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2010 International Prostar Dump Valve Blinking

Discussion in 'International Forum' started by Smellfunny, Nov 11, 2015.

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  1. Nov 11, 2015 #1
    Smellfunny

    Smellfunny Road Train Member

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    Air bags will not fill with air. When the switch is flipped up it just blinks.
     
    Smellfunny, Nov 11, 2015
    Smellfunny, Nov 11, 2015
    #1
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  3. Nov 11, 2015 #2
    lots of character

    lots of character Road Train Member

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    Leeeeeeeaaaaakkkk
     
    lots of character, Nov 11, 2015
    lots of character, Nov 11, 2015
    #2
  4. Nov 11, 2015 #3
    KeithT1967

    KeithT1967 Road Train Member

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    Springfield, Ohio
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    Wroooooonnnngggggg..

    The blicking is a fault detected by the body controller. Could be a stuck solenoid valve but most likely a broken or shorted wire. Activate the fault readout function of the dash display and there should be a code showing.
     
    KeithT1967, Nov 11, 2015
    KeithT1967, Nov 11, 2015
    #3
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  5. Nov 11, 2015 #4
    Smellfunny

    Smellfunny Road Train Member

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    Jan 28, 2012
    South Carolina
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    Will do in the morning. Guy came to our shop for wheel seal leak and we noticed his air bags were down. We flipped the switch back and forth and it did nothing so we waited for him to return and asked him about it. He said the light had been blinking like that for a month or so. !!!???!!!

    Anyway it was closing time so I told him I would check in it out tomorrow.

    I noticed his lights (marker) and dash lights were going in and out as well. He may have bigger issues as well.
     
    Smellfunny, Nov 11, 2015
    Smellfunny, Nov 11, 2015
    #4
  7. Nov 12, 2015 #5
    Smellfunny

    Smellfunny Road Train Member

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    Jan 28, 2012
    South Carolina
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    Ok traced my air lines back first. One supply 3/8" and one control 1/4". Attached is a picture of the valve that the control runs to. I simply unplugged the control orange 1/4" hose from that and it allowed a little air out. (Be careful fragile) and then it went back to working. Odd but it is working. Thanks
     
    Smellfunny, Nov 12, 2015
    Smellfunny, Nov 12, 2015
    #5
  8. Nov 12, 2015 #6
    Fajo

    Fajo The Dark Knight

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    Boise, ID
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    The body controler on these trucks can be a bish, International ziptied the wires to tight at the connection for it, it can actually depin the body controller and start having random and odd things happen as the connection jiggles. Might want to check it I just had mine replaced because of it. They say its a common issue with the 2009 to 2012 the fix is unZiptie it before it breaks or when ot does replace the B/C.
     
    Fajo, Nov 12, 2015
    Fajo, Nov 12, 2015
    #6
    Justrucking2 and Smellfunny Thank this.
  9. Nov 12, 2015 #7
    Heavyd

    Heavyd Road Train Member

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    They use a goofy two solenoid set up for suspension dump, so it can be tricky to troubleshot. Basically one solenoid blocks system air, and the other sends signal to the valve to actually dump it, or something like that. Any time a switch blinks rapidly, there is fault. The body controller sends out 12 volts for each individual air solenoid on the solenoid pack. It will fault the circuit when it detects too much, or not enough electrical current is being used by the circuit, indicating either an open or short. The solenoid pack uses the same ground for all solenoids. In this pack should also be the air solenoid for the air horn and PDL. If the air horn works/PDL works then you know at least the ground is ok for the pack. Since there are some other issues too you may have a problem with a main firewall connector, or a main connector at the body controller itself. First quick thing to do is simply disconnect battery power for 5 mins and allow the body controller to cold boot. Sometimes they get locked up.
     
    Heavyd, Nov 12, 2015
    Heavyd, Nov 12, 2015
    #7
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  10. Dec 30, 2015 #8
    AJ2

    AJ2 Bobtail Member

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    Dec 30, 2015
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    Do anybody know where those solenoids are located so I can lokate them.
     
    AJ2, Dec 30, 2015
    AJ2, Dec 30, 2015
    #8
  11. Dec 30, 2015 #9
    QUALITYTRUCK

    QUALITYTRUCK Road Train Member

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    romulus,mi
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    underneath truck on driver side frame rail. middle of truck.
     
    QUALITYTRUCK, Dec 30, 2015
    QUALITYTRUCK, Dec 30, 2015
    #9
    dustinbrock and AJ2 Thank this.
  12. Jan 3, 2016 #10
    owenzhou

    owenzhou Bobtail Member

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    near the driver side frame rail.colse to transmission.
     
    owenzhou, Jan 3, 2016
    owenzhou, Jan 3, 2016
    #10
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