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help-noise

Discussion in '4 Cylinder' started by diRtytRuk, Oct 8, 2011.

  1. Oct 8, 2011 at 3:43 PM
    #1
    diRtytRuk

    diRtytRuk [OP] New Member

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    Whats up forum, I need some help from the people that know their sht and have some experience with the guts under the hood.

    2 weeks ago I bought a 2011, 4cylinder, 4x4, Automatic, regular cab Tacoma. A couple days ago I noticed a noise.
    I start the engine - put it in drive and once it starts moving you can hear a noise that last about a second or 2 (pretty sure its comin from under the hood). It sounds like a noise a cat would make if ya step on its tail. Its quick, sounds like a unwinding noise. It only seems to happen after the cars in park, then I put it to drive and go. So basically every time I start the engine put it in drive, once i start moving it will happen. Everything about the truck seems fine and it its not interfering with the trucks power, its just the noise seems abnormal.
    Also it doesnt happen when I come to a stoplight and then go. Only after PARK to DRIVE then GO.

    Its been raining everyday so I thought maybe it was cuz of the rain and a belt was wet or something but its been dry for the past couple days and it still happens so I guess that idea is debunked.

    Anyway, The dealership I bought the truck is like 200 miles away, so before I panic and bring it back, I just wanna see if anybody knows anything before I take a trip back to the dealer. ...any ideas?
     
  2. Oct 8, 2011 at 3:49 PM
    #2
    TacoDawgfan

    TacoDawgfan Hunker Down You Hairy Dawg!

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    I had a similar question, but not coming from under the hood. The answers I got were the anti lock brake self check. Does it sound kinda like a hydraulic sound? A quick "zill" if you will.
     
  3. Oct 8, 2011 at 3:50 PM
    #3
    Chriskn1690

    Chriskn1690 Well-Known Member

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    I know what your saying, my truck does it too. Just from park to drive it makes this quick weird noise. Majority of the guys on here get the 4 cylinder Tacoma with the 5 speed, so it may be hard to get an answer for the question. But mine dies it too and its still running strong at 90k.
     
  4. Oct 8, 2011 at 3:54 PM
    #4
    St. Swervus

    St. Swervus Well-Known Member

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    Mine does that too. Been wondering what it was.
     
  5. Oct 9, 2011 at 2:00 AM
    #5
    diRtytRuk

    diRtytRuk [OP] New Member

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    Did it do it for as long as you can remember?

    If ya remember try it out in a lower gear and see if it happens. D,3,2,1. After park go right to 3 for take off n see what happens, see if you hear it.

    Im gettn the feeling its probably normal if youve been rolln like that for a while but either way Ill probably end up calln the dealer or askn a local mechanic if its anything I should worry about.
    -thX4daResponSe-
     
  6. Oct 9, 2011 at 6:20 AM
    #6
    Chriskn1690

    Chriskn1690 Well-Known Member

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    Yeah, my trucks always done it.I think it is normal. It's got to be a self check of some kind or something adjusting itself to get ready to go. It makes like someone above said, a quick 'zill' type noise that goes by in a second or two. I wonder if it only happens on the automatics? It could be a transmission type thing. I'm not sure, I wouldn't lose sleep over it, but if its going to make you feel better I would bring it to a shop that really knows Toyotas if anything.
     
  7. Oct 9, 2011 at 8:14 AM
    #7
    Midway

    Midway Active Member

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    Yep, Mine is a 2011 Reg-Cab 4x4 with automatic transmission, and does the same thing.
     
  8. Oct 9, 2011 at 8:26 AM
    #8
    Leggo

    Leggo slow is smooth, and smooth is fast.

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    It's the pressure vessel charging up for the ABS brake system. It's normal.
     
  9. Oct 12, 2011 at 4:29 PM
    #9
    diRtytRuk

    diRtytRuk [OP] New Member

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    I talked to a mechanic over the phone and he told me it was nothin outta the ordinary. - its the "ground wire".

    bottomline/its fine, but to the people that know their sht- Hows the ground wire explanation sound?
     
  10. Oct 12, 2011 at 4:32 PM
    #10
    whippersnapper02

    whippersnapper02 Well-Known Member

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    The sound is the ABS. It is normal operation. /end thread.
     
  11. Oct 12, 2011 at 4:34 PM
    #11
    horwitzs

    horwitzs Well-Known Member

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    I agree it's probably the ABS, but just for shits... did you buy it used? If so maybe it has a throttle body spacer?
     
  12. Oct 12, 2011 at 4:39 PM
    #12
    Toyota Tech31

    Toyota Tech31 Sometimes when I close my eyes, I can't see.

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    It's not the "ground wire", it is as previously stated by another member, the ABS performing a "self check". I get this queston quit often by new customers who think something is wrong, the system it activating all of the solenoids to verify proper operation so it knows nothing is wrong. Absolutely nothing to be concerned with.
     
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