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Old 09-21-2015, 05:13 PM   #1
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Mountain Aire Leveling Jacks

I have a 2001 Newmar Mountain Aire, when I lift my leveling jacks the one on the passenger side in the rear never comes up all of the way so I get something to pry it up and all is well. I don't know if I am low on fluid because I don't where to check it or if something else is wrong, any suggestions ?
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Old 09-21-2015, 05:56 PM   #2
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Do you clean the jacks when down?
As part of regular maintenance when jacks are extended spray down with WD40 and wipe them clean.
If they are clean and not bent or have damaged surfaces they should retract, they are slow.

The other item is the springs may be the lower force springs. I believe the springs with the tapered ends are the higher force.

If I do not do the regular maintenance mine will stick and or retract extra slow.


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Old 09-21-2015, 05:58 PM   #3
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Hi HDBiker Dave,
Low fluid has nothing to do with retracting the jacks. The jacks retract based on the fluid going back into the reservoir and the springs being able to pull the piston back into the cylinder. My assumption is the original jacks are on the coach and have never been replaced. Consider:
1. Clean the piston when the jack is extended. Wipe the piston after cleaning. WD-40 is usually used to clean and lubricate the piston.
Did the jack retract successfully?
If yes, you may be able to extend the life of the jack with frequent cleaning.
If no,
2. Look at the jack springs. There is a hook on each end and then there is the coil spring. Look at the last 5 loops of the coil before it becomes a hook. Is the coil strait, with the same diameter all the way to the beginning of the hook? Or is there a taper in the coiled part to where the hook begins?
If straight is the answer, the springs need to be replaced.
If taper is the answer, consider replacing the jack. After some time the inner lower seal has a tendency to deteriorate and collapse onto the piston. No set of springs has enough power to pull the piston to its' retracted position.
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Old 09-21-2015, 06:12 PM   #4
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Gary and the others have the right idea, WD 40 and a rag then check the springs. I just replaced all of mine with the new style and all is good now amazing how much faster they retract.
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Old 09-21-2015, 06:17 PM   #5
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Question. Do you have to buy a matching set of four when you replace or simply match what you already have with a one piece purchase?
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Old 09-22-2015, 03:28 PM   #6
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Hi unw1red,
Hopefully, your question is a curiosity question. Your coach should not have any jack problems for several years. Springs should be purchased in pairs. One wants the base plate to stay as flat as possible. Both springs will need to be pulling with the same tension for this to happen.
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Old 09-22-2015, 03:35 PM   #7
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Just curiosity. Thanks.
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Old 09-22-2015, 11:05 PM   #8
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I had similar problem with a Kountry Star, wd40 etc helped, new springs from HWH fixed it.
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Old 09-23-2015, 02:46 PM   #9
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I have a similar problem, on my 2003 gas Mountainaire, only mine is the passenger side front jack that won't retract. I called HWH and after a couple of weeks they called back. Their suggestion was lots of WD-40 and if that did not work try loosening the nut at the hose connection and see if the jack would retreat on its own. If it doesn't it is a problem internal to the jack and would need to be sent back to the factory for repairs. I'm not sure what the issue would be if it did retract. I looked at it and one would have to be a magician to reach the connection unless the tire was removed. So I think it is time for a trip to the repair shop. I would like to get it done before we head south this winter. BTW: I have already changed the springs on that jack.


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Old 09-24-2015, 04:10 AM   #10
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Quote:
Originally Posted by 2003Mountain View Post
I have a similar problem, on my 2003 gas Mountainaire, only mine is the passenger side front jack that won't retract. I called HWH and after a couple of weeks they called back. Their suggestion was lots of WD-40 and if that did not work try loosening the nut at the hose connection and see if the jack would retreat on its own. If it doesn't it is a problem internal to the jack and would need to be sent back to the factory for repairs. I'm not sure what the issue would be if it did retract. I looked at it and one would have to be a magician to reach the connection unless the tire was removed. So I think it is time for a trip to the repair shop. I would like to get it done before we head south this winter. BTW: I have already changed the springs on that jack.


TOM
Are you sure they said the nut on the hose connection??? I wouldn't want to be under the coach and try anything like that. You should be able to loosen the nut on the end of the solenoid and then manually pry the jack back up. That's a MUCH safer way of doing it. If you look at your manual it will show which solenoid controls which jack. Your control unit should be located under the front hood right at the front of the motor home. The nut on the end of the solenoid takes a 1/4" socket. Good Luck and hope you get the issue resolved.
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Old 09-26-2015, 08:49 AM   #11
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I have one doing the same thing. There is a gentleman on here called AZPete. Look him up and send him a PM. He is a HWH Rep and will help you. The 1st thing he will tell you is to acquire the HWH Trouble Shooting guide for your model, and run through the scenario that pertains to your issue. The guides are very intuitive and written in layman's words.
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Old 09-28-2015, 09:04 AM   #12
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Had a similar issue when we started this trip... Driver side front jack, I had to "assist it" up with a 2 X 4. Scrubbed the extended pistons with WD-40 and then wiped clean/dry... No more issues!
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