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  1. #11
    Silver Member
    Join Date
    Jul 2000
    Posts
    112

    Default Re: Another overheating problem (long)

    I would check the radiator overflow bottle. If it is full then I would suspect the radiator is clogged or has a worn radiator cap, or that there is not a airtight seal between the two. You have a Yanmar engine in your tractor and I believe that you would need a 13 psi overflow type cap. If the water is not pulled back into the radiator then you loose it the next time it builds over 13 lbs of water pressure. You can try to drain and flush the system or just pull the radiator and have it rodded out at a shop. These are the simple things that can cause the problems you are having and they are cheap to address before you move on to the more serious posibilities.

  2. #12
    Platinum Member
    Join Date
    Aug 2003
    Posts
    811
    Location
    Waterman, DeKalb County, Illinois
    Tractor
    John Deere 855 MFWD; Oliver 1850 Gas

    Default Re: Another overheating problem (long)

    </font><font color="blue" class="small">( I would check the radiator overflow bottle.)</font>

    Ther isn't one...it drains out onto the ground. I checked the diagram at jdpart.deere.com, and this is the proper configuration. This possibility is the reason that I am going ahead and replacing the cap.

    Dave

  3. #13
    Veteran Member Nasty135's Avatar
    Join Date
    Jan 2004
    Posts
    1,422
    Location
    Southern Md.
    Tractor
    massey ferguson 135/1433v

    Default Re: Another overheating problem (long)

    DaveNay, Maybe your overheating could be attributed to a defective clutch fan if your tractor uses a clutch fan? I've seen this happen before... [img]/forums/images/graemlins/cool.gif[/img] You did release the brakes didn't ya [img]/forums/images/graemlins/wink.gif[/img]

  4. #14
    Veteran Member Nasty135's Avatar
    Join Date
    Jan 2004
    Posts
    1,422
    Location
    Southern Md.
    Tractor
    massey ferguson 135/1433v

    Default Re: Another overheating problem (long)

    Dave , also you said its consuming coolant ,not overflowing? check for pin hole leak in hoses or radiator? As stated previously check oil drain plug for water [img]/forums/images/graemlins/frown.gif[/img]Mark S.

  5. #15
    Elite Member
    Join Date
    Mar 2002
    Posts
    3,609

    Default Re: Another overheating problem (long)

    "I am looking more at a case of loosing coolant as opposed to ineffective coolant.'

    Normally, you lose coolant after it overheats and boils. If the cause of overheating is not obvious it's usually caused by a clogged radiator. I would go to any parts store and get a 13# STANT cap and a coolant recovery bottle. Flushing the system is just a normal maintenance procedure.

  6. #16
    Epic Contributor Soundguy's Avatar
    Join Date
    Mar 2002
    Posts
    49,441
    Location
    Central florida
    Tractor
    ym1700, NH7610S, Ford 8N, 2N, NAA, 660, 850 x2, 541, 950, 941D, 951, 2000, 3000, 4000, 4600, 5000, 740, IH 'C' 'H', CUB, John Deere 'B', allis 'G', case VAC

    Default Re: Another overheating problem (long)

    To go along with that.. the very act of loosing coolant will cool the engine.. course once the sensor is in a dry region.. you loose a good of just how hot it is..

    Soundguy

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