09 prostar a/c replaced everything still not working (2024)

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Discussion in 'International Forum' started by radicastuff, Aug 7, 2012.

Page 6 of 25

  1. May 20, 2014#51

    HeavydRoad Train Member

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    Ok, I am sorry you have a sour taste in your mouth about dealers. Unfortunately you are just going to keep throwing parts at it until you blindly find the problem. Checking system pressures is important, this will tell you if you a leak and if the system is working or not. The system is controlled by computer. If you refuse to go a shop that can read what is going on, then your guess is a good as mine. Obviously you need more than a $25 actuator.

    Heavyd,May 20, 2014

    Heavyd,May 20, 2014

    #51

  2. 09 prostar a/c replaced everything still not working (9)

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  3. May 20, 2014#52

    al easleyBobtail Member

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    Dec 25, 2012
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    Thanx Heavyd , I'll likely end up at dealer . Just trying to figure out what could be wrong .

    wheelman666 Thanks this.

  4. May 20, 2014#53

    HeavydRoad Train Member

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    Don't let the dealer bully you into a repair. Tell them you want it diagnosed only, then the repair quoted. When you sign the work order make sure it says, "diagnose only". That way if they install $10,000 worth of parts you pay nothing! If their diagnostics or repair quote sounds outrageous or fishy, ask us here, and/or get a second opinion.

    Heavyd,May 20, 2014

    Heavyd,May 20, 2014

    #53

    al easley Thanks this.

  5. May 24, 2014#54

    vangtransportHeavy Load Member

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    Apr 14, 2009
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    I want to thank Heavyd!! My A/C was acting up on my Prostar and was throwing the code for the inlet temp sensor. Thanks to your input on this thread she's all fixed up and blowing ice cold. Thanks again for coming on here and providing solid advice, it's greatly appreciated!!

    vangtransport,May 24, 2014

    vangtransport,May 24, 2014

    #54

    Heavyd Thanks this.

  6. May 25, 2014#55

    ih8thatguy2141Bobtail Member

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    Apr 20, 2014
    apple valley, ca
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    All this means is that your slpr blower is on when your front blower is off. Thats why it say activate front hvac.

    ih8thatguy2141,May 25, 2014

    ih8thatguy2141,May 25, 2014

    #55

  7. Jun 1, 2014#56

    al easleyBobtail Member

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    Dec 25, 2012
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    Heavyd , heres the codes for my a/c
    1547-0 inlet sensor
    1548-0 outlet sensor
    1552-2 hvac control head
    3981-2 hvac mode cotrol , actuator
    This a/c doesnt work good, replaced drier, expan valve,thermisters ,compressor
    Truck#2
    1547-0
    2609-16 hvac hi press protect, psi over480
    3981-2
    This a/c works great for a couple days , then fades away, replaced drier, expand valve, thermisters and just replaced hi press switch yesterday , hits road tonight
    Any ideas??? Thanx in advance

    al easley,Jun 1, 2014

    al easley,Jun 1, 2014

    #56

  8. Jun 2, 2014#57

    HeavydRoad Train Member

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    Now that you replaced the high pressure sensor, try it again. If it works greats then just stops, I would say you have a wiring issue. You should get the codes cleared, so if something happens again only the one code should be logged to pinpoint which circuit is the culprit.

    Heavyd,Jun 2, 2014

    Heavyd,Jun 2, 2014

    #57

  9. Jun 2, 2014#58

    al easleyBobtail Member

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    Dec 25, 2012
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    Thanx Heavyd , any tricks to clearing codes
    left turn signal - cruise on/cruise set while gauges are cycling
    Ignition key 4x- start on 5th key turn
    pull a fuse
    one more thing , is there a special procedure needed to replace those actuators , replaced the vent door actuator in 6 of our trucks this spring , all of them were cracked and settled on the defrost mode . Once again , thank you sooo very much

    al easley,Jun 2, 2014

    al easley,Jun 2, 2014

    #58

  10. Jun 2, 2014#59

    HeavydRoad Train Member

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    You need Diamond Logic software to clear the codes from the body controller. The actuators are just r&r, once you get to them. The HVAC controls need to recalibrate it afterwards. You can remove and unplug the HVAC control head, (the module with heater and a/c control dials on it), or you disconnect the batteries to the truck. Which ever you like. This will reset the actuator travel from stop to stop automatically.

    Heavyd,Jun 2, 2014

    Heavyd,Jun 2, 2014

    #59

  11. Jun 2, 2014#60

    al easleyBobtail Member

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    Dec 25, 2012
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    Awesome , thanx Heavyd

    al easley,Jun 2, 2014

    al easley,Jun 2, 2014

    #60

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    09 prostar a/c replaced everything still not working (2024)

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