Tranny Question about a knock at cold startup
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Cadillac Escalade, EXT and ESV Forum - 1999 - 2006 Discussion, Tranny Question about a knock at cold startup in Cadillac Escalade Forums; On my 05 ESV I have noticed over the past few years that on cold startups, especially on cold days ...
  1. #1
    ripfiredog is offline Cadillac Owners Member
    Automobile(s): 2005 escalade esv
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    Jan 2010
    Location
    altamonte springs
    Age
    40
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    Tranny Question about a knock at cold startup

    On my 05 ESV I have noticed over the past few years that on cold startups, especially on cold days the tranny will knock hard almost like it is drained of fluid and then suddenly engages all at once. It is not always bad but noticed at all cold starts. Once the vehicle is running it will not do it again unless you let it cool for a while. I was told from a friend that it has a power boost system and he believes that when it starts it is just the awd engaging. It sounds kinda fishy because no answer should start with "its kinda like". I am hoping that this is normal on AWD because this is my first AWD vehicle. If anyone can tell me if its worth diagnosing or just normal I would really love the help.

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  3. #2
    Old Guy is offline Cadillac Owners Fanatic
    Automobile(s): 03 Tahoe... sold 05 ESV
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    Re: Tranny Question about a knock at cold startup

    I get the same thing... its kinda like your shifting it in and out of gear really quick when you first start it up. And yeh it only happens after its sat for a coupe days or so. IDK what it is but I have learned to ignore it. It hasnt been any different for awhile so whatever.

  4. #3
    ripfiredog is offline Cadillac Owners Member
    Automobile(s): 2005 escalade esv
    Join Date
    Jan 2010
    Location
    altamonte springs
    Age
    40
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    10
    Thread Starter

    Re: Tranny Question about a knock at cold startup

    Yea i think it is more annoying than anything. Thanks for the info.

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