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10-13-2014, 05:41 PM
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#1
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Montana Fan
Join Date: Apr 2007
Location: Box Elder
Posts: 428
M.O.C. #7142
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Hydralic Leveling System
We have a 2014 3402RL Montana and are wondering...anybody else out there also with one, that the hydraulics pop. Not just occasional but daily. More in the mornings and evenings, but it gets annoying. Has anybody found a solution.
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10-13-2014, 05:53 PM
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#2
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Montana Master
Join Date: Aug 2009
Location: Grand Rapids
Posts: 1,896
M.O.C. #9561
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we have a 3402 too, just hear some noises sometimes...not a big issue.
I'd call lippert and ask them about what is going on....I also assume it is still under warranty so get it into a dealer for documentation.
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10-13-2014, 05:53 PM
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#3
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Montana Master
Join Date: Oct 2012
Location: Box Elder
Posts: 4,702
M.O.C. #12947
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Had the same problem. Lippert came out with this solution for the popping caused by stiction in the hydraulic system. We used the CAT fluid, but the fork oils are the same thing. Below is the copy of the Lippert Lipsheet 0295:
ADDING ANTI-STICTION FLUID TO LCI HYDRAULIC SYSTEMS
Introduction:
If there is a popping noise in a Lippert Leveling system, Lippert has approved adding a quart of anti-stiction
fluid. Approved fluids are listed by brand name and fluid characteristics below:
1. Torco RFF Grade 15 (Fig. 1)
2. Maxima Fork Oil Grade 15 (Fig. 2)
3. Caterpillar Hydraulic Oil Additive 1U-9891 (Fig. 3)
For maximum results in the shortest amount of time, please follow the preparation and procedure exactly
as written below. Failure to follow the preparation and procedure may result in delayed resolution of the
audible disturbance.
Preparation:
1. Obtain a clean container (large enough to hold a quart of fluid)
2. Obtain a fluid extraction device (siphon, turkey baster, etc.)
3. Fully retract all hydraulic cylinders and jacks.
Process:
1. Using the fluid extraction device, remove one quart of fluid from the power unit reservoir.
2. Add 1/2 quart of the specified fluid.
3. Extend all hydraulic cylinders and jacks fully.
4. Add the remaining amount of the specified fluid.
5. Fully retract all hydraulic cylinders and jacks.
6. Run the Auto-Level feature on the Level-Up system per the instructions found in the Owner's Manual.
NOTE: If the noise persists, the addition of a second quart may be necessary. Follow steps 1 through 6.
__________________
Bob & Becky
2012 3402RL
2012 Chevy 2500HD D/A CC 4WD
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10-13-2014, 11:40 PM
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#4
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Montana Master
Join Date: Jan 2005
Location: North Ridgeville
Posts: 20,229
M.O.C. #2839
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Fork oil will reduce but not eliminate the occasional popping sound.
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10-14-2014, 01:48 AM
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#5
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Montana Master
Join Date: Feb 2012
Location: Lake Gaston
Posts: 8,773
M.O.C. #12156
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Fork oil, one quart, totally eliminated the noise in ours.
__________________
Mike and Lorraine
2002 3655 FL, 2005 3650RK
2010 3665RE, 2015 3910FB
F350 crew cab dually 6.7
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10-14-2014, 02:19 AM
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#6
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Montana Master
Join Date: Jun 2006
Location: Madison
Posts: 1,239
M.O.C. #5906
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Part of what you are experiencing is normal expansion and contraction of the hydraulic fluid as temperatures change. The fork oil certainly helps reduce it, but probably won't totally eliminate it. We've noticed that our popping is most prevalent when temps change more than 10 degrees and usually occurs in the evening when it gets cooler and morning when it gets warmer. Before the fork oil we thought the jacks were failing, it popped so much. We checked our level and nothing had changed.
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10-14-2014, 07:04 AM
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#7
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Montana Master
Join Date: Aug 2010
Location: Washington Coast
Posts: 2,688
M.O.C. #10696
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Yep my old 2012 3402rl did the same thing when we first bought it but after time it just stopped doing it ,No big deal
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10-14-2014, 11:58 AM
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#8
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Montana Master
Join Date: Aug 2007
Location: Waterford
Posts: 3,693
M.O.C. #7500
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I added two quarts of Torco to ours. I got the best price from Amazon. It didn't eliminate all the noise but drastically reduced it.
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10-14-2014, 01:10 PM
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#9
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Montana Master
Join Date: Apr 2013
Location: Arroyo City
Posts: 3,110
M.O.C. #13395
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I found if I place plastic pads under the jacks most of the popping is eliminated
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10-14-2014, 04:58 PM
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#10
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Site Team
Join Date: Jun 2011
Location: Wilsey
Posts: 18,799
M.O.C. #11455
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We do use plastic pads and seldom have problems with the poping. If it happens it's gotten real cold in a hurry and we try to avoid that.
__________________
Dick, Joyce, Diego, Picatso and Gustav
2017 3720 RL, and 2013 HC 343RL
Pullrite Hitch, IS, Disk Brakes, 3rd AC, Winegard Traveler, Bathroom door mod, Dometic 320, couch for desk swap, replaced chairs, sun screens, added awnings, etc.
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10-15-2014, 07:31 AM
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#11
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Montana Master
Join Date: Nov 2013
Location: Willow Spring, NC
Posts: 992
M.O.C. #13909
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Fork oil solved our popping. I used the CAT version of the fork oil that LCI recommended. I didn't drain any oil because my tank was not near full, Had plenty of room for the quart of fork oil.
I also have been using wood or plastic pads under all jack pads because it keeps the jack arm from being too extended. That makes for a more stable trailer.
__________________
Jim & Martha Abernathy
2014 Montana 3402RL Level UP, Sailun S637's, TST 507, 500W solar
2014 Ram 3500 Laramie® 4x2 diesel dually crew-cab 3.73 axle, Reese R20
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07-11-2020, 05:51 PM
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#12
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Montana Fan
Join Date: Aug 2016
Location: Eagan, MN
Posts: 107
M.O.C. #18907
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Hydraulic nightmare
On our last trip the following happened:
1. Retract rear caused the front (landing gear) to lower. Removed all power, waited a minute and all seemed well.
2. Next day, departure,hit right left on keypad to raise to hookup level and kitchen slide started to go in. Used knobs (valves under keypad) to manually isolate slides and brought in later.
3. Today, home, when we put it in storage, we autoleveled before putting our slides out to put things away. Leveler extended all rams to full and said “success”!
We have a date set in 9 days to take to CW. Anyone ever had this happen to them? Talked to Lippert for 15 minutes to a pretty fast talking tech and my head exploded. Always thought I was a pretty smart guy...
__________________
Kris & Al
2014 Montana 3402RL, Disk brakes, Sailun S637
2019 RAM 3500 Laramie 6.7 Cummins, PullRite 2900 SuperGlide
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