora at Servo Garage Doors Aurora, serving Aurora and nearby areas.






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