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Old 08-07-2019, 08:28 PM   #1
Junior Member
Brand: DRV
State: Texas
Posts: 1
THOR #16275
Hydraulic Jack Help

2012 DRV 5th Wheel
Leveling jacks are lowering while driving.
No apparent leaks.
Jacks remain extended when lowered, but slowly lower when retracted.
The rear 4 stabilizing jacks are not leaking down. FYI, two of the slides use hydraulics to operate.
Trying to identify components and find a solution.

Thank you,


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Old 08-08-2019, 12:05 AM   #2
cloud william's Avatar
Brand: DRV
Model: MS 38RSSA
State: Washington
Posts: 37
THOR #3145
Our 2016 coach (delivered in June 2015) started doing the same thing a year ago. Some folks on this forum suggested we take it to Roberts Quality RV in southern Indiana, which we did last August since we were planning to be in the area anyway. The repairs cost about $1500 but we have had no more slow lowering of the front jacks. There have been many posts about this issue on this forum, some folks have been able to get Lippert to replace their front jacks or at least pay for some of the repair.

2016 MS 38RSSA
2015 RAM 3500 Limited DRW Cummins 6.7L Aisen 4.10 Axle
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Old 08-08-2019, 04:56 AM   #3
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wingnut60's Avatar
Brand: DRV
State: Texas
Posts: 677
THOR #3109
First, kudos for having such a clean hydraulic area after 7 years. Some owners have said that holding the retract key down after the jack comes up seems to help with the leakdown, not sure it is a solution. Roberts as mentioned above is a permanent solution, has been done in one day for some. My '15 had the problem, and Lippert replaced the jacks when I went to the plant. It is a bothersome problem for sure.
2016 Tiffin 40QBH
2015 38RSSA--traded
2005 36TK3--retired, but it was a good one
2017 F450 KR
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Old 08-08-2019, 03:18 PM   #4
Senior Member
Brand: DRV
Model: 39TKSB3 "Modified"
State: South Dakota
Posts: 1,559
THOR #1661
Welcome aboard Zazoos!

You will get plenty of info as i told you over on rv.net.

I will be having my Machinist friend rebuild mine this Summer in NW WA State. He rebuilds hydraulic rams all the time. He has his own machine/fabrication shop.
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Old 08-12-2019, 05:32 PM   #5
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DonandPatti's Avatar
Brand: DRV
Model: 38RSSA
State: Maryland
Posts: 170
THOR #4040

You may want to check the hydraulic hoses. I had one hose (orange) that collapsed on the inside. Everything looked fine, no leaks, but the hose had collapsed on the inside.

Good luck with your 5'ver.

2016 38RSSA
FB Paint, induction cooktop, 3" Riser, solar, 4 batteries, Cheap Heat, MorRyde Steps
2017 F450 Lariat, CC, LB, 6.7, Chrome Pkg. Retrax, TS3 Hitch, 55g aux.tank, 200 psi air system

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Old 08-13-2019, 02:50 AM   #6
Junior Member
Brand: Thor Motor Coach
Model: Tuscany 40DX
State: Ontario
Posts: 3
THOR #15423
that plastic nut retains the electric coil to the spool no effect unless energized

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