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AC grunt when turning off?

Discussion in 'New Members' started by Uglysyik57, Aug 6, 2019.

  1. Aug 6, 2019 at 2:22 PM
    #1
    Uglysyik57

    #1
    Uglysyik57 [OP] New Member

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    Hello all,

    I've got at 2018 SR5 4x4 xp edition with less than 5k on the clock. I was pulling into Canaveral to watch the rocket go up with my son today and when I turned the AC off there was a grunt that came from it. I thought my son ripped one but was adamant that he didn't. I began to investigate and found that when I turn the AC on it runs as normal...but every time I turn it off it does this grunt thing and the noise is coming from passenger floorpan. Any thoughts? I apologize if this has been covered but I couldn't find a thread on this specific issue.
     
    Uglysyik57, Aug 6, 2019
    #1
    Taco critter, irayfz6 and buckhuntin-tacoma like this.
  2. Aug 6, 2019 at 2:32 PM
    #2
    Tullie D

    #2
    Tullie D Well-Known Member

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    Welcome to the forum.
     
    Tullie D, Aug 6, 2019
    #2
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  3. Aug 6, 2019 at 2:36 PM
    #3
    buckhuntin-tacoma

    #3
    buckhuntin-tacoma Shed hunter

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    Welcome to TW!!
     
    buckhuntin-tacoma, Aug 6, 2019
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  4. Aug 6, 2019 at 2:40 PM
    #4
    Uglysyik57

    #4
    Uglysyik57 [OP] New Member

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    Thx. Kinda feel like a prick not introducing myself first before asking for advice...but im still in the honeymoon/babying phase with my Taco and the noise it driving me batsh!t.
     
    Uglysyik57, Aug 6, 2019
    #4
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  5. Aug 6, 2019 at 2:44 PM
    #5
    irayfz6

    #5
    irayfz6 TTC #0249

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    Welcome to TacomaWorld!

    Not sure about the noise, sorry
     
    irayfz6, Aug 6, 2019
    #5
    Taco critter likes this.
  6. Aug 6, 2019 at 2:49 PM
    #6
    Tullie D

    #6
    Tullie D Well-Known Member

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    I suspect that the grunt is one of the dampers closing.

    How was the launch? I've never been able to catch one.
     
    Tullie D, Aug 6, 2019
    #6
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  7. Aug 6, 2019 at 2:54 PM
    #7
    Bleep100

    #7
    Bleep100 TOYOTA 4 LIFE

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    I saw one last year down there , I was on a pier at bar when it went off and it was awesome and a wow moment .
     
    Bleep100, Aug 6, 2019
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  8. Aug 6, 2019 at 4:37 PM
    #8
    tomwil

    #8
    tomwil Well-Known Member

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    How are you turning off the AC, by turning off the engine?

    Could it be the secondary air injection system?
     
    tomwil, Aug 6, 2019
    #8
    irayfz6 likes this.
  9. Aug 7, 2019 at 12:38 PM
    #9
    boogie3478

    #9
    boogie3478 Well-Known Member

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    Welcome to TW! Not sure what the noise could be.
     
    boogie3478, Aug 7, 2019
    #9

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