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Old 05-31-2006, 05:44 PM   #1
azstar
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Join Date: Dec 2003
Location: Chandler
Posts: 624
M.O.C. #740
100 deg.=Hyd Pump Leak?

Hi All,

Well, It's hit 100+ degs. and my Hyd. pump is doing its thing, leaking again.

We're on our 3rd pump because they have all leaked when its hot, and that's in just 2 1/2 years. Just picked it up today for our summer trip and there's the puddle of oil again. Down about a Qt.

Seems to always leak between the plastic res. and the metal pump. I'm thinking it may be the differences in the expansion rates of the Plastic and the Metal causing the "O" ring to lose its seal.

Anyone else seen this problem in Hot Areas?

Boy this is getting old.
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Old 05-31-2006, 07:29 PM   #2
Parrothead
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Join Date: Aug 2004
Location: Fallon
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M.O.C. #1989
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Steve
Our unit has been through 115 degrees for days and we have not had a leak. Candles melted but that was the only problem.
Happy trails....................
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Old 06-05-2006, 04:57 AM   #3
5ER
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Join Date: Jan 2003
Location: Pittsburgh (Carroll Twp)
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Steve,
We had our Hydraulic pump changed last year and it still leaks some, so I just use it and I will add fluid when it gets low. You don't have to have 100 degrees for it to leak.
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Old 06-05-2006, 06:42 PM   #4
ols1932
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Join Date: Aug 2004
Location: Cedar Rapids
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Steve,
Is your pump a Dewald? That's what ours is and I have an appointment the end of June to have it checked. It's leaking oil a little and my slides go out a little while traveling down the road. Until I get back to Hiawatha, IA I brace the two large slides with 2x4s to keep them from going out too far. Will follow up this problem when I get it fixed. Rig is over 6 years old and the hydraulic system is under extended warranty.

Orv

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Old 06-06-2006, 05:56 AM   #5
azstar
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Hi Orv,
Mine is the Lippert. Fortunatly the Oil leaks out side the Coach on to the ground. Also it's easy to keep filled.

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Old 07-16-2006, 05:15 AM   #6
pirogue
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Join Date: Mar 2006
Location: lafitte
Posts: 13
M.O.C. #5545
found my lipert leaking and call the warranty # on the unit, i almost had a new pump until i told him i was 2nd owner.

well i removed the resevoir and put high temp silicone around the edge, so far it's not leaking, time will tell.
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