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Old 02-04-2018, 09:53 AM   #1
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Lippert 6 Pt Levelup loss of fluid

My 2017 378FB 5er with the 6 pt level up system, seems to have lost hyd fluid from system. Used the unit since May 2016 with no problems. After 30 days of being parked, I Notice the front had lowered while parked in yard. When I went to raise it I found the fluid level to be low. There does not seem to be any leaks anywhere that I can find.

We travel April to Oct and frequently change campsites so the system is operated frequently during the summer.

My assumption is this is a closed system and should not have any loss of fluid. I will refill the system and keep a closer eye on the tank level. My question is "Has anyone else noticed a need to add fluid during the season when operating the unit?" and secondly "If there is a leak why isn't it visible during routine inspection."

Appreciate any thoughts or ideas. Thanks
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Old 02-04-2018, 10:43 AM   #2
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You may want to check around each cylinder leg wipe with a rag and see if you aren't loosing a little there not enough to notice by just looking.
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Old 02-04-2018, 10:50 AM   #3
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All six cylinders should be in tow position before adding fluid.
My tank looks low when a six are down but at normal level when in the up position.
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Old 02-04-2018, 10:56 AM   #4
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With 4 of 6 up and the 2 front mostly up my tank level was ~2 inches from empty.
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Old 02-04-2018, 11:06 AM   #5
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If you are really losing hydraulic fluid, you have a leak somewhere. Are your slides hydraulic also? Is the bottom of your RV sealed and possibly holding fluid? Bring everything hydraulic in/up and mark your reservoir so you can check in the future. Good luck!
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Old 02-04-2018, 01:29 PM   #6
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We had to drop the belly cover to find our leak which didn't show up for over a year. It was a loose connection at a "T" fitting between the rear legs and slides---again something else from the factory that we ended up paying to fix.
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Old 02-04-2018, 01:39 PM   #7
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Quote:
Originally Posted by sailtrkr View Post
We had to drop the belly cover to find our leak which didn't show up for over a year. It was a loose connection at a "T" fitting between the rear legs and slides---again something else from the factory that we ended up paying to fix.
How do you know it was leaking from the factory? Sounds like regular maintenance to me. Every year I go through the rig and tighten everything. Amazing what works loose over time.
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Old 02-04-2018, 01:40 PM   #8
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Someone here had a leak under the bed where connections are for that slide. Another spot to check.
Carpet there could hold quite a bit of fluid unnoticed. I hope yours is somewhere else.
Travel safe
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Old 02-04-2018, 02:17 PM   #9
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Had the same issue last year with new Sierra. Found leak in rear. Small leak but enough to warrant trip back to RV dealer. They replaced hydraulic piston that was leaking. No problems since but keeping an eye on fluids.
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Old 02-04-2018, 04:09 PM   #10
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We are watching ours closer now. Pull a few screws to check with flashlight. RV shop mechanic said ours had probably been leaking since built due to the amount of fluid on the cover. It was a slow leak.
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