# Awning Arm and Mechanism Repair: Cost, Hours and Process in Hacienda Heights Awning arm and mechanism repair addresses the hardware that carries and moves a patio awning: lateral arms, spring loaded roller assemblies, torsion assemblies, gas struts, pivots and wall brackets. Nearly every arm failure comes from one of two events, and both leave evidence that tells us how far the damage went. ## Specifications - Price band: $500 to $3,500 - Shop hours: 3 to 14 hours - Turnaround tier: Systems and electrical - Insurance billable: yes - Parts lead time: 7 to 20 business days for arm assemblies and castings, 15 to 30 business days for discontinued assemblies where a full unit is the only path - OEM brands: Carefree of Colorado, Dometic, Solera, Lippert, Girard ## Lateral arm, spring roller and torsion assemblies Three mechanism families cover almost every patio awning on the road, and the repair paths barely overlap. The spring loaded roller assembly is the older manual design: a torsion spring inside the roller tube provides the take up, vertical arms carry the tube, and the awning is extended by hand with a pull strap and locked at the arms. The lateral arm assembly is what most powered awnings and many recent manual ones use. Two articulated arms fold against the sidewall and scissor outward, carrying the roller tube out with them and tensioning the fabric as they go. There is no vertical leg to the ground, which is why the arm extrusions and their pivot castings carry all the load. Torsion assemblies sit at the arm roots and provide the outward spring force, sometimes assisted by gas struts. When a torsion assembly weakens, the awning has to be pushed out and it never quite tensions, which is a different complaint from a bent arm even though the visible result looks similar. - Spring loaded roller assembly, manual, vertical arms to the ground or to a rail - Lateral arm assembly, manual or powered, no ground contact - Torsion assembly at the arm root, providing the outward force - Gas struts assisting arm deployment on some powered assemblies - Wall brackets and castings, the load path into the sidewall ## Two events break arms, and both leave a trail The first is wind. An extended awning is a sail with a long lever arm into two aluminum extrusions, and a gust does not have to be dramatic to yield one. The tell is asymmetry: the windward arm bows, the fabric loads unevenly, and afterwards the awning extends further on one side than the other. Very often the owner reports the awning working, just crooked. The second is driving away with the awning extended, which does far more damage than wind because the load is applied fast and at an angle nothing in the assembly was designed for. Here the damage rarely stops at the arm. The wall brackets take a shock load, and the question that decides the real cost is whether the bracket fasteners pulled and how far into the sidewall the damage went. This is where the boundary between programs matters. If the bracket loosened but the wall is sound, this page covers it: new fasteners, new backing, correct sealant, arm replacement. If the bracket tore through the sidewall, that hole is body or fiberglass work depending on the wall construction, and it is scoped there. We look at that first, because bolting a new arm onto a compromised wall builds in the next failure. Straightening is the other honest conversation. An aluminum arm extrusion that has yielded has lost section properties permanently, and bending it back produces a part that looks right and fails at a lower load than the original. We replace yielded arms rather than straightening them, and we will say so even when a straighten is what somebody was hoping to hear. ## The wall bracket nobody inspects until it fails Every load an awning ever sees ends up in a handful of fasteners through the sidewall. On a lateral arm awning there is no ground leg to share it, so those brackets carry the whole cantilever plus every gust and every road input with the awning stowed. The early tell is cosmetic and easy to miss: rust staining below a bracket, a faint halo in the sealant, or a bracket that shifts a hair when the arm is loaded by hand. Any of those means the fasteners are working in their holes, which enlarges the holes, which increases the working. It is another closing loop. Correcting it properly means removing the bracket, reading the wall behind it, installing appropriate backing rather than longer screws into the same tired substrate, and resealing to the wall construction. That is modest work when it is caught at the stain stage and a sidewall repair when it is not, which is why we inspect brackets on every awning job even when the complaint is purely fabric. ## Cost, hours and when the arm is not the problem The band on this page covers a pivot rebuild and bracket correction at the low end and a pair of lateral arms with new castings and backing at the high end. Labor is three to fourteen hours at the mechanical and electrical rate of $260 per hour, and lead time is the swing factor: arm assemblies commonly run 7 to 20 business days, and for a discontinued assembly a full unit is sometimes the only available path. Two cases regularly present as an arm problem and are not. A powered awning that stops partway or extends unevenly is often a limit cam or motor issue rather than a mechanical one, which is the motor and sensor leaf rather than this one. And an awning that will not tension is sometimes a fabric cut for the wrong projection from a previous replacement, not a weak torsion assembly. On the carrier side, wind and drive away damage are frequently covered events, and both are worth photographing before anything is touched. We write the file with the arm damage, the bracket condition and the sidewall reading so an adjuster can see where one scope ends and the next begins. ## Not included - We do not straighten a lateral arm that has yielded. A yielded extrusion has lost section properties and it is replaced. - Sidewall repair where a bracket has torn through the wall is body or fiberglass work, quoted separately. - Fabrication of arm parts for discontinued assemblies is not offered. Where parts are gone, a full assembly is the path. ## Questions **Can a bent awning arm be straightened rather than replaced?** We replace them. An aluminum extrusion that has yielded has permanently lost its section properties, so a straightened arm looks correct and buckles at a lower load than the original. It is also usually bent in more than one plane, which is why straightened arms come back crooked. Replacement is the durable answer and on most assemblies the part is available. **I drove off with the awning out. What is likely damaged?** More than the arm, usually. The load arrives fast and at an angle nothing in the assembly is designed for, so the arms yield, the roller tube often bows, the fabric tears, and the wall brackets take a shock load. The question that sets the cost is whether the brackets pulled and how far into the sidewall it went, which is why we read the wall before quoting hardware. **My awning extends further on one side. Is that the arm or the motor?** Test it manually if you can. If the assembly is mechanically uneven with power removed, it is an arm, a pivot or a torsion assembly. If it is square by hand and uneven under power, it is a limit or motor issue and it belongs on the awning motor and sensor page. Either way the roller tube not being parallel to the coach is what tears fabric, so it gets corrected first. **The wall bracket looks fine but there are rust stains below it. Does that matter?** Yes, and catching it there saves real money. Staining below a bracket means the fasteners are working in their holes, which enlarges the holes and accelerates the working. Corrected at that stage it is a bracket removal, proper backing and a reseal. Ignored, it becomes a bracket torn through the sidewall, which is a body or fiberglass repair on top of the awning work. --- Source: https://ocrv.club/rv-slide-out-repair/awning-arm-and-mechanism-repair OCRV Center, 23281 La Palma Ave, Yorba Linda, CA 92887 Phone (949) 799-3387. Email info@ocrvcenter.com. Serving Hacienda Heights and the surrounding area. 18.4 miles, 24 to 38 minutes via SR-60 west to Fullerton Rd, then south to La Palma Ave. In shop work only. All estimates are priced and credited against an authorized repair.