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Detroit 60 series starting issue

Discussion in 'Trucks [ Eighteen Wheelers ]' started by DANI3L, Dec 24, 2016.

Page 1 of 2
  1. Dec 24, 2016 #1
    DANI3L

    DANI3L Bobtail Member

    28
    8
    Nov 28, 2015
    0
    Hello everyone,

    I have an International 9400 with a Detroit 60 series 12.7L motor, and suddenly have been having issues getting it to start (started happening about 1 week ago). After the 3rd long crank the engine will start and run fine, a mechanic told me to replace the check valve. When i took the check valve to him it had the wrong tip so he took the old valve and unscrewed it in half, same with the new one and assembled it so it would have the old valve's tip but with the new valve's spring and seals. A day later i tried to start it and the same thing, on the 3rd long crank it started up. Does anyone have an idea what could be causing this issue?
     
    DANI3L, Dec 24, 2016
    DANI3L, Dec 24, 2016
    #1
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  3. Dec 24, 2016 #2
    passingthru69

    passingthru69 Road Train Member

    8,740
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    Jul 12, 2009
    davenport,Ia / ratchaburi, thailand
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    How old is the bull gear on the motor.
    Sometimes when Bull Gear starts to wear out, it causes starting issues
     
    passingthru69, Dec 24, 2016
    passingthru69, Dec 24, 2016
    #2
    wore out and mhyn Thank this.
  4. Dec 24, 2016 #3
    DANI3L

    DANI3L Bobtail Member

    28
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    Nov 28, 2015
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    I have no idea how old the bull gear is, any way to test it for wear ?
     
    DANI3L, Dec 24, 2016
    DANI3L, Dec 24, 2016
    #3
    wore out Thanks this.
  5. Dec 24, 2016 #4
    passingthru69

    passingthru69 Road Train Member

    8,740
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    Jul 12, 2009
    davenport,Ia / ratchaburi, thailand
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    Have to pull the front cover
     
    passingthru69, Dec 24, 2016
    passingthru69, Dec 24, 2016
    #4
  7. Dec 24, 2016 #5
    DANI3L

    DANI3L Bobtail Member

    28
    8
    Nov 28, 2015
    0
    I'll get it checked, thanks
     
    DANI3L, Dec 24, 2016
    DANI3L, Dec 24, 2016
    #5
  8. Dec 24, 2016 #6
    passingthru69

    passingthru69 Road Train Member

    8,740
    34,849
    Jul 12, 2009
    davenport,Ia / ratchaburi, thailand
    0
    Pull off front cover and check for wear
    If bull gear goes out, it can cause motor to jump time. Then it will be an expensive fix
     
    passingthru69, Dec 24, 2016
    passingthru69, Dec 24, 2016
    #6
  9. Dec 24, 2016 #7
    passingthru69

    passingthru69 Road Train Member

    8,740
    34,849
    Jul 12, 2009
    davenport,Ia / ratchaburi, thailand
    0
    Take it to a shop that has a good Detroit man. When running and pulling does it sound like anything loose. Like a ting ting sound. Also when running look at your fuel bowl and look for tiny bubbles in your fuel. If that, then the valve in your fuel filter unit is bad or you got an air leak in the system
     
    passingthru69, Dec 24, 2016
    passingthru69, Dec 24, 2016
    #7
  10. Dec 24, 2016 #8
    little cat 500

    little cat 500 Road Train Member

    2,055
    1,100
    Jan 17, 2010
    Abbottstown PA
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    put a loop in your fuel line behind the head fuel cant drain back
     
    little cat 500, Dec 24, 2016
    little cat 500, Dec 24, 2016
    #8
  11. Dec 25, 2016 #9
    Brandt

    Brandt Road Train Member

    4,612
    6,331
    Sep 17, 2012
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    Could just be engine position sensor. Their are two of them
     
    Brandt, Dec 25, 2016
    Brandt, Dec 25, 2016
    #9
  12. Dec 25, 2016 #10
    Anniel

    Anniel Bobtail Member

    10
    3
    Feb 14, 2016
    0
    Injector leaking diesel happen to me check u oil for fuel in the oil
     
    Anniel, Dec 25, 2016
    Anniel, Dec 25, 2016
    #10
    DANI3L Thanks this.
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