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Old 07-27-2014, 08:15 AM   #1
Monaco Owners Club
Join Date: Aug 2012
Posts: 73
Hydraulic fluid reservoir location

I cannot find the fill point nor sight glass referenced in my manual for my 03 Beaver Marquis.

Chuck Harrison

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Old 07-27-2014, 08:19 AM   #2
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Location: FTer Class of 2015 Origin: Evergreen, Colorado
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Afraid I do not know your coach, but if you turn on the pump you will be able to trace [by hearing] the noise to its location under the coach. The pump and reservoir are typically adjacent to one another. Hope that helps! \ken

Ken, Deb, & Gadget (WIT Club, FMCA, SKP, and grateful volunteers with Habitat for Humanity and SOWERs), traveling in a well-behaved 2005 Winnebago Vectra 40FD w/1100w solar, some gee-golly-whizbang, and a TRAILERED 2015 Cherokee TrailHawk toad.
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Old 07-27-2014, 09:19 AM   #3
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OP, I did a 'Google' search and what I found was that on the 2002 model the tank was under the second step coming into the MH. This might be a place to start with.
Good luck!
2009 38' Diplomat
CSM- retired, wife as co-pilot
Reka & Ali providing security (our 2 labs)
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Old 07-27-2014, 05:34 PM   #4
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I'm going to assume your 03 Marquis is similar to my 03 Patriot. To the best of my memory now there are two hydraulic reservoirs. Both are accessed by the door right behind (to the left of) your battery door (where the fuel filter(s) are located). There is a large black box near the top fo that bay that my documentation says has a site glass in it. I have not found it. And for the life of me I cannot remember off the top of my head what this one supports (although a nagging memory makes me think it is for the radiator fan) . But, you can find a fill cap on the top of it. To the best of my memory I used a stick to check the level and a "pump" filler to get more fluid in there.

Then there is a second reservoir for the leveling jacks that is located behind all the hoses that go to the fuel filter(s). It is a pistol to find this one. You will need a good flashlight and mirror to find it. This reservoir sits on top of the pump to the jacks. The "filler cap" looks like a short pipe with a cap/top on it. If your coach is anything like mine you will have a bunch of gunk around the filler cap which you will want to remove before you remove the cap since this is just a pipe fitting welded to the tank. You also want to be really careful when you remove this cap since I don't think there is a replacement available and this has a special filter in the top to allow air in and out of the tank. Again, a stick is about the only way to check the level and I can't find any documentation regarding what "full" is. I used a funnel with a plastic tube attached to add fluid to this one. It is not an easy task.

These are the only hydraulic tanks that I can think of. If I missed what you were asking about, please let me know.

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cat, fluid

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