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ProStar is not cooling,

Discussion in 'International Forum' started by milad, Aug 12, 2015.

  1. Aug 12, 2015 #1
    milad

    milad Light Load Member

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    Jan 25, 2014
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    Hi i did the service on my truck 09 international ISX after AC is quit on me before 2 days ago. so i replaced .. compressor, expansion valves, and dryer. i know i don't need to do that, But i did it just cause high mileage on my truck. And i read threads about that. but what i need is.. should i replace sensors (( The temperature sensors, (thermistors) )) (( evaporator outlet and inlet temperatures ))??, And do i need to computer it to rest the system or not??
     
    milad, Aug 12, 2015
    milad, Aug 12, 2015
    #1
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  3. Aug 12, 2015 #2
    Heavyd

    Heavyd Road Train Member

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    You do not need a computer to reset it. Once the system detects a fault, you only need to cycle the key to reset it. As long as it doesn't detect a fault it should work. I do not recommend throwing parts at. Sensors do fail, but generally the connector and/or wiring fail first.
     
    Heavyd, Aug 12, 2015
    Heavyd, Aug 12, 2015
    #2
    mhyn Thanks this.
  4. Aug 12, 2015 #3
    milad

    milad Light Load Member

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    Jan 25, 2014
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    Thank you so much, i did change the compressor just cause the clutch start smoking from the middle
    ( ring is melted ) yesterday, so i said let me do the whole system. I'll keep that in mind for wiring and connectors.
     
    milad, Aug 12, 2015
    milad, Aug 12, 2015
    #3
  5. Aug 13, 2015 #4
    devedo

    devedo Light Load Member

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    Aug 11, 2015
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    If you do replace any of the sensors...keep them in your truck. Some of those sensors do not require the a/c system to be sucked out to swap out. Having an extra one in your truck could save you a hot ride for a couple days or weeks until you get to a shop if you try swapping them out or if you get extra time while getting loaded.

    That and if it turns out bad at the shop...you have one on hand.
     
    devedo, Aug 13, 2015
    devedo, Aug 13, 2015
    #4
  7. Aug 13, 2015 #5
    Heavyd

    Heavyd Road Train Member

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    Only the pressure sensor can be replaced without recovering it. The thermistors need the system recovered in order to change them.
     
    Heavyd, Aug 13, 2015
    Heavyd, Aug 13, 2015
    #5
  8. Aug 13, 2015 #7
    milad

    milad Light Load Member

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    17
    Jan 25, 2014
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    Thank you devedo and heavyd, I asked about that cause I watched videos on YouTube of prostar A/C system, He said 99% is the sensors. So I thought it would hurt to ask and share some info with you.. Cause you all more experience than me.
     
    milad, Aug 13, 2015
    milad, Aug 13, 2015
    #7
  9. Aug 13, 2015 #7
    milad

    milad Light Load Member

    123
    17
    Jan 25, 2014
    0
    Thank you devedo and heavyd, I asked about that cause I watched videos on YouTube of prostar A/C system, He said 99% is the sensors. So I thought it would hurt to ask and share some info with you.. Cause you all have more experience than me.
     
    milad, Aug 13, 2015
    milad, Aug 13, 2015
    #7
    Heavyd Thanks this.
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