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Old 02-06-2021, 01:31 PM   #1
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Bedroom Slideout

We have a 2017 Silverback 29RE after sitting for several weeks with slides in , no power connected or battery installed the bedroom slide starts to come out all on its own. Has anyone had the same problem? Thanks
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Old 02-06-2021, 09:34 PM   #2
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We have a 2017 Silverback 29RE after sitting for several weeks with slides in , no power connected or battery installed the bedroom slide starts to come out all on its own. Has anyone had the same problem? Thanks
We need to know what kind of slide mechanism you're talking about. That might give us a better idea.
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Old 02-07-2021, 10:23 AM   #3
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The slides are hydraulic operated
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Old 02-07-2021, 01:42 PM   #4
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We have a 2017 Silverback 29RE after sitting for several weeks with slides in , no power connected or battery installed the bedroom slide starts to come out all on its own. Has anyone had the same problem? Thanks
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The slides are hydraulic operated

Ok.....I think your hydraulic system is loosing pressure. When the hydraulic system is activated hydraulic hose at the bottom of the piston pressurizes & pushes the ram piston out opening the slide. A valve in the lines keeps the pressure against the piston to hold the slide out.
When bringing the slide in, the flow in the hydraulic lines is reversed bringing the slide in. Once the slide is in, the pressure in the line (because the valve closes) should keep the slide closed. If there is a bad or leak in the valve or a leak in a line or fitting, that will cause pressure loss which can allow a slide to be "free floating" because now there is nothing to lock it in place.

Start by looking for drips of red hydraulic fluid or seeping fittings. If it's a bad valve that's leaking internally, it will need to be replaced.

A temporary fix would be to cut a piece of 2X4 & wedge it between the wall and the bedroom slide inner flange to lock the slide closed.
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Old 03-07-2021, 03:44 PM   #5
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Bedroom slideout

JJCook - I know this doesn't directly address your issue, but we were camping last year and all three slides started going in at different times and amounts as I finished setting up outside. Was wondering if we had a short or what bad thing was happening. Then realized that the In-Command app on my phone was still running and I kept butt-dialing the app causing he slides to move. Stopped setting up - ran the slides back out and closed the app on the phone and no issues. Lessons learned.
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Old 03-10-2021, 12:05 AM   #6
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If you subscribe to about any of the RV websites, this a somewhat common issue with hydraulic slides no matter the brand. There aren't really any "directional valves" in the system ... the pump runs one way to extend and the opposite way to retract. A check valve in the pump, the solenoid valve directing fluid for the slides ... along with properly sealing seals and fittings hold pressure after you let off the slide switch. 90% of the time the issue is a failed piston seal on one of your hydraulic cylinders. The bedroom slide bring the lightest is the one that creeps first. Lippert is proud of their cylinders and doesn't make it easy to obtain a repair kit opting to sell you the entire cylinder. Like said previous ... check the easy things first. Leaking ftgs, leaking hyd lines, low hyd fluid in reservoir creating air in the system. On that note when checking fluid in reservoir, make sure all slides are in and level up cylinders are retracted. Fluid should be within 1" of top of reservoir. System is self bleeding of air ... simply cycle your slides all the way out and all the way in about 3-4 times. If you are mechanically inclined, here is Lippert's test procedure ... slide test is about 1/2 way thru. https://lci-support-doc.s3.amazonaws...cd_0001910.pdf

PS ... If it is a piston seal leak, the leak cannot be seen by just looking at the external part of the cylinder. The rod seal, you can.
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