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Ac stuck on Defrost

Discussion in '1st Gen Tundras (2000-2006)' started by Stomek, Jul 13, 2025 at 3:10 PM.

  1. Jul 13, 2025 at 3:10 PM
    #1
    Stomek

    Stomek [OP] New Member

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    2005 Silver Tundra DC Limited
    I am having an issue with my 2005 tundra where the AC is stuck in defrost mode and can’t be switched. The dial moves freely but does not change the mode.

    Has anyone had a similar issue? Any insight would be much appreciated!
     
  2. Jul 13, 2025 at 3:14 PM
    #2
    Jack McCarthy

    Jack McCarthy Working remotely from the local pub

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    Does the dial feel any different? More resistance? Less resistance? Might be helpful.
     
  3. Jul 13, 2025 at 3:21 PM
    #3
    The Black Mamba

    The Black Mamba A pure specimen of TX Black Snek

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    Black 00 SR5 AC 5VZ PreRunner
    Imma keep it stock
    SteveMAR likes this.
  4. Jul 13, 2025 at 3:30 PM
    #4
    SteveMAR

    SteveMAR New Member

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    I have this same issue as OP, so I will sub to this, but first the trans solenoid issue is top of my list LOL.

    I watched a YouTube video of someone going through the blend doors and it was fairly easy-ish ( for me ) BUT you have to get under the drivers dash area where you kinda stand on your head to see what you are doing.

    EDIT = I found the video ( please do not shoot me :) )
    Disassembly - https://www.youtube.com/watch?v=0NNZ5bGOgSw
    Assembley - https://www.youtube.com/watch?v=7vToAwnD5TM
     
    Last edited: Jul 13, 2025 at 3:37 PM
  5. Jul 13, 2025 at 3:34 PM
    #5
    The Black Mamba

    The Black Mamba A pure specimen of TX Black Snek

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    Black 00 SR5 AC 5VZ PreRunner
    Imma keep it stock
    PHM (R.I.P.) had a great writeup and diagram on the topic. Sadly, stupid forum won’t let me search banned member posts.
     
  6. Jul 13, 2025 at 3:43 PM
    #6
    SteveMAR

    SteveMAR New Member

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    None relative info below..
    Yea I have seen this before on major BB sites, sad it happens. I have been a administrator of 3 BB's for the last 15 years, making decisions to BAN is what got me out of it.

    Relative info below..
    I did edit my post above with the YouTube videos I watched :)
     
  7. Jul 13, 2025 at 6:27 PM
    #7
    GXPaycheck

    GXPaycheck New Member

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    Central NC
    The rod may have come off the mechanism behind the knob.
     
  8. Jul 13, 2025 at 6:31 PM
    #8
    shifty`

    shifty` Waving My Dick In The Wind

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    (see signature for truck info)
    It will you just have to type the name out exactly as it's written for the user. You can also search for posts against BubbaW, he's posted help on quite a few threads.

    Cable probably jumped, or something (like aftermarket stereo wires) got jammed up in things to either brake or disconnect a cable or gear.
     
  9. Jul 13, 2025 at 9:23 PM
    #9
    Stomek

    Stomek [OP] New Member

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    2005 Silver Tundra DC Limited
    Thanks, to everyone who offered suggestions! I followed the link from The Black Mamba and did some digging. I took apart the front of the dash where the knobs are and found everything to be working as expected. I then pulled out the center console and was able to see the white levers in the drivers footwell that actuate to the different modes. After some testing I found that one of the white levers had slipped out of the track where it connects to another. After popping this back in I was able to switch modes. Definitely still needs some lubrication but it is now working!
     
    shifty`, KNABORES and JasonC. like this.
  10. Jul 14, 2025 at 7:51 AM
    #10
    shifty`

    shifty` Waving My Dick In The Wind

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    (see signature for truck info)
    I swore we had links to the vent binding/track jumping/cable jumping issues in the 2nd reply of the community info / megathread, but it seems we do not. Guess that should be added.
     
    The Black Mamba likes this.
  11. Jul 14, 2025 at 9:25 AM
    #11
    The Black Mamba

    The Black Mamba A pure specimen of TX Black Snek

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    Imma keep it stock
    I do try to link that first, when able. Also, I didn't see any info on the OD light short either. Maybe time to ask a mod to add reply lines to spots 3 and 4 since you're limited by character count.
     
  12. Jul 14, 2025 at 12:45 PM
    #12
    shifty`

    shifty` Waving My Dick In The Wind

    Joined:
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    Messages:
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    ATL
    Vehicle:
    '06 AC Limited V8/4WD
    (see signature for truck info)
    I added the overdrive shifting issue in the shift lever nuisance section. Pointed it to this: https://www.tundras.com/posts/2445503

    I guess I need to figure out the best place to point people over the A/C binding and/or recirc not functioning and/or heat/cool not engaging. I have a reply or two on here that links to the major issues: Control wire binding, lubing controls, dashboard spindle/gear skipping, and the broken recirc door. Ideally, in the megathread I link to point to a single reply somewhere that covers most of the diagnostic basics you won't find inside the FSM.
     

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