FAAC Hinge & Roller Replacement Nationwide

FAAC Hinge & Roller Replacement: The San Antonio Owner’s Guide

We stock FAAC-compatible hinge and roller replacement parts on our trucks and install them across San Antonio, typically for $145 to $295 per hinge assembly depending on your gate’s weight class and which FAAC series you own. Most single-gate jobs are done same day when you call before noon, and we quote the full price in writing before any work starts. Owners usually find us after the gate has started grinding, sagging toward the latch post, or binding halfway through its swing. The sound is the giveaway: a worn FAAC roller doesn’t squeak like a garage door, it groans, and the gate leans visibly when it reaches the open position.

Call (361) 314-4803

Which FAAC Models This Applies To

FAAC builds swing gate operators and hinge systems for a few distinct lines you’ll see around San Antonio neighborhoods like Terrell Hills, Alamo Heights, and Stone Oak. The S418 and S450 hydraulic swing operators pair with a top hinge and lower roller assembly that takes most of the gate’s weight. The 390 and 770 underground and ram-style operators use a different hinge geometry entirely, and here’s the compatibility gotcha: a hinge that fits an S418 will not bolt onto an S450 without a different mounting plate, even though the hinges look nearly identical side by side. The aftermarket pieces that claim to cover both usually ship with a slotted plate that shifts under load. We match the hinge by the four-digit casting number stamped on the backside of the original, or by measuring the gate leaf weight and the distance between the upper and lower mounting points. For FAAC specifically, OEM hinges and rollers are worth the extra $40 to $80 over generic equivalents. The factory nylon rollers are glass-filled and hold up to San Antonio heat without flattening, while the cheap ones soften in August and develop flat spots that make the gate thump on every cycle.

Signs Your FAAC Hinge & Roller Replacement Is Failing

• Gate sags toward the latch post. The lower roller is flattened or the hinge pin has wallowed out its bore. You’ll see the gate finish its swing low and scrape the post or the ground. This gets worse fast once the gap opens up because the remaining roller carries double the load.
• Groaning or grinding during the last third of travel. The roller isn’t rolling anymore; it’s sliding on a flat spot. The sound is deeper than a squeak and you’ll feel it through the fence if you rest a hand on a picket.
• Gate jerks or hesitates mid-swing. A seized hinge loads up until the operator overcomes the friction, then releases. That jerking puts shock load through the operator arm and shortens the life of expensive parts upstream.
• Visible rust bleeding from the hinge area. On ornamental iron gates around the Pearl District and King William, we see this constantly. The powder coat fails first at the hinge welds, then the pin corrodes, then the gate starts leaning within a single summer.
• Operator runs but gate barely moves or stalls. The motor is working harder against a dead hinge. Homeowners sometimes replace an operator first, only to have the new one burn out the same way because the hinge was the root cause all along.

Replacement Cost & What’s Included

In San Antonio, a FAAC hinge and roller replacement runs $145 to $295 per hinge assembly installed, including the part, labor, and disposal of the old hardware. Where you land in that range depends on three things: the weight of your gate leaf, whether you need the top hinge only or the top hinge plus lower roller, and whether we’re doing one hinge or both. Two hinges with two rollers on a heavy ornamental gate usually runs $390 to $520 complete. We write every quote down before touching a bolt. That price includes realigning the gate so it latches square, greasing the new assembly, and cycling the operator a few times to confirm the load is balanced. If the gate is out of rack and we have to pull the leaf to re-hang it, we’ll tell you before we quote, not after.

DIY or Call Us?

You can safely do the diagnosis yourself: open the gate by hand with the operator disengaged and watch where it binds. If the leaf leans and scrapes, you’ve found the hinge problem. The repair itself is where DIY goes sideways. A swing gate leaf weighs three hundred to eight hundred pounds, and when the last hinge pin comes out, that weight wants to fall. We use a chain hoist and a brace bar to support the leaf while we swap the hinge, and we do it with the operator powered down and locked out. The hinge pin itself is under shear load every day and the mounts are load-bearing structural points. If a weld cracks and the gate comes down on a person, it’s a serious injury, not a pinched finger. Call (361) 314-4803 and we’ll come measure, match the hinge, and hand you a written quote before the first tool is out of the truck.

FAQs