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Thread: 2005 6-speed auto

  1. #1
    Join Date
    Aug 2003
    Location
    Battle Creek, Michigan
    Posts
    1,578

    2005 6-speed auto

    The 6-speed in my 2005 Montego has been experiencing hard downshifts recently. Only after it's warmed up, and mostly at lower speeds. Sometimes it really bangs into gear, and may shudder approaching stops. Are these signs of impending doom?
    1963 Marauder S-55, Super Marauder 406
    Only factory 406 powered Marauder, and earliest built Marauder documented to still exist.
    https://sites.google.com/a/wmich.edu/supermarauder/
    ______________________________ _____________

    First retailed 2003 Marauder
    Bought 6 June 2002
    #168

  2. #2
    Join Date
    Sep 2006
    Location
    Psych ward
    Age
    53
    Posts
    1,081
    You sure it's a 6 speed, maybe a 5 speed auto trans, 6 speed wasn't out till 2010.
    • 82 GT coyote swap started
    • 03 300a Marauder, stroked,cammed,T/S Trilogy Supercharged # 216,Best Et 10.77@129.72 on slicks, 93 pump gas. driven to the track.
    • 2011 GT 500, 3.4 whipple,93 pump gas,10.47@133,Driven to the track.
    • 2003 azura blue Mach 1, cobra motor,2.9 Whipple,crusher inlet,built 4r70w trans,04 IRS rear.full weight street car, Corn Fed

  3. #3
    Join Date
    Aug 2003
    Location
    Battle Creek, Michigan
    Posts
    1,578
    Everything I have, or can find says it's a 6-speed
    1963 Marauder S-55, Super Marauder 406
    Only factory 406 powered Marauder, and earliest built Marauder documented to still exist.
    https://sites.google.com/a/wmich.edu/supermarauder/
    ______________________________ _____________

    First retailed 2003 Marauder
    Bought 6 June 2002
    #168

  4. #4
    Join Date
    Jun 2017
    Location
    Oxford, PA
    Posts
    459
    I have a 2010 Milan, had a rough shift, I drained and refilled the transmission fluid, shift issue went away. It was Mercon LV fluid and IIRC about 3 qts came out. Have to take off the plastic shroud then it is easy as an engine oil change. No filter to change.

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