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2008 v6 auto - Hard 1-2 upshift

Discussion in 'Technical Chat' started by shampoop, Jun 1, 2020.

  1. Jun 1, 2020 at 5:03 PM
    #1
    shampoop

    #1
    shampoop [OP] Well-Known Member

    Joined:
    Feb 3, 2010
    Member:
    #30685
    Messages:
    620
    Gender:
    Male
    southwest WA
    Vehicle:
    08 tacoma extracab v6 auto trd offroad 4x4
    2008 v6 4x4 auto, only 120k miles, has had problem for a long time. Has a hard 1-2 upshift. It happens a lot. Seems to otherwise shift perfect. Sometimes seems to go away while towing. Almost always goes away below freezing temps. I've completely flushed the trans fluid, old stuff looked ok, new shocks and springs all around, greased every zerk fitting, doesn't feel like I have any driveline binding, cleaned the throttle body a few times, truck is all stock. Nothing seems to have affected it at all.

    Any ideas? This is getting really old.
     
    shampoop, Jun 1, 2020
    #1

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