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Blend Door Actuator Not Moving

Discussion in 'Peterbilt Forum' started by Veeg378, Apr 10, 2017.

Page 2 of 2
  1. Nov 1, 2018 #11
    Mattyb93

    Mattyb93 Bobtail Member

    1
    0
    Nov 1, 2018
    0
    Where is this located
     
    Mattyb93, Nov 1, 2018
    Mattyb93, Nov 1, 2018
    #11
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  3. Nov 16, 2019 #13
    rickywilliams

    rickywilliams Bobtail Member

    1
    0
    Dec 8, 2011
    0
    We have 2 , 2016 Kenworth T680's with the blend doors not working properly. Both start blowing heat when you first turn the on then turns cool. I understand there are 5 blend door actuators. Is this true? if so how do I know which one is not working?
     
    rickywilliams, Nov 16, 2019
    rickywilliams, Nov 16, 2019
    #13
  4. Nov 16, 2019 #13
    Goodysnap

    Goodysnap Road Train Member

    3,502
    8,384
    Jul 12, 2017
    0
    You need ESA to troubleshoot the actuators. Carefully inspect the splines on the actuator to the door as the doors break too. If you a having heat control issues I would start with the temp control actuator first.
     
    Goodysnap, Nov 16, 2019
    Goodysnap, Nov 16, 2019
    #13
    spsauerland and pushbroom Thank this.
  5. Nov 18, 2019 #14
    spsauerland

    spsauerland Road Train Member

    4,296
    10,879
    May 31, 2010
    West Harrison, In
    0
    2nd ESA. Lot of issues we were having was corrected with software updates.
     
    spsauerland, Nov 18, 2019
    spsauerland, Nov 18, 2019
    #14
    pushbroom Thanks this.
  7. Mar 20, 2020 #15
    jusgro

    jusgro Bobtail Member

    1
    0
    Mar 20, 2020
    0
    This is an old post but the same problem is occurring on an 04 379- where did you find this short harness? I can’t seem to locate it so far coming up from the blend door actuator. Thanks
     
    jusgro, Mar 20, 2020
    jusgro, Mar 20, 2020
    #15
  8. Nov 25, 2021 #16
    markk

    markk Medium Load Member

    566
    195
    Nov 14, 2011
    0
    wish i knew.I got same problem on 17 579.going to go looking for it.
     
    markk, Nov 25, 2021
    markk, Nov 25, 2021
    #16
  9. Mar 7, 2023 #17
    Nicks_04

    Nicks_04 Bobtail Member

    1
    0
    Dec 29, 2018
    0
    Where is this harness at I have exact issue with my dads I’m trying to repair
     
    Nicks_04, Mar 7, 2023
    Nicks_04, Mar 7, 2023
    #17
  10. May 25, 2023 #18
    Stahl

    Stahl Bobtail Member

    1
    0
    May 24, 2023
    0
    It is in front of the blower , I've go the same problem tried to soder it back together and wrecked it not I'm trying to find a part number , it's not in the wiring diagram and peterbuilt parts couldn't find it today
     
    Stahl, May 25, 2023
    Stahl, May 25, 2023
    #18
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