03 CTS 3.2 automatic shudders when accelerating
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Cadillac CTS First Generation Forum - 2003 - 2007 Discussion, 03 CTS 3.2 automatic shudders when accelerating in Cadillac CTS Coupe, Sport Sedan and Sport Wagon Forums; Hello All, I have a 03 CTS, automatic, with 200K miles on it. I have an issue with my car ...
  1. #1
    gdwatson is offline Cadillac Owners Member
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    May 2011
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    03 CTS 3.2 automatic shudders when accelerating

    Hello All,

    I have a 03 CTS, automatic, with 200K miles on it. I have an issue with my car shuddering/vibrating when shifting from 1st to 2nd & 2nd to 3rd. This shudder only happens when I accelerate, and seems to occur when the car is shifting gears. The shudder has never occurred in any other gear. The shudder lasts for a little over a second, and is more violent when stepping on the gas hard.

    Any thoughts?

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  3. #2
    hrpatel17926 is offline Cadillac Owners Fanatic
    Automobile(s): 2007 CTS, 2007 ESV
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    When was the last time you changed the fluid and filter? If its been more than 75-100k i would start there

  4. #3
    gdwatson is offline Cadillac Owners Member
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    Re: 03 CTS 3.2 automatic shudders when accelerating

    It has been around 70K from the last time I changed out the fluid and filter. However, I have been told that changing the fluid when things are going wrong can make the issue even worse? I suppose it has to get changed at some point though...

  5. #4
    Leects07's Avatar
    Leects07 is offline Cadillac Owners Member
    Automobile(s): 07 cts sport/luxury pkg
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    Re: 03 CTS 3.2 automatic shudders when accelerating

    Normally when they say don't change the fluid . Is mostly on high mileage transmissions that have not been serviced . As the dirty fluid contains clutch particles from the clutches and aids in giving friction on the clutch packs ...if you were to flush this worn well used metallic fluid and add new fluid the detergent probabilities of new fluid would cause the clutches to slip .., causing the trans to go down hill quick .

    If you have been servicing yours and the fluid is not black or metalic ish . Or burnt smelling I'd change it and the filter a clogged filter can lower trans operating pressures

  6. #5
    rb0757 is offline Cadillac Owners Member
    Automobile(s): Cadillac
    Join Date
    Sep 2006
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    75

    Re: 03 CTS 3.2 automatic shudders when accelerating

    Take a look at the driveshaft rubber donut sounds like it might be coming apart

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