Linear Gate Motor Replacement Nationwide

Linear Gate Motor Replacement: The Santa Clarita Owner’s Guide

A Linear gate motor replacement in Santa Clarita typically runs between $850 and $1,900 installed, depending on the model, whether the arm or bracket is reusable, and whether you need a new transformer or control board alongside it. We stock Linear-compatible motors and controllers on our trucks, so on most calls we can have the gate running the same day we arrive. The way owners usually find us: the gate starts groaning mid-cycle, then stops moving entirely, or the remote clicks and nothing happens except a faint hum from the motor housing.

Call (747) 294-2900

What we see most often in the field is mechanical wear on the drive assembly, not a dead motor. The gearbox strips itself gradually. The capacitor bulges. The limit switch loses its calibration and the gate over-travels until something breaks. By the time you’re searching for a replacement motor, there’s usually a visible symptom: the gate jerks, opens halfway, or won’t close unless you hold the button. That’s the failure pattern Linear motors show, and it’s predictable enough that we can usually tell you the culprit before we open the housing.

Which Linear Models This Applies To

Linear gate motors in the residential market break into two main families: the swing-gate operators (the LS series and the older APeX line, which Linear bought and rebranded) and the slide-gate operators (the SL and VS series). If you have a swing gate, you’re almost certainly looking at an LS273, LS275, or the slightly older APeX 3500/3600 units that are still in service across Santa Clarita. Slide gates use the SL9100 or VS GSL series. Each has a different motor assembly, and the motor is not interchangeable between swing and slide units, even when both say “Linear” on the housing.

Here’s the compatibility gotcha we run into constantly: the LS-series motors share a physical footprint across several models, but the gear ratio differs. A motor pulled from an LS273 will not drive an LS275 correctly. The gate will move at the wrong speed and the limits won’t land where they should. We identify the right part by the model tag on the operator arm and the stamped part number on the motor housing itself. For aftermarket equivalents, we use OEM Linear motors whenever they’re available. Where Linear has discontinued a specific motor (which has happened with several APeX units), we install a spec-matched aftermarket motor and we photograph the cross-reference documentation for your record.

Signs Your Linear Gate Motor Replacement Is Failing

• Gate jerks or stutters mid-cycle. This is usually a worn gear or an arm bearing starting to bind. The motor still spins, but the gate can’t move smoothly against the resistance.
• Humming with no movement. The start capacitor on the motor has failed. Power reaches the motor but it can’t get the arm moving. This is one of the most common Linear-specific failures we replace.
• Gate opens but won’t close, or closes but won’t open. The limit switch inside the operator has drifted. Linear limit cams are mechanical and they do slide over time, especially with the temperature swings we get between Newhall and Stevenson Ranch.
• Remote works, keypad works, but the gate only moves a few inches. The internal overload is tripping because the motor is drawing excess current, either from a failing capacitor or a mechanical bind in the arm assembly.
• Intermittent operation that gets worse in cold weather. Grease inside the gearbox thickens and the aging motor has to work harder. In Canyon Country, where winter mornings dip below 40°, we see this pattern every year.

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Replacement Cost & What’s Included

In Santa Clarita, a swing-gate Linear motor replacement lands between $850 and $1,400 in most cases. Slide-gate motor replacements run higher, typically $1,100 to $1,900, because the motor assembly is larger and the chain or rack almost always needs adjustment when the motor comes out. The variable in both cases is what else the motor failure took with it: a cooked capacitor adds $40 to $90, a damaged control board adds $250 to $400, and a bent arm bracket adds $150 to $300 for fabrication or replacement.

Every replacement we quote includes the motor, the installation, recalibration of both limit switches, a torque setting tuned to the gate weight, and a written record of what we installed and how the operator was configured. We hand you a printed price before we touch a tool. If we find something unexpected inside the housing, we stop, show you a photo, and quote the addition before proceeding. No surprise invoice at the end. The work is covered by our 365-Day Done Right Promise: if it’s not right within a year, we make it right at no additional charge.

DIY or Call Us?

There are a handful of things worth checking before you call: confirm the breaker hasn’t tripped, check that the gate moves freely by hand with the operator disengaged, and look at the capacitor for visible bulging or a burnt smell. Those observations help us diagnose faster, and they don’t require any tools.

What we don’t recommend doing yourself is pulling the motor out of a Linear operator with the arm under spring tension, or rewiring a replacement motor without the correct wiring diagram for your specific model. Linear uses a few different wire configurations across the LS and APeX lines, and a miswired limit switch can burn out a brand-new motor the first time it cycles. If you’re not certain of the part number and the wiring map, call (747) 294-2900. We’ll match the motor, install it, and leave you with the wiring diagram and photo record so no future technician has to guess.

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