2017 Peterbilt 579 Heat not properly working

Discussion in 'Peterbilt Forum' started by ynottrucking, Jan 23, 2023.

  1. ynottrucking

    ynottrucking Bobtail Member

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    No condensation on my end and I’ve verified the doors working well the temp control one and the one by the blower those confirmed also the controls all lights are on the ESA program said no issues and I had it reflashed to the newest firmware witch was already installed just reflashed it wonder if control can cause that if I jammed the blenddoor to stay on heat only so it’s very weird
     
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  3. Arctic_fox

    Arctic_fox Experienced mx13 execrator

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    If the doors are working and you have verified they actully move then either your controls are bad or there is another issue. Honestly its sounding like a dealer level thing at this point. Ive hit the edge of what i know.
     
    ducnut Thanks this.
  4. ynottrucking

    ynottrucking Bobtail Member

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    Ye
    Yes me too no one ever seen this befor I just don’t want to take it to dealer since I’ve got it deleted lol
     
  5. Arctic_fox

    Arctic_fox Experienced mx13 execrator

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    This explains much lol. Also dont use the D word. The mods hate that :p
     
  6. ynottrucking

    ynottrucking Bobtail Member

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    Lol didn’t know but yeah so I’m avoiding at all cost no one seen this issue next step is get new controls but they are on national back order
     
  7. Arctic_fox

    Arctic_fox Experienced mx13 execrator

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    Try vanderhaggs. Or there are several scrapyards in nebraska that get parts in on a regular basis. Also russ fisher equipment and parts in terre haute IN deals in scrapping and parting out trucks. They get a fair number of wrecked rigs in and usually either have or can get anything you need.
     
  8. ynottrucking

    ynottrucking Bobtail Member

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  9. ynottrucking

    ynottrucking Bobtail Member

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    I’ll start doing my research might need to get a used one to test
     
  10. FLHT

    FLHT Road Train Member

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    Duck tape over the fresh air intake see if that helps.
    Cheap fix for a broken door.
     
  11. ynottrucking

    ynottrucking Bobtail Member

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    No door is broken
     
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