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 Bellevue Owner’s Guide
Genie cable and drum replacement in Bellevue typically runs $130-$250 installed, and we stock the common Genie-compatible sizes on every truck. Most jobs are completed in under 90 minutes once the technician confirms the drum diameter and cable length against your opener rail and door height. You’ll usually notice this failure first as a door that sits crooked, cables that look frayed or unspooled, or a grinding sound from the drum area during open/close cycles.
Which Genie Models This Applies To
Genie has used several drum and cable configurations across its opener lines, and matching the wrong one leaves your door tracking unevenly or the opener straining against misaligned lift geometry. The critical identifier is the drum diameter, which Genie specs at 4-inch, 5-inch, or 6-inch depending on door height and rail length. ChainLift, ReliaG, and IntelliG series openers shipped from roughly 2012 onward most commonly use the 4-inch drum with 1/8-inch aircraft-grade cable; older DirectLift and PowerLift units often carried the 5-inch version. The model sticker lives on the power head, but the drum itself should show a casting number we cross-reference before quoting.
We carry both OEM Genie drums and cables and quality aftermarket equivalents from DDM Garage Doors and Prime-Line that meet the same load-cycle specs. For most Bellevue homes built 2015-2020 with standard 7-foot sectional doors, the aftermarket equivalent performs identically at lower parts cost, which we note in writing before you decide. The exception is Genie’s wall-mount 6170 and 6070 models, which use a proprietary drum profile; aftermarket fitment there is unreliable, so we quote OEM specifically when that series comes up.
Signs Your Genie Cable & Drum Replacement Is Failing

- Door hangs crooked or one side lifts faster. When one cable frays or a drum develops a flat spot, the lift becomes asymmetric. The opener keeps running, but the door torques in the track and the rollers bind on one side.
- Cable unspools from the drum or looks like a bird’s nest. This usually means the drum groove has worn past its cable retention angle, or the cable has jumped due to a tension imbalance. Either way, running the opener again risks cable kinking or snapping.
- Grinding or clicking from the header area. A cracked drum hub spins eccentrically, producing a rhythmic click each rotation. We’ve found this on Genie units in Bellevue’s older Crossroads split-levels where the garage runs warm and dry, accelerating plastic fatigue in certain drum lots from 2014-2016.
- Visible rust or broken strands on the cable. Bellevue’s winter humidity cycles condense in garages that aren’t heated daily. Surface rust progresses to pitting, and a single broken strand means the remaining cross-section is carrying overload.
- Opener runs but door barely moves. If the cable has slipped off the drum entirely, the opener trolley travels while the door stays put. The motor’s force limit may eventually trip, but not before the rail or carriage takes stress it wasn’t designed for.
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AfterReplacement Cost & What’s Included
| Service | Price Range |
|---|---|
| Cable & drum replacement (standard Genie 4″ or 5″) | $130-$250 |
| Proprietary drum (Genie wall-mount 6170/6070 series) | $180-$290 |
| Additional cable set (second door, same visit) | $90-$160 |
The $130-$250 range covers removal of the failed drum, cable replacement with matched gauge and swaged fittings, re-tensioning to Genie’s specified lift balance, and a full cycle test. What pushes toward the higher end: proprietary drum profiles, cable runs over 10 feet for 8-foot doors common in newer Spring District construction, or corrosion-fused hardware that takes extra time to extract cleanly. We photograph the worn drum and cable before touching anything, per Clause 4 of The Haven Standard, and the written scope shows parts and labor as separate line items before you approve. The 365-Day Done Right Promise covers the installation; OEM parts carry their manufacturer’s warranty, and our aftermarket equivalents carry equivalent coverage through us.
DIY or Call Us?

There’s a safe middle ground here. A homeowner can inspect the cable for fraying, confirm the door is disconnected from the opener (red emergency release handle, pulled down and back), and check whether the cable is simply off the drum versus actually broken. What you should not do: re-spool cable under residual spring tension, or loosen the drum set screws without knowing whether your door uses torsion or extension springs. Torsion springs store lethal energy; even with the door down, an uncontrolled release can cause serious injury. We’ve responded to calls in Bellevue where a well-intentioned owner turned a $180 cable job into a door-off-track, bent-section, and spring-replacement situation.
If the cable is broken, the drum is cracked, or you’re unsure of the spring type, stop there. Call (425) 696-3561, and we’ll name the part, quote the range, then do the work.
FAQs
Most Genie cable and drum assemblies last 8-12 years under normal residential use, but Bellevue’s wet winters and dry summer spells accelerate corrosion in unheated garages. We’ve replaced cables at 6 years on homes near Lake Sammamish where morning condensation sits heavy, and seen 15-year sets in climate-controlled attached garages.
No. A frayed or broken cable is a full replacement; splicing or welding compromises the rated breaking strength and voids any warranty coverage. We replace both cables as a matched set even if only one has failed, since uneven wear between sides causes the same tracking problems you’re trying to solve.
Standard Genie cable and drum replacement takes 45-90 minutes once the technician has confirmed part fitment. Proprietary wall-mount drums or seized hardware can extend to two hours; we update the written scope on site if anything changes before work proceeds.
Yes. We carry 4-inch and 5-inch drums, standard and long-length cables, and the OEM proprietary profiles for the 6170/6070 wall-mount series. If your Genie model uses an unusual configuration, we’ll identify it during the diagnostic and schedule a return with the exact part, no return trip charge.
Servo Garage Doors Bellevue is an independent service provider, not affiliated with Genie. We also stock parts for LiftMaster and Chamberlain systems.
Ready to get this fixed? Call (425) 696-3561 for a free estimate. A live person answers 24/7, including holidays, and you’ll get a named technician with an on-the-way text, not a callback window.
Written by Marcus Deller, Owner, Servo Garage Doors Bellevue at Servo Garage Doors Bellevue, serving Bellevue and nearby areas.






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