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Linear Gate Motor Replacement: The Gardena Owner’s Guide
A Linear gate motor replacement in Gardena typically runs $620 to $1,450 installed, depending on the model and whether we’re swapping just the motor head or the full arm assembly. We stock Linear-compatible motors and parts on our trucks, so most replacements happen the same day we arrive. The way homeowners usually discover they need this work is simple: the gate moved fine for fifteen years, then one morning it just groans and stops, or it opens a foot and gives up. That is the motor telling you it has done its time.
Which Linear Models This Applies To
Linear gate motors span a wide range, but the ones we replace most often in Gardena driveways are the Linear PRO series swing arm operators, namely the PRO-2000 and PRO-3000 single and dual arm kits, and the older Linear LRA and HRA slide operators still running on plenty of South Bay properties. If you have a gate that swings open on an articulated arm, you most likely have a Linear PRO-series motor. If it slides on a track with a chain, you have a Linear slide operator, and the motor replacement path there is different: it may be the motor itself or the control board driving it.
Identification matters. The motor housing on Linear PRO arms has a metal data label with the model number, voltage (115V or 230V), serial number, and cycle rating. That label is the single most useful piece of information when we quote a replacement. If the label is sun-faded or gone, we measure the arm geometry and match the motor by output force. For Linear specifically, we recommend OEM motors when they are still available, because the arm brackets and limit switch mounting points are machined to Linear’s exact dimensions. Aftermarket equivalents work, and we use them when the OEM part is discontinued (which happens with several older Linear slide operator motors), but the fit is not always turnkey. A good aftermarket motor may need a mounting plate fabricated, and that is precisely the kind of work Ironworks Gate Co. does in-house, because Victor Salinas went to school for welding and spent years hanging iron before he ever touched a control board.
Signs Your Linear Gate Motor Replacement Is Failing
- The gate starts, then reverses. This is the Linear’s obstruction sensor or clutch reading resistance that was not there before. Often it is not an obstruction at all; the motor’s internal gearbox is wearing and the arm is fighting itself. It gets worse as the day heats up, because the gear grease thins.
- A grinding or clicking noise from the arm housing. The Linear PRO arm uses a screw-driven linear actuator. When the gears inside lose teeth or the screw shaft develops play, you hear it. The sound is most obvious at the mid-point of travel, where load is highest.
- The gate opens slower than it used to. Not a subtle slowness; homeowners notice it takes twice as long to swing, or pauses at the same spot every cycle. This is usually the motor’s run capacitor degrading, which is a smaller repair, but on a ten-plus-year-old Linear, it often precedes full motor failure within six to twelve months.
- You have to hit the remote three times to get it to move. This is often confused for a remote problem. The control board is getting the signal, but the motor’s starting winding is weak enough that the first two pulses can not overcome the gate’s resting inertia. The third pulse gets it going. That start winding is inside the motor, not replaceable separately.
- Burnt smell from the operator box after heavy use. On Linear slide operators, the motor windings overheat when the gate is binding on its track. In Gardena’s summer heat, the motor’s insulation rating gets pushed. If the gate is out of alignment, the motor burns itself up compensating. This is why we always check track and hinge alignment as part of any motor replacement; a new motor on a misaligned gate is just a future repeat call.
Replacement Cost & What’s Included
In Gardena, a Linear swing arm motor replacement for a single gate usually falls between $620 and $950 installed. A dual arm kit, common on wider or heavier gates, runs $1,100 to $1,450. Slide operator motor replacement on a chain-drive Linear is typically $480 to $800, though if the chain and sprockets show wear, we recommend replacing them at the same time, which adds roughly $150 to $250.
Every quote includes the motor or compatible equivalent, removal of the old arm, mounting and alignment of the new one, limit switch adjustment, force setting, and a full test cycle. The price is settled before we touch a bolt, and it does not change unless we find something broken you did not know about and you approve the additional work in writing. Nothing gets added to the bill while you are not looking. The work is covered by our 90-Day Done Right Promise, and we also pass along the manufacturer’s warranty on the motor itself, which varies between one and five years depending on the model.
DIY or Call Us?
You can safely check a few things: confirm the breaker is on, check for obvious obstruction on the track, and see if the manual release lets the gate swing freely (that tells you whether the gate itself is binding). Do not open the motor housing. Linear PRO arms run on 115-volt or 230-volt power, and the capacitor inside holds a charge even with the power off. The arm itself is under mechanical tension, and if it releases suddenly with a hand in the wrong place, the injury is serious. Beyond basic observation, this is a job for someone who replaces Linear motors every week, not once a decade. A new Linear motor is only as good as its limit settings and force adjustment, and those are set with a multimeter and years of pattern recognition. If the gate is down, we can get there the same day. Call (916) 398-2696.
FAQs
A Linear swing arm motor in Gardena’s climate typically lasts 11 to 15 years, though salt air closer to the coast and direct afternoon sun on a black operator housing can shorten that to 8 to 10. The two biggest killers are heat and misalignment, and in Gardena we get plenty of both. The motors with the longest lives are the ones on gates that hang square and get lubricated once a year.
Sometimes. If the issue is a run capacitor, limit switch, or a control board relay, we can often repair it in one visit at a lower cost. If the arm actuator has stripped internal gears, which is common on Linear PRO arms after roughly 10,000 cycles, the motor cannot be economically rebuilt; it gets replaced. We will tell you which one yours needs before any money is spent. Call (916) 398-2696 and we will have a technician give you an honest read.
Most single-arm Linear replacements take 90 minutes to 2 hours on site, including removal, mounting, limit setting, and testing. Dual arm kits and slide operators can take 3 to 4 hours. If we have the part on the truck, it is done in one visit.
We carry Linear PRO-series swing arm motors, common slide operator motors, and a selection of aftermarket equivalents for discontinued models on our service trucks. We also keep parts for LiftMaster, Mighty Mule, and Ghost Controls. For unusual Linear slide operator models, we may need to order the part, and we will tell you that up front with a firm arrival date before you agree to anything.
Ironworks Gate Co. is an independent gate service company. We are not affiliated with Linear, and we do not represent ourselves as an authorized Linear dealer. We are a Gardena company that fixes Linear gates because that is what Gardena homeowners have on their driveways. A gate should open when you need it to. That is the whole job. When yours will not, call us at (916) 398-2696. A live person answers, day or night, and we will tell you what we can do and what it costs before we even schedule the truck.
Written by Victor Salinas, Owner, Ironworks Gate Co. at Ironworks Gate Co., serving Gardena and nearby areas.
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