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Any idea what this noise could be?

Discussion in '1st Gen. Tacomas (1995-2004)' started by ltdpilot, Mar 30, 2024.

  1. Mar 30, 2024 at 3:00 PM
    #1
    ltdpilot

    ltdpilot [OP] Well-Known Member

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    Started hearing a faint ticking noise when the engine is running at idle after it has warmed up. Under the hood it's louder by the left side of the engine (left as when sitting in the driver's seat). Any idea what this could be?

    Video:
    https://photos.app.goo.gl/zNfbyJvcFfJ87kRf6
     
    US Marine likes this.
  2. Mar 30, 2024 at 3:29 PM
    #2
    ltdpilot

    ltdpilot [OP] Well-Known Member

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    Could it be the VSV? I replaced that about 1000 miles ago.
     
  3. Mar 31, 2024 at 8:11 AM
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    ztwatson

    ztwatson Well-Known Member

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    I have a similar sounding tick coming from my engine. I believe exhaust leaks can also make a similar noise that sounds a bit like a solenoid. Might be worth looking into. But the VSV or other solenoid would be a likely culprit.
     
    ltdpilot[OP] likes this.
  4. Mar 31, 2024 at 11:54 AM
    #4
    Av180r

    Av180r Well-Known Member

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    Did you connect the vacuum hoses to the new VSV correctly? I only ask because I replaced mine, and mixed up two vacuum lines.. it would tick loudly at idle.
     
    ltdpilot[OP] likes this.
  5. Mar 31, 2024 at 11:58 AM
    #5
    ltdpilot

    ltdpilot [OP] Well-Known Member

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    Hmm, that's something I will check, I don't *think* I messed it up, but who knows haha.

    Anyone have a picture or diagram showing it correct?
     
  6. Mar 31, 2024 at 12:07 PM
    #6
    Av180r

    Av180r Well-Known Member

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    There should be a sticker on the underside of your hood above the driver's side that shows the routing of those vacuum lines.
     
    ltdpilot[OP] likes this.
  7. Mar 31, 2024 at 12:11 PM
    #7
    Av180r

    Av180r Well-Known Member

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  8. Mar 31, 2024 at 12:14 PM
    #8
    ltdpilot

    ltdpilot [OP] Well-Known Member

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    Thank you!
     
  9. Apr 2, 2024 at 5:48 AM
    #9
    ltdpilot

    ltdpilot [OP] Well-Known Member

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    Confirmed it is the VSV by holding my finger on it. I only had a second to check so didn't check hose routing, gonna do that next opportunity.
     

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