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what's that servo noise 15 seconds after startup?

Discussion in '2nd Gen. Tacomas (2005-2015)' started by NiceGuyEddie, Jan 24, 2010.

  1. Jan 24, 2010 at 5:23 PM
    #1
    NiceGuyEddie

    NiceGuyEddie [OP] Well-Known Member

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    sounds like R2D2 is in my engine! what's that noise about 15 seconds after startup?

    my guess is some sort of door closing, maybe the engine uses more air when it's starting up?
     
  2. Jan 24, 2010 at 5:25 PM
    #2
    kilgoja

    kilgoja Well-Known Member

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    :mudding:
    mine makes a noise right after i start to move for the first time...like some electric thing goes kasjfoaisjfasdf
     
  3. Jan 24, 2010 at 5:26 PM
    #3
    Cfish

    Cfish Member

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    yeah, mine does it too... could be steering?
     
  4. Jan 24, 2010 at 5:26 PM
    #4
    tacomaman06

    tacomaman06 Carolina Alliance: Enforcer

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    getting there....
    probably just the abs doing a safety check........or a vacuum line opening and closing.
     
  5. Jan 24, 2010 at 5:27 PM
    #5
    Joe Taco

    Joe Taco Well-Known Member

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    Service dude told me it was the transmission servos.

    I kinda doubt it.

    Sounds like "flaps up" to me.
     
  6. Jan 24, 2010 at 5:29 PM
    #6
    BravesFan

    BravesFan The MOST Badass Offroad Truck

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    I thought it was abs like checking itself or something
     
  7. Jan 24, 2010 at 5:29 PM
    #7
    ziffen

    ziffen Well-Known Member

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    I always thought it was something to do with ABS also. Never really worried about it though.
     
  8. Jan 24, 2010 at 5:33 PM
    #8
    Krazie Sj

    Krazie Sj Resident Jackass

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    You guys can hear shit when you start your vehicle besides the engine? Only thing I hear is Metallica's 'Battery' being blasted.
     
    ChadsPride likes this.
  9. Jan 24, 2010 at 5:33 PM
    #9
    FLJB

    FLJB Well-Known Member

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    That is crazy.... I was just thinking about this very subject as i have heard it over the last couple of days and thought about posting this very question....

    I have to back out of my parking space and right when i start forward i hear the whirring noise. I have been wondering what the hell it is. Sounds like it is coming from the middle of the back of the inside of my access cab (at least to me it does). only hear it with the radio off and if it is quiet but it is there.

    huh.
     
  10. Jan 24, 2010 at 5:37 PM
    #10
    cjastacio

    cjastacio Well-Known Member

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    Been wondering since I got mine a few weeks ago too!
     
  11. Jan 24, 2010 at 5:50 PM
    #11
    KPT

    KPT sees what you did there.

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    As others have hinted at, it is the ABS calibrating itsself. Completely normal.
     
  12. Jan 24, 2010 at 5:54 PM
    #12
    JeffRock

    JeffRock Well-Known Member

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    Yeah, I've often wondered what the noise was. Never thought it was a troubling noise.
     
  13. Jan 24, 2010 at 6:08 PM
    #13
    ziffen

    ziffen Well-Known Member

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    Anything Metallica from the ...And Justice for All album and older would be fine by me.
     
  14. Jan 24, 2010 at 6:15 PM
    #14
    NiceGuyEddie

    NiceGuyEddie [OP] Well-Known Member

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    thank you, i wasn't alarmed, just wondering.

    but yet, what exactly does it mean that the ABS is calibrating itself? what is happening? where exactly is it coming from?
     
  15. Jan 24, 2010 at 6:24 PM
    #15
    Krazie Sj

    Krazie Sj Resident Jackass

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    Hells yeah!
     
  16. Jan 24, 2010 at 7:20 PM
    #16
    fibertop

    fibertop Well-Known Member

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    yep abs powering up
     
  17. Jan 24, 2010 at 7:29 PM
    #17
    F-125Racer

    F-125Racer Well-Known Member

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    Yup, it's the ABS. Cool noise too......
    Any passengers that ask, I tell them it's the ejection seat powering up.
     
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  18. Jan 31, 2016 at 6:51 AM
    #18
    Lester Lugnut

    Lester Lugnut Well-Known Member

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    An old thread, but I've been wondering what my 2015 Tacoma PreRunner V6 has been doing first thing in the A.M. - only does this when engine is cold.

    About 20-25 secs. after I start it up, I hear what sounds like someone clearing their throat. Lasts for all of 1 sec. My other Toyota vehicles ABS systems start talking when I put it in D and gently pull out - not during startup.

    I'm more suspicious of an air pump or secondary air injection. Will get a mechanics stethescope on it when I get a chance.
     
  19. Jan 31, 2016 at 7:42 AM
    #19
    car78412

    car78412 Well-Known Member

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    My truck makes the same sound. I think it's the electric air pump.
     
  20. Jan 31, 2016 at 7:56 AM
    #20
    TreyStewart

    TreyStewart Well-Known Member

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    What's the weird sound that they make when you turn them off? Mine makes this kinda electrical noise after the I cut off the engine
     
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