A/C not working on Max

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Razorwyr, May 1, 2020.

  1. AModelCat

    AModelCat Road Train Member

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    60-65 PSI on low side? What was the high side? This with the compressor engaged?

    If compressor is off and both sides are 60 PSI at 70°F I'd suspect possibly low refrigerant charge. Typically a fully charged system should read about 70 PSI static pressure at 70°F ambient temperature.
     
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  3. lights787

    lights787 Light Load Member

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    Southwest International Dealer in Mckinney,TX
     
  4. Razorwyr

    Razorwyr Road Train Member

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    I'm at the San Antonio dealer, we shall see if I have any better luck.
     
  5. Razorwyr

    Razorwyr Road Train Member

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    System was on, I thought the compressor was on at the time, but now I'm not sure if just a sun glare caused me to think it was spinning since it was clearly not yesterday. It wasnt quite 70 out and the psi was over 60, so like 63ish psi and probably 67-68 temp. Either way, shop has it now. We shall see what they say
     
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  6. lights787

    lights787 Light Load Member

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    What is a good alternative to an International Dealer for service? If I may have to part ways with these guys.
     
    Last edited: May 4, 2020
  7. devedo

    devedo Light Load Member

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    Find an independent shop, go to the bars near there, and bring it up in conversation lol. Either the local truckers will have brought stuff there and tell ya about it. Or ya meet their mechanics there and if they seem like completely #########...I wouldn't bring my stuff there.
     
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  8. lights787

    lights787 Light Load Member

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    Very funny. I like your reply. Well, International took care of me. I think I am going to stick with them for a little longer. On that note, are there any honest aspect to trucking? I am not so sure anymore. :)
     
  9. Razorwyr

    Razorwyr Road Train Member

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    I like it, but I get a discount at the dealership so it's about the same price and I know I'm covered nationwide for a warranty
     
  10. Razorwyr

    Razorwyr Road Train Member

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    Ok, so my compressor was locked up, metal shavings in the dryer. Total rebuild of the system, should get me back on the road tomorrow
     
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