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Clicking sound coming from behind the dash

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by Chris Duncan, Nov 17, 2016.

  1. Chris Duncan

    Chris Duncan Junior Member

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    2005 Prius
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    My Gen 2 has recently started to produce a clicking sound behind the dash. In reading several posts people have complained about the climate control not be hot or cold. In my case the temperature seems normal but there is a clicking noise when the outside temp is similar to what the climate control temp is try to get to. I assume this noise is the blend door actuator trying to open or shut. Does anybody have any thoughts to help diagnose this and how to potentially fix it?
     
    #1 Chris Duncan, Nov 17, 2016
  2. caffreyp

    caffreyp New Member

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    IV
    I had the same issue with my 2008. I read in similar posts that noise was affected enabling re circulation mode, I tried that to no avail, but I was able to clear up the issue by briefly turning on the front window defrost mode. The noise was then absent and remained absent even after disabling defrost mode.
     
    #2 caffreyp, May 26, 2017
  3. JC91006

    JC91006 Senior Member

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    Check under your cabin air filter in the fan housing there might be some debris in there
     
    #3 JC91006, May 26, 2017
  4. Patrick Wong

    Patrick Wong DIY Enthusiast

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    One of the three servo motors which move the air flow doors probably has a problem.
     
    #4 Patrick Wong, May 26, 2017
    kiki likes this.
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