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Sticky Tranny Shifter 2006 Auto 6 cyl.

Discussion in '2nd Gen. Tacomas (2005-2015)' started by over60, Dec 23, 2012.

Page 3 of 3
  1. Apr 5, 2014 at 5:43 PM
    #41
    over60

    #41
    over60 [OP] Over70 & still a "Grumpy Old Guy"

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    OK...I noticed that you said that you lubed the "switch" on the tranny...

    That is "EXACTLY" what fixed MY problem also.... Maybe WE have got this issue down to the real problem.... A dirty, and corroded, tranny electrical connection...??

    I have had NO problem since I sprayed that connection on the rear of the tranny...

    What ya think?
     
    over60, Apr 5, 2014
    #41
  2. Apr 5, 2014 at 6:43 PM
    #42
    gearcruncher

    #42
    gearcruncher Well-Known Member

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    And if you scroll down to page 15 on this PDF document , it shows the park neutral switch in question . Spray the heck out of it . Some guys actually have to replace the PRNDL switch becuase of corrosion .The PRNDL switch gets very tight when it corrodes http://www.toyotatundraforum.com/pdf/A750E.pdf

    When the switch is removed , you can spray the seal on the transmission that sits behind the switch to see if there are additional problems with the lever shaft since the lever shaft is also known to corrode . Once you have lubricated everything , work the lever back and forth with your hand . If it doesnt click through the detents with your hand , its still corroded and needs more lube . Both of these issues are very common .

    Below is the PRNDL switch TSB

    http://www.scribd.com/doc/18857706/TSB027709


    Considering the melted transmission shifter cable in this case is not the problem . If it were the issue , you would have replaced the cable by now as they seize solid and you smell burnt plastic immediately . It does happen mind you when grounds loose termination . 99 percent of the ground wires going from the transmission to the ECM are grounded through the body , not the battery
     
    Last edited: Apr 10, 2014
    gearcruncher, Apr 5, 2014
    #42
  3. May 3, 2014 at 1:15 PM
    #43
    Coolerman

    #43
    Coolerman Well-Known Member

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    My sticky shifter has been slowly getting worse, and this past week I actually had the truck refuse to start. It did start after I pushed on the shift lever. So it appeared the problem was the truck thought it wasn't in park. I was in for an oil change yesterday and it happened for the mechanic. He diagnosed the faulty park neutral safety switch to be the problem. Installed the new switch assembly part #
    $138 84540-04010 Neutral Switch Assembly
    84540-04010 ($258) and tada the problem is gone. Shifting is smooth as silk now. :)

    I should also note that my truck did occasionally throw the PO705 code which I believe does point towards the park neutral switch being the problem.
     
    Last edited: May 3, 2014
    Coolerman, May 3, 2014
    #43
    Benny123 and wmchenry02 like this.
  4. Oct 17, 2018 at 3:35 PM
    #44
    wmchenry02

    #44
    wmchenry02 Well-Known Member

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    How did you get the new one on there? Mine new one will not fit over the spindle. Do I take the middle part out where the nut is attached?

    Screenshot_20181017-183350_eBay.jpg
     
    wmchenry02, Oct 17, 2018
    #44
  5. Oct 29, 2018 at 10:01 AM
    #45
    wmchenry02

    #45
    wmchenry02 Well-Known Member

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    Do you know if this is the same part and will fit?
    AUTOKAY 84540-04010 Transmission Neutral Safety Switch Tested for Toyota Lexus Scion
    https://www.amazon.com/dp/B07BSCPGHR/ref=cm_sw_r_em_apa_i_uYZ1BbYSZJN4K
     
    wmchenry02, Oct 29, 2018
    #45
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Genuine Toyota (84540-04010) Neutral Switch Assembly
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