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Thread: Allison shifting hard when cold

  1. #1
    fourtenposi Guest

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    I noticed recently that my 2005 GMC D/A has been shifting hard when it is cold. Truck has 10,000 miles, It has had the spin on filter replaced at 7500 miles. Is this something to worry about? I don't remember it doing it before. Isn't the computer the controls it suppose to compensate for the cold and make it shift the same whether hot or cold?

    Thanks

  2. #2
    fourtenposi Guest

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    Any Opinions???

  3. #3
    madmatt Guest

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    normal.

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