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Thread: Is it supposed to do that?

  1. #1
    Join Date
    May 2019
    Location
    Kansas City, MO
    Age
    55
    Posts
    19

    Is it supposed to do that?

    Hey guys, the trans in my 2003 MM shifts thru 1-3 before I hit 40 MPH, then as I build up speed goes into OD. Is that normal during everyday driving? Or is my tranny crying for attention?
    It downshifts fine for passing on the highway and seems to shift fine when I accelerate fairly hard. Reverse is fine also.
    This is my first Marauder so just asking what is considered "normal". It's got 111k on it.

  2. #2
    Join Date
    Jan 2003
    Location
    Hiram, Georgia
    Age
    61
    Posts
    17,780
    The Ford shift schedule sucks. That’s why it does this.

    I sell tuning that will cure this problem.

  3. #3
    Join Date
    May 2019
    Location
    Kansas City, MO
    Age
    55
    Posts
    19
    Ohhh ok I see so it's not really a "problem" Problem just a factory performance issue?

  4. #4
    Join Date
    Jun 2011
    Location
    Northeast OH
    Posts
    7,999
    It was done for mileage for Ford's numbers. Get the tune from Marty, it will waken the car right up.
    2004 SB Ported Trilogy 48
    Has supporting mods and stuff
    Thanks to Marty O for his help in updating this car.

    R.I.P.
    Rex "SC Cheesehead"

  5. #5
    Join Date
    May 2019
    Location
    Kansas City, MO
    Age
    55
    Posts
    19
    Outstanding thank you very much for the advice!

  6. #6
    Join Date
    Aug 2017
    Location
    Texas
    Posts
    261
    I highly recommend Marty's tune well worth the $

  7. #7
    Join Date
    May 2009
    Location
    Moreau Island
    Posts
    12,207
    Yes it's normal. Get a tune and make it better!

  8. #8
    Join Date
    May 2019
    Location
    Harrisburg, NC
    Age
    53
    Posts
    364
    It's been so long since I had mine tuned that I totally forgot about how 'wonky' the shifting was...lol.

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