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Reefer unit.

Discussion in 'Refrigerated Trucking Forum' started by maximo111, Jan 12, 2015.

  1. Jan 12, 2015 #1
    maximo111

    maximo111 Bobtail Member

    7
    1
    Jul 22, 2014
    Fort worth, Texas
    0
    Reefer showed alarm 37,low coolant. Tech said it was low on coolant. I saw him put like a gallon of thr red stuff,but most of it came back out thru the overflow hose. He did it again and same thing happen.
    What it happening here????????????????
    I saw the coolant temp.working ok on micro,so that tells me thermostat is doing its job.
    Reservoir cap is new. HELP!
     
    maximo111, Jan 12, 2015
    maximo111, Jan 12, 2015
    #1
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  3. Jan 12, 2015 #2
    FLATBED

    FLATBED Road Train Member

    6,665
    5,499
    Sep 14, 2008
    Back behind the Wheel and out of the OFFICE
    0
    Bad coolant level sensor
     
    FLATBED, Jan 12, 2015
    FLATBED, Jan 12, 2015
    #2
  4. Jan 12, 2015 #3
    rogueunh

    rogueunh Road Train Member

    1,077
    21,273
    Jan 4, 2011
    0
    Agree with above, most likely a sensor.
     
    rogueunh, Jan 12, 2015
    rogueunh, Jan 12, 2015
    #3
  5. Jan 12, 2015 #4
    maximo111

    maximo111 Bobtail Member

    7
    1
    Jul 22, 2014
    Fort worth, Texas
    0
    Hello there. The coolant alrm switch is ok,reason I say that due to level being under the switch mark. It just keeps vomiting the coolant everytime you refill.
    Thanks
     
    maximo111, Jan 12, 2015
    maximo111, Jan 12, 2015
    #4
  7. Jan 12, 2015 #5
    201

    201 Road Train Member

    11,302
    22,907
    Apr 16, 2014
    high plains colorado
    0
    Hi FLATBED, dang, I knew I should have gone into the sensor business. I remember when reefers were so simple, noisy, but simple. Aside from sucking the fuel dry, which can still be a problem, the worst that could happen was that big fan belt would fly off.
     
    201, Jan 12, 2015
    201, Jan 12, 2015
    #5
    jbatmick Thanks this.
  8. Jan 12, 2015 #6
    Badcable

    Badcable Medium Load Member

    356
    191
    Feb 1, 2008
    Outside Chicago, IL
    0
    Agreeing with the other guys on a coolant level sensor. Or - crap in the wire connectors, tis the season.
     
    Badcable, Jan 12, 2015
    Badcable, Jan 12, 2015
    #6
  9. Feb 28, 2015 #7
    404a

    404a Bobtail Member

    23
    11
    Feb 28, 2015
    Delavan, WI
    0
    Hey did you get this resolved? I would like to know what type of model this is?
     
    404a, Feb 28, 2015
    404a, Feb 28, 2015
    #7
  10. Feb 28, 2015 #8
    ‘Olhand

    ‘Olhand Cantankerous Crusty

    6,339
    14,510
    Jan 18, 2011
    0
    Does it spit it out as soon as your pour it in...or after it runs awhile???And will it run w/alarm code or does code shut it down??
     
    ‘Olhand, Feb 28, 2015
    ‘Olhand, Feb 28, 2015
    #8
  11. Mar 4, 2015 #9
    404a

    404a Bobtail Member

    23
    11
    Feb 28, 2015
    Delavan, WI
    0
    Well hope you got it squared away, but if it is a tier 2 yanmar a blown head gasket is common.
     
    404a, Mar 4, 2015
    404a, Mar 4, 2015
    #9
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