Won't Shift Out Of First Gear
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Cadillac DeVille 1985 to 2005 including:
1985-1992 Fleetwood, 1993 Sixty Special, All FWD Forum Discussion, Won't Shift Out Of First Gear in Past Cadillac Vehicle Discussion; earlier this morning it worked i dropped the wife at work and went to go home and noticed my car ...
  1. #1
    domac89 is offline Cadillac Owners Member
    Automobile(s): 1994 Deville Sedan base w/4.9 w/ approx. 215k
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    Won't Shift Out Of First Gear

    earlier this morning it worked i dropped the wife at work and went to go home and noticed my car wouldnt shift out of first gear, pulled the code and got a neutral safety switch, I just replaced the nuetral safety switch and still cant shift out of 1st gear, I can reverse and it hits all the gears when i shift but when i hit the gas nothing happens except when in drive when i can actually move, however i cannot get it past 27 mph. I dont know what to do, could a bad vacuum line be the cause i hear what sounds like hissing from a punctured tire when the car runs. Need serious help!!!!

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  3. #2
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
    Automobile(s): White Diamond '03 DHS (with DTS floor shift)
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    Re: PLEASE....need help!

    You might locate and repair that vacuum line first.

    P.S.
    I'm going to edit your title. "PLEASE....need help!" is not very descriptive.

  4. #3
    M3GATR@N's Avatar
    M3GATR@N is offline Cadillac Owners Fanatic
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    Time for a tranny rebuild?

  5. #4
    MoistCabbage's Avatar
    MoistCabbage is offline Cadillac Owners 10000+ Posts
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    If this is about the '94 in your profile, the transmission isn't vacuum controlled.

    So the transmission will shift through all fears if you shift manually?

  6. #5
    stoveguyy is offline Cadillac Owners Connoisseur
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    Re: Won't Shift Out Of First Gear

    4.9 has 4t60e trans. with 215k miles? a bad neutral selector switch would probably cause no start/crank, vs no shift.

  7. #6
    domac89 is offline Cadillac Owners Member
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    Thread Starter

    Re: Won't Shift Out Of First Gear

    I can feel all the gears catch when i shift manually but still cant get past approx. 30 mph I can reverse just fine and can accelerate but when i hit 25 it starts winding down and loses power if i get rpms above 2200 it loses it grip so to speak and I can feel it slide back to nuetral but if i shift back to drive it wont catch so i have to turn off the car put it in park and start it and reshift all over.

    ----------

    I think you might be correct as much as my wallet will not like it one bit.

  8. #7
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
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    Re: Won't Shift Out Of First Gear

    Quote Originally Posted by domac89 View Post
    still cant get past approx. 30 mph I can reverse just fine and can accelerate but when i hit 25 it starts winding down and loses power if i get rpms above 2200 it loses it grip so to speak
    Have you ruled out a clogged CAT?

  9. #8
    bigm57ict's Avatar
    bigm57ict is offline Cadillac Owners Connoisseur
    Automobile(s): 1995 Sedan DeVille, 1979 Coupe deVille
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    Smile Re: Won't Shift Out Of First Gear



    This doesn't sound like a transmission problem. If you're hitting 25 mph in first gear, your engine would be screaming by then.
    Are you sure it is not shifting?

    Sounds more like a power loss issue.

    ----------

    Quote Originally Posted by domac89 View Post
    I can feel all the gears catch when i shift manually but still cant get past approx. 30 mph I can reverse just fine and can accelerate but when i hit 25 it starts winding down and loses power if i get rpms above 2200 it loses it grip so to speak and I can feel it slide back to nuetral but if i shift back to drive it wont catch so i have to turn off the car put it in park and start it and reshift all over.
    Okay, now that I reread your post, I'm not so sure.
    What do you mean, when you shift manually? How do you do that?

    Have you checked your transmission fluid level?

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