# Slide Out Mechanism Repair for Eastvale, California > Diagnosis and repair of Schwintek, rack-and-pinion, hydraulic and cable slide systems including motors, gears and controllers. Source: https://ocrv.info/services/roof-slide-and-awning/slide-out-mechanism-repair Slide out mechanism repair diagnoses and fixes the drive systems that extend and retract slide rooms. It covers Schwintek in-wall motors and controllers, Lippert rack-and-pinion through-frame gear systems, hydraulic cylinders and pumps, and cable-driven assemblies, along with the rollers, ramps and stops those systems depend on. ## Pricing Range $500 to $8,500+. Labor band 3 to 35 hours. Performed in shop at 23281 La Palma Ave, Yorba Linda, CA 92887. A slide room is a several hundred pound box that has to travel three feet, stop in exactly the right place, and seal against weather at both ends of that travel. Four different drive architectures are common and they fail in completely different ways, so the first job in any slide complaint is identifying which system you have. Owners are often surprised to learn their coach uses two different types on different rooms. Schwintek systems drive from vertical tracks inside the side walls of the opening using two synchronized motors. They are compact and light, which is why they appear on smaller rooms and on many trailers. Their characteristic failure is loss of synchronization between the two sides, which racks the room and jams it. Lippert rack-and-pinion systems drive from underneath through the floor on a toothed rail and fail at gear engagement and at the motor. Hydraulic systems use cylinders fed by a pump, common on large rooms in diesel pushers, and they fail at seals, at the pump, at solenoid valves and at fluid level. Cable systems pull the room in and out with a synchronized cable loop and fail at cable tension and at the pulleys. All four come into the Yorba Linda shop from Eastvale and the surrounding corridor, and all four are diagnosed with the coach level and the room cycled under observation. ## What brings this in - Room stopping partway through travel - One end extending farther than the other - Grinding, clicking or ratcheting during operation - Motor running with no room movement - Room drifting in or out on its own - Visible fluid on the ground under a hydraulic slide - Breaker or fuse tripping when the switch is pressed ## Why does a slide stop partway or go crooked? On a Schwintek room the answer is almost always synchronization. The two motors each drive their own side, and a controller keeps them matched. If one side meets more resistance, from a dry track, a damaged tooth or a seal dragging, that side falls behind and the room racks in its opening. The controller detects the mismatch and stops, which is protective behavior rather than a fault in itself. The controller is protecting a room worth far more than a motor. The correct response is diagnosis, not repeated attempts to force it. Cycling a racked room again drives the misalignment further and can strip the gear track or bend the room frame. We level the coach, check both tracks for debris and damage, verify motor function and current draw on each side, inspect the seals for drag, and then run the controller through its synchronization procedure with the room observed through its full travel. - Coach leveled before any diagnosis begins - Both drive tracks inspected for debris and tooth damage - Motor current draw measured on each side - Seal drag checked as a resistance source - Controller resynchronized and full travel observed ## What fails on rack-and-pinion and hydraulic systems? Rack-and-pinion rooms drive on a toothed rail with a gear on a cross shaft under the floor. The frequent failures are a motor that has lost torque, a gearbox with worn internals, a rail that has shifted out of alignment so the gear rides on tooth edges, and worn rollers or ramps that let the room sag and change the gear mesh. A room that shudders or clunks partway through travel is usually telling you about mesh, not about the motor. Hydraulic rooms are simpler to diagnose and messier to fix. Low fluid, a leaking cylinder rod seal, a solenoid valve that will not shift, or a pump that runs without building pressure cover the majority of cases. A room that extends but slowly retracts is usually a bypassing cylinder. A room that drifts in on its own overnight points at a valve. Fluid level and condition get checked first because a surprising number of complaints resolve there. ## Can the room be brought in manually if the system fails? Almost always, and knowing how is worth learning before you need it. Schwintek motors can be released and the room walked in, though it takes real effort and two people. Rack-and-pinion systems have a drive shaft that accepts a drill or a crank. Hydraulic systems have a manual override valve that lets the room be pushed in once pressure is released. Cable systems have a release on the drive assembly. What matters is doing it evenly. Forcing one end of the room ahead of the other is how a recoverable problem becomes a bent frame or a torn seal. If a room is stuck extended and you need to travel, get it in as squarely as possible, secure it, and bring the coach in rather than driving with a room that