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Old 09-28-2015, 01:14 PM   #1
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Leveling jack creep

Here's a Monday morning head scratcher. Lately I've noticed that my rear drivers side leveling jack has slowly been retracting. About every two to three days I notice that the jack is about 4" off the surface.
Has anybody else experienced this? Any idea what causes this. The other three jacks are acting fine.


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Old 09-28-2015, 01:35 PM   #2
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it is the valve on the pup for that jack. $80 part. Mine did that on passenger side. had it fixed at the factory. Swap valves with another jack and see if the problem moves. It is easy. Remove electric cellinoide and use wrench to unscrew valve. almost no fluid was lost when done with jacks up.
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Old 09-28-2015, 01:58 PM   #3
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Silver, I don't understand "pup"? Do you mean the main pump? And, how does one know which valve it is?
Thanks


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Old 09-28-2015, 02:32 PM   #4
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Checkout this thread.
Marvel Mystery Oil
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Old 09-28-2015, 02:50 PM   #5
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Paul - The hydraulic channels are color coded. Check out the manuals at ...
Technical Support Center and Videos
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Old 09-28-2015, 03:42 PM   #6
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Good info
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Old 09-28-2015, 08:21 PM   #7
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Ok, so I've read everything, found the color coded valves but the lingering question is what are the diagnostic tests to determine the fix?


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Old 09-28-2015, 09:59 PM   #8
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Put the jack down and see if it creeps. If put under load will know within an hour or so. ie jack down.

and pup is pump typed to quickly
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Old 09-29-2015, 08:25 AM   #9
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Paul - When I had a problem with my sofa slide, I got guidance from Rand at Lippert. He is very good. The solenoid valve may not be the problem, but it is the least expensive item. Randy had me swap valves between a known good channel and the suspect one. A little fluid came out, so be prepared to place something like aluminum foil to guide to funnel the fluid. This was not my problem, but was the hydraulic ram. Besides the solenoid valve, your problem may very well be the jack itself. Give randy a call. - Hank
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Old 09-30-2015, 10:27 PM   #10
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Thought the Berkshires used Equalizer hydraulics.
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