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  1. #1
    Bronze Member nauxier16's Avatar
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    Feb 2013
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    76
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    Red Bush, Ky
    Tractor
    2013 Kubota M7040 4wd Hydraulic Shuttle

    Default M7040 "hissing" noise from under seat?

    Hey guys I have a new M7040 4x4 Hydraulic shuttle and I have noticed that it has what sounds like a hissing noise or like an air leak coming from under the seat but everything works great and all the fluid levels are good, i'm not sure if its fluid bypassing a valve or what, i'm not sure if this is a problem or a common thing on these, I was just wondering if you all could help.
    Thanks!

  2. #2
    Elite Member Coyote machine's Avatar
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    Southern VT
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    '10 Kioti DK 40se/hst KL-401 FEL, loaded tires, KB-2485 bhoe, Tuffline TB160 boxblade, Woods QA forks, MIE Hydraulic bhoe thumb & ripper tooth, Igland 4001 winch, & GR-20 Log Grapple. Woods BBX72" Mower. Diamondplate aluminum canopy.

    Default Re: M7040 "hissing" noise from under seat?

    I'm thinking rattler? Or maybe a cottonmouth?
    Have no idea but thought I'd throw in some humor.
    Could you have a slow air leak in a tire? Suspension seat leak?
    Enjoy your new tractor.
    2010 DK-40se/hst, Kioti KL-401 FEL, (reversible Kioti cutting edge), 72" Ratchet Rake. Fit Rite Top-N-Tilt hydraulics & diverter valve. HLA Series 2000 7' snowplow, Aquiline MPC rear chains. Samuri Sickle bar.

    Scag Wildcat: Kawasaki 26HP, with bagger. Dr. brush mower, & 42" lawn deck, Dr. self propelled, 6.5HP Trimmer mower. Pro-Mow 3 gang mower, no HP.

    Bunch of STIHL chainsaws: 011x 2, MS192T, MS200T, MS180C, MS230, MS270 (Wood Boss), 038 Farmboss, '86 anniversary edition.

  3. #3
    Veteran Member kuboman's Avatar
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    Dec 2009
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    Canada
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    B3200, L5740,

    Default Re: M7040 "hissing" noise from under seat?

    Check that your 3pt is not bypassing at the top of the lift.
    L5740 LA854 loader
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  4. #4
    Bronze Member nauxier16's Avatar
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    Feb 2013
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    Red Bush, Ky
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    2013 Kubota M7040 4wd Hydraulic Shuttle

    Default Re: M7040 "hissing" noise from under seat?

    Quote Originally Posted by kuboman View Post
    Check that your 3pt is not bypassing at the top of the lift.
    What is the best way to check it and if it is doing that how do I fix it? I kinda think its something like whatyour talking about.

  5. #5
    Bronze Member dal929's Avatar
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    Default Re: M7040 "hissing" noise from under seat?

    do you have an air ride seat that has a leak? Do you hear an air pump continuously running?

  6. #6
    Bronze Member nauxier16's Avatar
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    Feb 2013
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    Red Bush, Ky
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    2013 Kubota M7040 4wd Hydraulic Shuttle

    Default Re: M7040 "hissing" noise from under seat?

    No it doesn't have an air ride seat, I'm not aware of it having an air pump

  7. #7
    Elite Member Tx Jim's Avatar
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    Jan 2007
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    North Texas
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    JD 4255/Kubota M7040 HDC

    Default Re: M7040 "hissing" noise from under seat?

    Move 3 pt control lever forward just a little and see if the noise goes away. It's possible the 3 pt is raised to it's upper limit and control valve isn't going into neutral position. If lowering 3 pt stops the hissing noise then I'll guess "feedback rod" is out of adjustment.

  8. #8
    Bronze Member nauxier16's Avatar
    Join Date
    Feb 2013
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    Location
    Red Bush, Ky
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    2013 Kubota M7040 4wd Hydraulic Shuttle

    Default Re: M7040 "hissing" noise from under seat?

    Ok thanks a lot, I will try it when I get home from work tonight and I will see if it works.

  9. #9
    Bronze Member nauxier16's Avatar
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    Red Bush, Ky
    Tractor
    2013 Kubota M7040 4wd Hydraulic Shuttle

    Default Re: M7040 "hissing" noise from under seat?

    I moved the 3 point hitch up and down and the sound would stop but when I would raise or lower the hitch it was still noticeable just not as bad

  10. #10
    Super Member 94BULLITT's Avatar
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    Frederick County, VA
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    Kubota BX2360 & L4240 HSTC

    Default Re: M7040 "hissing" noise from under seat?

    Sounds like you may have had too much chili

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