is not properly seated. We can often talk an owner through the manual retraction before they head over. - Schwintek motors released and the room walked in by hand - Rack-and-pinion driven manually through the shaft - Hydraulic override valve releases pressure for manual push - Room moved evenly to avoid racking the frame - Room secured for transport before driving to the shop ## What preventive work keeps a slide healthy? Keep the tracks and the roof of the room clean. The single most common cause of slide damage is grit and debris carried into the mechanism when the room retracts. A slide topper that has failed lets leaves and pine needles collect on the room roof, and every retraction rakes that material into the seals and the drive. Clearing the room roof before retracting takes thirty seconds and prevents a great deal. Lubrication follows the manufacturer specification rather than intuition. Schwintek tracks want a dry lubricant, because grease attracts the exact grit that causes the problem. Rack-and-pinion gears want a light application at the rail. Hydraulic systems want fluid at the correct level and periodic inspection of the rod seals. Wrong lubricant on a Schwintek track is one of the most common owner-inflicted problems we see. We will tell you which product belongs on your specific system. ## Sequence of operations ### 01. Level, identify and observe The coach is leveled on the shop floor and the drive system is positively identified rather than assumed from the model. The room is then cycled under observation through its full travel while a technician watches both ends, listens for the failure point, and notes where in the stroke the problem appears. ### 02. Electrical and mechanical testing Supply voltage at the motor is measured under load, current draw is compared side to side, and the controller is interrogated for fault codes where supported. Mechanically, tracks, gears, rollers, ramps and cables are inspected for wear, damage and alignment, and seal drag is evaluated as a resistance source. ### 03. Repair and alignment Failed motors, gearboxes, controllers, cylinders, valves or cables are replaced with correct parts. Rails and tracks are realigned, rollers and ramps are renewed, and the room is set so it travels square and lands at the correct depth at both ends of its stroke. ### 04. Synchronize, cycle and verify The controller is resynchronized where the system requires it, and the room is cycled repeatedly under observation to confirm consistent travel. Seal compression is checked at both positions, the room is water tested extended, and the manual override procedure is verified to work. ## Frequently asked questions ### My slide stopped halfway and now the switch does nothing. What should I do? Stop pressing the switch. Repeated attempts against a jam damage gears, motors and the room frame, and those are much larger repairs than whatever stopped it. Check that the coach is level and that the battery has good voltage, since low voltage is a common cause. Then bring it in. If you need the room retracted to travel, we can usually talk you through the manual override. ### Why does my Schwintek slide keep going out of sync? Something is adding resistance to one side. Common sources are debris in the vertical track, a damaged tooth on one rail, a seal that has swollen and is dragging, or a room that has sagged so the tracks are no longer parallel. Resyncing the controller without finding the resistance just resets the fault until the next cycle. We look for the cause first. ### Is a hydraulic slide better than an electric one? For large heavy rooms, hydraulics have real advantages in power and smoothness. They also have fluid, seals and a pump that electric systems do not. Electric systems are lighter, simpler and cheaper to repair when they fail. Neither is universally better. What matters more is whether the system was correctly sized for the room, and some coaches were built right at the limit. ### How much does slide mechanism repair cost? It ranges widely because a controller reset and a track cleaning are a different job than replacing a hydraulic cylinder or a pair of motors and a gear rail. Our posted band for this service is on the prices page. The RV systems estimate fee covers the diagnostic work and is credited against an authorized repair, so the diagnosis is not money spent twice. ### Can you work on my slide with the room extended? Yes, and much of the diagnosis requires it. The shop floor accommodates coaches up to forty five feet with rooms out, which is one of the reasons this work happens here rather than at a storage lot. Being able to observe the full stroke, check seal compression at both positions and water test the room extended is the difference between fixing it and guessing. --- OCRV Center. 23281 La Palma Ave, Yorba Linda, CA 92887. (949) 799-3387. info@ocrvcenter.com. Serving Eastvale, California in Riverside County, about 20 miles from the shop. All work is performed in shop at the Yorba Linda facility. No mobile, roadside or on-site service is offered. Scope is body, paint, structural, fiberglass, interior and vehicle systems work. Engine rebuilds, transmission rebuilds, drivetrain work, DOT inspections and emission testing are not performed.