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Getting a loud ticking sound only when the heater knob is turned past half way mark

Discussion in '2nd Gen. Tacomas (2005-2015)' started by shiftmx731, Mar 29, 2012.

  1. Mar 29, 2012 at 1:01 PM
    #1
    shiftmx731

    shiftmx731 [OP] New Member

    Joined:
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    Male
    Vehicle:
    06 PreRunner
    Bilstein 5100s
    I have a 2006 Prerunner extra cab, 70k miles.

    The weirdest thing happened today. I started my truck as always and this loud ticking sound seemed to be coming from the glove box. I thought maybe something got caught. I turned the car off and back on with nothing changed.

    The loud ticking sound continued until I turned off my heater. I then realized that if the dial is turned to AC the sound is gone. I turn the dial to heat and not until Im at the half way mark between warm and hot does the ticking sound start back up. As a temporary fix Im just not turning my heater on full blast.

    The ticking is so loud that when I put my hand against the center console I can actually feel the vibrations from the ticking.

    What could this be? and how do I fix it!????
     
  2. Mar 29, 2012 at 1:02 PM
    #2
    nfs257

    nfs257 Well-Known Member

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    Menifee, Ca
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    09 DCLB PreRunner MGM SR5 Debadged
    Trac Performance built Prerunner
  3. Mar 29, 2012 at 1:04 PM
    #3
    ruggedT

    ruggedT The Sticker Guy Vendor

    Joined:
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    Midlothian, Va
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    Icon, 35's, skids, ect
    Pull your cabin air filter. Probably a leaf or somthing hitting the fan blade
     
  4. Mar 29, 2012 at 1:14 PM
    #4
    shiftmx731

    shiftmx731 [OP] New Member

    Joined:
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    06 PreRunner
    Bilstein 5100s
    Yeah it has nothing to do with the setting of the blower, just the heat/ac dial.

    I hear the same clicking sound when the knob is turned to heat regardless if I have the blower on low or high.
     
  5. Mar 29, 2012 at 1:15 PM
    #5
    TurboGT

    TurboGT Stirring the pot since...

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    Gabe
    Portland
    Vehicle:
    '06 DC LB 4x4
    OME lift w/ Dakars & 885's Remote Start w/ window control
    I had a similar issue with my old corolla... turns out I had a mouse in the blower.

    I had talked to a buddy of mine who works for Toyota about my issue - I didn't believe him when told me that mice were notorious for getting in there...

    30 mins later I sent him a pic of the mouse with a caption of "I hate it when you're right"
     
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