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Old 05-11-2021, 10:00 AM   #1
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Leaking LCI Pump - Need Repair Help

Hello everyone, newbie here that is going to try my best to give a clear description of my issue.

I have a 2011 Monaco Monarch w/a LCI 4 point leveling system and hydrualic wall slide. I recently had to add ATF for the system to work. On our first outing I noticed a small puddle under the MH where the tank/pump is.

There appears to be a plate that the electric motor mounts to that has a constant leak.

The 1st pic shows the unit with the motor in place. The leak is at the bottom just about the mounting bracket.

The 2nd picture shows the view with the motor removed. Does anyone have any experience in what needs to be addressed to solve this leak? Does the mounting plate where the motor goes need to be removed to fix a seal of some sort behind it?

Both pictures posted side ways, an accurate view would be rotating them clockwise one turn...sorry, not sure how to fix them in this system.

I'm not sure of the actual model # of this unit. This is all completely new to me so if there is a way to find the model I will gladly look and provide an update.

Thanks in advance for any advice and help!
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Old 05-11-2021, 12:49 PM   #2
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Welcome to the forum.

I can't really give any input on your problem but I re-oriented the pictures so others can get a quick glance at your situation.

.
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Old 05-11-2021, 01:45 PM   #3
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So you can't tell exactly where the leaking is coming from, correct?

Is the reservoir level dropping? Can it be that perhaps the reservoir is over-filled? ...or leaking from the fill cap?

I believe (but not certain at all) that your LCI system is the following:

Lippert 156844 LCI 2 Valve Pump Assembly

Take a look at the photos HERE and you can see that the reservoir also has what might be a drain cap near the bottom in addition to the fill cap. Maybe it's leaking from the drain cap? Check to see if it's tight.



An image of if turned backward:
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Old 05-11-2021, 02:32 PM   #4
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The leak appears to be coming from that mounting plate that the motor bolts to shown in the 2nd picture. You can see the red fluid coming out the bottom. The reservior tank does drop. I've had to add fluid once right after I bought this thing back in March (was probably never checked during the previous owner time).

I had removed the upper and lower bolts thinking that plate would pop out and reveal an o-ring or seal of some sort but it doesn't seem to want to conveniently come out. I didn't want to force it and break something.

I was working on this from below with the unit still in place. I was really hoping for an "easy" fix that wouldn't require removal.

When I re-insert the bolts fluid can be seen squishing out at the bottom.

I'm going to see if I can find the 2nd cap on the side, I didn't notice one before.

I know there's a small leak around the slide piston seal and another fitting that runs fluid to the non-leaking slide piston. These are occasional drippers that I will deal with after this pump stops dropping a puddle.
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Old 05-11-2021, 03:02 PM   #5
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I tried getting a picture of the serial/part numbers on the actual motor and it looks like me fighting to get it re-installed with oily hands rubbed the numbers off the sticker....

I don't have the 2nd cap on the side as shown in the image you sent the link to, otherwise it looks very similar in design.
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Old 06-21-2021, 08:42 PM   #6
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In the event that anyone stumbles across this post, here is what my resolution appears to be:

Had a mobile RV repair guy check out my pump. He was able to remove the plate behind the motor that was leaking. It was cleaned and reassembled hoping to fix the leak. Didn't fix it.

My motorhome is a 2011 Monaco Monarch with a 4 point leveling system and a full wall slide. Lippert was the manufacturer of the pump.

Part # is 175249

I spoke to Lippert tech support several times and I was told that the unit needed replacement, couldn't be repaired. Cost was approx $2600.

Hope this helps someone else out in the future.
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Old 06-22-2021, 06:09 AM   #7
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Quote:
Originally Posted by Schmoyer1 View Post
In the event that anyone stumbles across this post, here is what my resolution appears to be:



Had a mobile RV repair guy check out my pump. He was able to remove the plate behind the motor that was leaking. It was cleaned and reassembled hoping to fix the leak. Didn't fix it.



My motorhome is a 2011 Monaco Monarch with a 4 point leveling system and a full wall slide. Lippert was the manufacturer of the pump.



Part # is 175249



I spoke to Lippert tech support several times and I was told that the unit needed replacement, couldn't be repaired. Cost was approx $2600.



Hope this helps someone else out in the future.


Did you replace the unit or still battling the leak?
It would appear that there has to be a seal, gasket, oring that keeps fluid from getting around the pump shaft and like wise out of the pump. Cleaning and reinstalling probably did not address the leak in the seal.
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Old 06-28-2021, 09:19 AM   #8
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Quote:
Originally Posted by rssnape View Post
Did you replace the unit or still battling the leak?
It would appear that there has to be a seal, gasket, oring that keeps fluid from getting around the pump shaft and like wise out of the pump. Cleaning and reinstalling probably did not address the leak in the seal.
I ended up with a new hydrualic pump. I had a RV repair guy take the motor and plate off and clean/reassemble it but it leaked immediately.

He suggested trying a sealant of some kind but in talking with Lippert support they did not recommend that.

The new pump is installed and now I'm moving on to battle the leaks on the slide cylinders...
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