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cooling fan runs all the time on detroit 60, how do i get it to turn off

Discussion in 'Ask An Owner Operator' started by rbell116, Dec 8, 2014.

  1. Dec 8, 2014 #1
    rbell116

    rbell116 Bobtail Member

    18
    3
    Feb 2, 2012
    st.matthews s.c.
    0
    I have a 1992 Detroit 60, sitting in a 1996 FLD 120..
    cooling fan runs non stop. I checked for power at the a/c dryer fan relay. no power.. but I get plenty of air on fan clutch solenoid.. has any one had these problems before?
     
    rbell116, Dec 8, 2014
    rbell116, Dec 8, 2014
    #1
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  3. Dec 8, 2014 #2
    Trashtrucker1265

    Trashtrucker1265 Road Train Member

    1,310
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    Dec 14, 2009
    Inverness, Fl
    0
    I'm a company driver and have had this happen twice in the past year, it seemed to me that it had something to do with the high pressure valve associated with the A/C compressor.
     
    Trashtrucker1265, Dec 8, 2014
    Trashtrucker1265, Dec 8, 2014
    #2
  4. Dec 8, 2014 #3
    icsheeple

    icsheeple Trailing the Herd

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    Nov 1, 2013
    Kansas City, KS
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    Could need a solenoid, clutch, hub assembly, or all three.
     
    icsheeple, Dec 8, 2014
    icsheeple, Dec 8, 2014
    #3
    Cetane+ Thanks this.
  5. Dec 8, 2014 #4
    baha

    baha Road Train Member

    4,137
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    Jul 25, 2013
    ga
    0
    Unplug the wire going to fan sol. then with eng. off an fan on(not able to turn fan)ck. for air leak around fan hub? add or take off power or air bypass small air lines to sol. to make fan release so fan will freewheel and ck. for leaks again
     
    baha, Dec 8, 2014
    baha, Dec 8, 2014
    #4
  7. Dec 8, 2014 #5
    icsheeple

    icsheeple Trailing the Herd

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    Nov 1, 2013
    Kansas City, KS
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    Lol, also make sure the fan override switch on the dash is in the off position...
     
    icsheeple, Dec 8, 2014
    icsheeple, Dec 8, 2014
    #5
    Cetane+ Thanks this.
  8. Dec 8, 2014 #6
    rbell116

    rbell116 Bobtail Member

    18
    3
    Feb 2, 2012
    st.matthews s.c.
    0
    checked all over this thing, no air leak. have not tried to bypass air solenoid, but did unplug fan relay switch at a/c dryer. by unplugging it, that usually turns my fan on. On the fan relay switch located at the a/c dryer, um, am I suppose to have power on one of the wires? mine has none. pls help
     
    rbell116, Dec 8, 2014
    rbell116, Dec 8, 2014
    #6
  9. Dec 8, 2014 #7
    passingthru69

    passingthru69 Road Train Member

    8,740
    34,849
    Jul 12, 2009
    davenport,Ia / ratchaburi, thailand
    0
    Do you have your vent on defrost mode for heat?
    If so it will kick on the fan as your a/c comp. will cycle on and off
     
    passingthru69, Dec 8, 2014
    passingthru69, Dec 8, 2014
    #7
    Cetane+ Thanks this.
  10. Dec 8, 2014 #8
    reefer101

    reefer101 Medium Load Member

    444
    246
    Oct 24, 2014
    0
    just buy a new clutch. Had this problem, no air leaks from clutch but fan ran non stop, sometimes bearing in the clutch goes bad. Put a new clutch in. and don't buy rebuild kit it will last maybe one thousand miles
     
    reefer101, Dec 8, 2014
    reefer101, Dec 8, 2014
    #8
  11. Dec 9, 2014 #9
    icsheeple

    icsheeple Trailing the Herd

    2,548
    2,552
    Nov 1, 2013
    Kansas City, KS
    0
    Same here. Mine needed a new clutch when I bought it.
     
    icsheeple, Dec 9, 2014
    icsheeple, Dec 9, 2014
    #9
  12. Dec 14, 2014 #10
    rbell116

    rbell116 Bobtail Member

    18
    3
    Feb 2, 2012
    st.matthews s.c.
    0
    thanks to all, i opened the fan sylenoid, and removed a clogged wire filter, fan then operated properly after that. I will by a new one as soon as i get to parts house.
     
    rbell116, Dec 14, 2014
    rbell116, Dec 14, 2014
    #10
    icsheeple and baha Thank this.
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