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  1. #1
    New Member
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    JD4120

    Default JD 4120 antifreeze leak

    Just took my 4120 to shop for coolant leak. After reading some posts, this appears it might be a leaking timing cover gasket. Just wondering if anyone has had luck getting JD to cover the cost since it's a known issue with the gasket on the 4120. It's an '06 with 650hrs. I know it's out of warranty and I may be forced to eat it but I'm gonna try. Any suggestions??

  2. #2
    Elite Member WilliamBos's Avatar
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    Innisfil, Ontario, Canada
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    MF 1635 12x12 Powershuttle

    Default Re: JD 4120 antifreeze leak

    Unless there was some kind of recall, you will have to cover it. You are just too far out of warranty.
    Thanks,

    Will


    I do not care if someone's net nanny is watching!! You need to stop...

  3. #3
    Platinum Member Furu's Avatar
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    Nov 2009
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    Washington
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    JD 4720

    Default

    Quote Originally Posted by D4120
    Just took my 4120 to shop for coolant leak. After reading some posts, this appears it might be a leaking timing cover gasket. Just wondering if anyone has had luck getting JD to cover the cost since it's a known issue with the gasket on the 4120.
    Where did you see that this is a known issue? I have a 4720 and will have to watch out for it. No problems yet.
    JD 4720 - 400CX FEL, Woods BB-720 Brush Bull and BH90X backhoe, Salsco 6210XT PTO Chipper, Farmi 501 Logging Winch, Bo-Dozer Grapple, LP RBT4096, Cammond Road grader/leveler and Rankin Trash Forks

  4. #4
    Elite Member WilliamBos's Avatar
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    Innisfil, Ontario, Canada
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    MF 1635 12x12 Powershuttle

    Default Re: JD 4120 antifreeze leak

    Quote Originally Posted by Furu View Post
    Where did you see that this is a known issue? I have a 4720 and will have to watch out for it. No problems yet.
    Apparently, if atleast 1 other person posts about it, it may be a known issue.
    Thanks,

    Will


    I do not care if someone's net nanny is watching!! You need to stop...

  5. #5
    Platinum Member Red Horse's Avatar
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    Dec 2010
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    Bolton, MA
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    Deere 655ZTrak, Deere 4720 Cab, 400 X

    Default Re: JD 4120 antifreeze leak

    I do believe there is a thread going about a 4x20 with similar issue.

  6. #6
    New Member
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    JD4120

    Default Re: JD 4120 antifreeze leak

    I just googled the issue and it returned a few different sites and comments from others with the same problem. I've not heard for sure from the shop but I'm afraid this may be the case with my 4120. I couldn't pinpoint the leak, just that it was originating from above the water pump somewhere and running down the face of the block. Sounds like a simple fix......wrong, look at this image posted by another. If there is a thread going, where would I find it?

    http://www.********************.com/...es/5190988.jpg

  7. #7
    New Member
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    Default Re: JD 4120 antifreeze leak


  8. #8
    Elite Member WilliamBos's Avatar
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    Default Re: JD 4120 antifreeze leak

    Put some spaces between the words in the link, we can put it back together.
    Thanks,

    Will


    I do not care if someone's net nanny is watching!! You need to stop...

  9. #9
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    JD4120

    Default Re: JD 4120 antifreeze leak

    If you google antifreeze leak 4120, click on the 3rd link it returns and you'll see a picture someone has posted of their 4120, less the ENTIRE front end. ****, that seems like a lot of work to repair a coolant leak......just saying. Thanks guys for the replies.

  10. #10
    Elite Member WilliamBos's Avatar
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    Default Re: JD 4120 antifreeze leak

    Quote Originally Posted by D4120 View Post
    If you google antifreeze leak 4120, click on the 3rd link it returns and you'll see a picture someone has posted of their 4120, less the ENTIRE front end. ****, that seems like a lot of work to repair a coolant leak......just saying. Thanks guys for the replies.
    I would ask for sure, cannot hurt. You getting a quote on the repair cost?
    Thanks,

    Will


    I do not care if someone's net nanny is watching!! You need to stop...

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