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Old 09-28-2015, 08:51 PM   #1
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Marvel Mystery Oil for Hydraulics

Anyone other than Boowho used Marvel Mystery Oil in their hydraulic system to get rid of the popping/clicking the leveling jacks make over time?
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Old 09-28-2015, 09:52 PM   #2
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I asked Jamie from equalizer about that while at Goshen. He said that it would not hurt anything if that helps.
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Old 09-28-2015, 10:06 PM   #3
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I put it in mine but have used the Berk since.
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2011 Berkshire 390-rb-40, upgraded tires and front axle airbags, 2012 Jeep Wrangler 2 door, Blue Ox baseplate and BlueOx aladdin tow bar, Blue Ox Patriot brake system, wiring run through right frame rail and homemade led taillight bar.FB.
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Old 09-28-2015, 10:24 PM   #4
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They added it to mine at the rally and it has mad no difference. I get the annoying pop all the time. It doesn't seem to make the MH unlevel but is annoying. I realized I don't notice it when parked on grass. I plan to make some wood pads to put order the jack pads and will put a rubber mat on them. I believe this will be the end of the popping.
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Old 09-29-2015, 12:15 AM   #5
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Thanks to all for the replies. I added the $30/qt CAT additive and mine is still popping. I also think it is related to parking on soft surfaces. I carry a set of wooden pads to place under the landing gear and it seems to help.
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Old 09-29-2015, 08:39 AM   #6
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Besides jack popping, there is the jack punch-through problem which many have had and is where the piston punches through the leveling pad.

I am wondering if the popping and punch-through are not related. I noticed that when I use wooden pads, there is a bolt-nut impression on the wood. I generally do not get the popping with the wood pads, but if my jack pads are on gravel or dirt, I get popping. Wondering if the bottom of the jack piston isn't nibbling at the pad.

One thing that I am convinced of is to always keep the jack pads parallel with the frame and not the ground. I feel that pads that are angled my be more prone to punch-through. - Hank
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Old 09-29-2015, 08:59 AM   #7
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That sounds plausible.

My theory is that when parked on soft surfaces the weight of the coach over time pushes one or more jacks further into the surface. This unloads one or more of the other jacks and when weight shifts in the motorhome the rod on those unloaded jacks is moving creating the popping noises.

If I manually lower a pair of jacks or auto relevel the popping stops for a period of time or completely in some instances.
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Old 09-29-2015, 02:24 PM   #8
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My Grandfather used it on everything. Hell he liked so much he may have even drank the stuff.


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Old 09-29-2015, 02:59 PM   #9
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Waste of time. My opinion
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Old 10-03-2015, 01:39 PM   #10
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Quote:
Originally Posted by Harkerr View Post
Waste of time. My opinion
COMPLETELY eliminated our (boowho??) popping sounds.

Boowho??
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