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Old 01-24-2021, 07:56 PM   #1
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Hydraulic Leak

We take our RV out about once a month. When we go to storage to hook up, the front bedroom slide is open. We also experience the RV leaning after a few hours of being leveled.

No signs of fluid leak, reservoir is full to factory, all hose are tight. Not sure if maybe a Solinoid not closing all the way.

Found nothing on internet so thought maybe someone here has had the same issue. Maybe I need to send to a repair center but thought I'd reach out first.
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Old 01-24-2021, 09:48 PM   #2
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Although the slides and level up share the same pump and reservoir ... they are separate hyd circuits with separate 12 VDC solenoid valves to operate them. Also there are no directional valves in either circuit ... the pump motor rotates one way to extend and the opposite way to retract. Many times slide creep is due to one of the hyd cylinders piston seal leaking internally in a hyd cylinder. Level up drift may be as simple as a manual set screw override on a solenoid valve not seated all the way. It may be even simpler as air in the hydraulics which can be manually bled out by fully opening and closing the slides 3-4 times as well as fully cycling all landing gear 3-4 times. If you visit the Lippert help pages ... you can download the procedures to check cylinder internal leakage. Start at Page 6. https://manuals.heartlandowners.org/...ice-Manual.pdf
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Old 01-24-2021, 10:36 PM   #3
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Quote:
Originally Posted by dieselguy View Post
Although the slides and level up share the same pump and reservoir ... they are separate hyd circuits with separate 12 VDC solenoid valves to operate them. Also there are no directional valves in either circuit ... the pump motor rotates one way to extend and the opposite way to retract. Many times slide creep is due to one of the hyd cylinders piston seal leaking internally in a hyd cylinder. Level up drift may be as simple as a manual set screw override on a solenoid valve not seated all the way. It may be even simpler as air in the hydraulics which can be manually bled out by fully opening and closing the slides 3-4 times as well as fully cycling all landing gear 3-4 times. If you visit the Lippert help pages ... you can download the procedures to check cylinder internal leakage. Start at Page 6. https://manuals.heartlandowners.org/...ice-Manual.pdf
x2
Plus more, check this thread out - https://www.forestriverforums.com/fo...ut-217004.html
Check my post #5 for what happened to me.
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Old 01-25-2021, 04:20 PM   #4
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Thank you for the help.
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Originally Posted by LittleBill View Post
x2
Plus more, check this thread out - https://www.forestriverforums.com/fo...ut-217004.html
Check my post #5 for what happened to me.
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