Free on-site gate assessment - hinges, posts, and your LiftMaster or Nice gate operator checked before anything is quoted
The assessment is free and the quote is the invoice.
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Before
AfterDoorKing Hinge & Roller Replacement: The North Hollywood Owner’s Guide
We stock and install DoorKing-compatible hinge and roller replacements for most swing and slide gate models, with typical installed pricing in North Hollywood running $185 to $420 depending on the model line and whether the hinge bracket or roller track is also worn. Most replacements are done same-day, since we carry the common DoorKing roller sizes and hinge sets on the truck. Owners usually discover the problem two ways: the gate starts dragging and moaning at the end of travel, or the wheel finally chews through the nylon and the gate rides on bare steel against the track.
What we find when we open these up is rarely a mystery. The roller wears flat on one side, the gate loses its level, and the hinge takes side load it was never designed to carry. By the time a North Hollywood homeowner calls us, the gate has usually been noisy for two or three months. That’s normal. It takes a while for a flat-spotted roller to fail completely.
Which DoorKing Models This Applies To
DoorKing builds two families that use these parts differently. Their slide gate lines (the 9000-series and the 1600/1601/1602 barrel gate operators) run on a steel wheel assembly that bolts to the gate frame and rides a V-track or flat track. Their swing gate lines (the 6000-series and the 9150 articulated arm operators) use bearing-style hinges where the gate post and gate frame meet. Both are replaceable without touching the operator itself, which is the good news.
On the slide side, the roller you need depends on the gate weight and the track profile. DoorKing OEM rollers come in 2-inch, 3-inch, and 4-inch diameters, steel or nylon-faced, with either a V-groove or flat face. A 16-foot wrought-iron gate typically uses a 4-inch steel roller, while a lighter tube-frame gate might run a 2-inch nylon. Here’s the compatibility gotcha we run into in North Hollywood all the time: many gates have had the original DoorKing roller swapped at some point for a generic hardware-store wheel, and the bracket holes no longer match the OEM spacing. If that’s the case, we drill and sleeve the bracket or replace it, rather than forcing the wrong part on.
For hinges, the swing-gate replacement is less about brand and more about steel thickness and bearing quality, but DoorKing’s spec calls for a greasable bearing on gates over 400 pounds. Cheap aftermarket hinges with sealed bearings will run quiet for about a year and then start rasping. We install a greasable hinge for any gate over that weight, which costs a few dollars more and lasts three to four times as long.
We’re an independent service provider, not a DoorKing dealer or affiliate. That means we match parts to the gate that’s in front of us, not to a catalog loyalty. We also stock hinge and roller parts for LiftMaster, Mighty Mule, and Ghost Controls when a property has mixed equipment.
Signs Your DoorKing Hinge & Roller Replacement Is Failing
- The gate makes a rhythmic clunk at a specific point in travel. A flat-spotted roller hits the same position on every cycle. If the clunk is regular, you’re not guessing, you’re diagnosing.
- The top corner opposite the hinges sags. The gate has been carrying weight on a worn bearing. A level check with the gate closed and open will show a measurable drop, sometimes as much as half an inch at the latch side.
- The motor runs louder under load or trips its current sensing. When the roller binds, the operator pulls more amperage to move the same gate. This is the early stage of operator damage. Fix the roller before the board takes the hit.
- You can hear steel on steel, especially in the morning. Nylon rollers wear through and the gate runs on the steel core. Morning dew in North Hollywood accelerates the noise because the bare metal is wet.
- The gate is harder to push manually than it used to be. With the operator disengaged, you should be able to move the gate with one hand. If it takes both, you’re fighting a seized roller or hinge bearing.
BeforeAfterReplacement Cost & What’s Included
North Hollywood pricing for DoorKing hinge and roller replacement breaks down like this:
- Slide gate roller replacement (single roller): $185 - $275 installed, including the roller, bracket check, track cleaning, and a level adjustment.
- Slide gate roller replacement (both rollers, recommended): $320 - $420 installed. Replacing one roller on a gate with two almost always leaves the gate slightly off-level, so we quote both when both are original.
- Swing gate hinge replacement (gate over 400 lbs): $350 - $520 installed for a greasable-bearing hinge set, including lifting and re-hanging the gate.
- Track repair or bracket re-drilling (if the previous fix used mismatched parts): $80 - $150 added, quoted before we touch it.
Every price is written before work starts. That’s Haven Standard Clause 1, and it’s not negotiable here. You’ll know the part number, the labor, and the total before we pick up a tool. The work carries the 365-Day Done Right Promise: if it’s not right, we make it right, no fee, no argument, for a full year.
DIY or Call Us?
The honest split: you can check the roller condition yourself without any danger. Disengage the operator, lift the gate slightly with a pry bar, and spin the wheel by hand. If it grinds, wobbles, or spins without resistance, it’s done. That’s a five-minute check any homeowner can do.
The repair side is a different story. These gates weigh 400 to 1,800 pounds. If the roller is seized, the gate is resting on it under load. Removing it without properly supporting the gate turns the gate into a falling object and the track into a pinch point. We use a floor jack and blocking on every roller swap, and we level the gate after the new parts go in. If a hinge bearing fails on a heavy swing gate, the gate can drop at the latch side while it’s still hanging. That’s not a hand-tool job. Call (213) 566-1045 and we’ll give you a straight answer on what you’ve got.
FAQs
Steel rollers on a properly leveled gate typically last 5 to 7 years in the North Hollywood climate. Nylon-faced rollers last 2 to 4 years before the face wears through. Hinges with sealed bearings fail faster than greasable ones, usually somewhere between 3 and 5 years. The climate factor here is fine dust and dry heat from the valley, which pulls lubricant out of sealed bearings and turns the track into sandpaper. If your gate faces a busy street or a dirt alley, expect the shorter end of those ranges. Call (213) 566-1045 if you’re not sure what’s on your gate now.
No. Once a roller face is flat-spotted or the bearing has run dry, the internal surfaces are already galled. Repacking a sealed bearing with grease or filing a flat spot round again is a losing game. The part is replaced. What’s worth checking is whether the track or the gate frame also needs work while we’re there, and we’ll tell you that before quoting.
A single slide gate roller swap runs 45 minutes to 90 minutes, including leveling and track cleaning. Both rollers and a hinge set on a heavy swing gate can take 2 to 3 hours, most of that spent lifting, shimming, and re-hanging the gate so it closes square. We tell you the time on the written quote, and we don’t leave until the gate runs level and the operator sounds right.
Yes. We carry the common DoorKing roller sizes in both steel and nylon, plus greasable hinge sets for swing gates over 400 pounds. If you’ve got an unusual gate or an older DoorKing model, we may need to order the part, and we’ll tell you that on the phone before scheduling. Call (213) 566-1045 with your model number and we’ll check stock while you’re on the line.
Written by Adrian Vance, Owner & Lead Technician, Vance Gate Repair North Hollywood at Vance Gate Repair North Hollywood, serving North Hollywood and nearby areas.