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Linear Gate Motor Replacement: The Granada Hills Owner’s Guide
We stock and install Linear-compatible gate motor replacements throughout Granada Hills, with most jobs running between $850 and $1,900 installed depending on your model and what actually failed. If you call before noon, we can usually have a motor on the truck and be at your gate the same day. The way most Granada Hills homeowners discover a failing Linear motor is frustrating: the gate starts moving slower than it used to, then one morning it opens halfway and stops, or you hear a clicking noise but nothing moves. By the time you’re searching for replacement parts, you’ve probably already spent a weekend prodding at it and asking the neighbor who “knows about these things.”
Key Takeaways:
- Most Linear gate motors in Granada Hills last 8 to 12 years before the gearbox or control board gives out
- OEM Linear parts are worth the money on control boards; aftermarket arms and capacitors are usually fine
- The 90-Day Done Right Promise covers every replacement we do, in writing
- We carry Linear-compatible parts on the truck for the most common swing and slide models
Which Linear Models This Applies To
Linear made a few distinct gate operator lines over the years, and the replacement path is different for each. The most common ones we see on Granada Hills driveways are the Linear Pro Access series (LDO50, LDO33, and the swing-arm LD050/LD033), the older Linear ACP007 and ACP008 swing operators, and the Slide Gate versions like the SLR and SLC series. If you’ve got a Linear actuator arm on a swing gate, the part that fails first is almost always the internal gearset, not the motor itself – though by the time most owners notice, both are worn.
Here’s what you need to check before you order or call: find the model plate on the side of the operator box or the arm housing. It’ll have a model number like “LDO50” or “APeX 2000” and a serial number. That serial tells us the exact production run, which matters because Linear changed control board manufacturers at least three times over the years, and a board from a 2012 LDO50 won’t always talk to a 2019 arm. If the plate is sun-faded and unreadable, which we see all the time in the Granada Hills heat, send us a few photos and Hal can usually identify it from the board layout and the arm housing. We’re an independent shop, not affiliated with Linear, so we’ll tell you honestly when an OEM part is the only safe call and when a quality aftermarket equivalent does the same job for 40% less.
Signs Your Linear Gate Motor Replacement Is Failing
- The gate slows down noticeably, especially in the last third of travel. The gearbox grease has broken down and thickened. Linear’s original grease doesn’t love years of Granada Hills summer temperatures, and once the gears are running dry, the motor draws more current to compensate. That extra heat shortens the motor’s life.
- You hear a click from the control board but nothing moves. The relay is firing, but the capacitor or the motor windings are dead. This is where people burn out starter caps trying to “help” the gate along.
- The gate opens but won’t close, or closes but won’t open, with no obvious obstruction. The limit switch on the arm has gone out of adjustment or failed entirely. A gate that works one direction and not the other is almost never the motor. It’s the limit logic.
- The motor runs but the gate doesn’t move. Stripped gear. The plastic drive gear inside Linear arms is deliberately sacrificial – it’s meant to fail before the more expensive motor. When it goes, the motor spins freely and the gate just sits there.
- The gate wakes up dead after a power event. The control board got spiked. Granada Hills sits in an area where rolling brownouts and transformer events happen more than people realize. A whole-home surge protector helps, but we still see cooked Linear boards a few times a month.
Replacement Cost & What’s Included
Here’s what a Linear gate motor replacement runs in Granada Hills, installed by us:
| Service | Typical Range | Notes |
|---|---|---|
| Actuator arm replacement (swing gate) | $850-$1,400 | Includes new arm, limit setup, wiring check |
| Slide gate motor replacement | $1,100-$1,900 | Includes chain/belt check, sprocket inspection |
| Control board only (if arm is still good) | $400-$650 | OEM or verified aftermarket, programmed and tested |
| Capacitor / limit switch / gearset repair | $180-$400 | Repair-first option when the motor itself is fine |
Every quote is set before work starts, and it doesn’t move at the door. That’s not fine-print language, it’s how we run the shop. You get the part cost and the labor cost as separate lines, and if we can repair instead of replace, we tell you that first. The 90-Day Done Right Promise covers parts and labor – if it fails inside that window, one call brings us back, no runaround. And don’t forget: $40 off any repair over $200, and a permanent 10% discount for seniors and veterans.
DIY or Call Us?
Here’s the honest version. You can safely check a few things before calling anyone: confirm the breaker isn’t tripped, eyeball the gate track for obvious debris, and make sure the gate itself isn’t sagging and dragging on the ground. A sagging gate will kill any motor you put on it, and replacing the motor without fixing the sag means you’ll be doing this again in three years. Hal likes to say: “Fix the panel without the post and you’ll fix it twice.”
What you shouldn’t do is open the Linear arm housing or start probing the control board yourself. The capacitor inside a Linear operator stores enough charge to knock you on your back even with the power off, and the wrong wire on the wrong terminal turns a $400 repair into a $1,200 replacement. If the arm isn’t moving, tell us what it’s doing and we’ll tell you what it needs – no runaround. Call (760) 361-6706 and a live person answers, day or night.
FAQs
Expect 8 to 12 years in this climate. The heat is the enemy. Motors in shaded, well-ventilated gates push toward the top of that range; motors baking in afternoon sun every day from June through October push toward the bottom.
In a lot of cases, yes. We repair gearsets, replace capacitors, rebuild limit switches, and swap control boards when the motor windings are still healthy. We’d rather fix a $300 part than sell you a $1,100 part you didn’t need. Call (760) 361-6706 and we’ll diagnose it straight.
A swing-arm motor replacement usually takes 2 to 4 hours on site. A slide gate motor with chain and sprocket work runs 4 to 6 hours. We do it at your driveway – the gate never leaves the property.
We carry Linear-compatible arms, control boards, capacitors, limit switches, and gears for the most common LDO, LD, ACP, SLR, and SLC models. If you’ve got something older or less common, we can generally have the right part in hand within a day or two. We also stock parts for LiftMaster, Mighty Mule, and Ghost Controls, so if your gate setup is mixed-brand, we can handle that too.
Written by Hal Gatewood, Owner, Gatewood Fence & Gate at Gatewood Fence & Gate, serving Granada Hills and nearby areas.





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