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.
Before
After
Before
After
Before
AfterClopay Cable & Drum Replacement: The Hollywood Park Owner’s Guide
We stock and install Clopay-compatible cable and drum assemblies for Hollywood Park homes, with most replacements completed in a single visit for $130-$250 installed. Our trucks carry both OEM Clopay drums and matched aftermarket equivalents sized for the Coastal and Canyon Ridge series common in this area. You’ll usually notice the problem when the door hangs crooked, one side lifts faster than the other, or you spot a frayed cable collecting near the bottom bracket.
Which Clopay Models This Applies To
The cable and drum system varies across Clopay’s product lines, and matching the wrong assembly throws off door balance or chews up the track. In Hollywood Park, we most often see the Gallery Steel, Classic Steel, and the insulated Coachman carriage-house doors installed between the late 1990s and mid-2010s. The drum itself carries a part number stamped on the inner hub, usually a four- or five-digit code starting with 4, 5, or 8 depending on door height and track radius. Standard 7-foot doors take a 400-8 or 400-12 drum; 8-foot doors need the 525-18 or 525-54 variant. The cable diameter matters too: Clopay typically specs 1/8-inch 7×19 galvanized aircraft cable for residential doors, but some heavier Coachman models shipped with 5/32-inch.
We are an independent service provider, not affiliated with Clopay. For homeowners near Bitters Road with older Canyon Ridge overlays, we’ve learned to verify the drum bore diameter before leaving the shop, because Clopay shifted from 1-inch to 1.25-inch bore sizes around 2012 without changing the exterior model designation. Our trucks carry both. Aftermarket equivalents from DDM and National match OEM specs at lower cost, though we default to OEM when the original drum shows unusual wear patterns that suggest a manufacturing tolerance issue.
Signs Your Clopay Cable & Drum Replacement Is Failing
- The door sits crooked when closed. One cable has stretched or slipped on its drum, leaving that side of the door an inch or two lower than the other. The drum’s grooves are designed to keep cable wrap consistent; worn or cracked grooves let the cable stack unevenly.
- Loud popping or grinding when the door moves. This usually means the cable is riding up on the drum flange instead of seating in the grooves. The drum may be cracked at the hub, or the cable has developed flat spots from corrosion that prevent smooth spooling.
- Visible fraying or rust on the cable. Hollywood Park’s humidity swings between summer storms and dry winter spells accelerate corrosion inside the cable strands. Once you see three or more broken wires in a 12-inch section, the cable is living on borrowed time.
- The cable has come completely off the drum. This often traces to a failed bearing in the end plate, letting the drum wobble enough to throw the cable. Simply re-winding the cable without checking the drum and bearing sets you up for a repeat failure within weeks.
- The door feels heavier than usual to lift manually. A damaged drum changes the effective leverage ratio of the cable system. The spring still carries most of the weight, but the door fights the uneven cable path, and the opener strains harder on every cycle.
Replacement Cost & What’s Included
For Hollywood Park homeowners, Clopay cable and drum replacement runs $130-$250 installed. The lower end covers a standard 7-foot door with straightforward access and a single cable-drum pair in good condition. The upper end applies to 8-foot doors, heavier wood-composite construction, or situations where both drums, both cables, and the end-plate bearings need attention.
Every quote we give is flat and final. We state the price before touching a tool, and it does not change once we open the door. That quote includes the parts, labor, disposal of the old assembly, and a written 90-Day Done Right Promise. If the door does not run smooth and straight, we come back. No paperwork to file, no argument.
| Component | Price Range |
|---|---|
| Single cable replacement (standard door) | $130-$180 |
| Cable and drum pair (both sides) | $180-$250 |
| Add end-plate bearing replacement | $40-$60 additional |
DIY or Call Us?
There is a safe middle ground here, and then there is the line you should not cross. A homeowner can visually inspect cables for fraying, check that drums rotate freely by hand with the door down and the opener disconnected, and confirm the door sits level on the floor. Those checks cost nothing and tell you plenty.
What you should not attempt: winding cable onto a drum under spring tension, or removing the set screws from a loaded torsion system. The springs above your Clopay door store enough energy to cause serious injury if they release unexpectedly. We have responded to calls in Hollywood Park where a well-intentioned owner used a winding bar from the hardware store and the bar kicked back hard enough to fracture a wrist. The cable and drum sit downstream of that tension. Leave the release and re-tensioning to someone with the right bars, the right training, and the habit of checking their work twice.
If your door is stuck open, stuck crooked, or the cable is dangling free, call (830) 356-2849. We answer live, day or night.
FAQs
In this climate, expect 8 to 12 years from a cable-and-drum set under normal residential use. The summer humidity and occasional hard freeze cycle in Hollywood Park accelerate corrosion at the drum hub and inside the cable strands, so doors facing afternoon sun or with poor garage ventilation tend toward the shorter end of that range. Call (830) 356-2849 and we will inspect yours at no charge.
No. A frayed or corroded cable must be replaced in full length. Splicing or clamping a cable creates a weak point that will fail under load, and it violates basic safety practice for overhead door systems. We replace the cable with new, factory-spec material every time. Call (830) 356-2849 for a free estimate.
Most Clopay cable and drum replacements take 45 to 90 minutes from arrival to finished, tested door. We carry the common drum sizes and cable lengths on every truck, so there is no waiting for parts. If end-plate bearings or additional hardware is needed, we stock those too. Call (830) 356-2849 to schedule.
Yes. Our trucks carry Clopay-compatible drums, 1/8-inch and 5/32-inch cables, end-plate bearings, and the hardware kits for standard 7-foot and 8-foot residential doors. For less common Clopay configurations, we source overnight from San Antonio suppliers and return the next day. Call (830) 356-2849 and we will confirm your part before dispatching.
Carl Dutton runs Mainspring Garage Door Co. the same way he quotes a job: tell me what it is doing, I will tell you what it costs, then we fix it. That approach has carried us through 42 years, including plenty of repeat work for Hollywood Park homeowners who remember the last contractor who changed the price at the end.
Call (830) 356-2849 for a free estimate on your Clopay cable and drum replacement. Our phones are answered by a live person, 24 hours a day, including nights, weekends, and holidays. Mention this page for our standing $50 off any repair over $250, or ask about our $89 Seasonal Tune-Up to catch problems before they strand your car in the garage.
Written by Carl Dutton, Owner, Mainspring Garage Door Co. at Mainspring Garage Door Co., serving Hollywood Park and nearby areas.