Stiff Shifter Diagnosis Help
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Cadillac DeVille 1985 to 2005 including:
1985-1992 Fleetwood, 1993 Sixty Special, All FWD Forum Discussion, Stiff Shifter Diagnosis Help in Past Cadillac Vehicle Discussion; Found a couple of threads but nothing too specific. This happened before but it went away on its own, and ...
  1. #1
    Eninety2 is offline Cadillac Owners Fanatic
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    Stiff Shifter Diagnosis Help

    Found a couple of threads but nothing too specific. This happened before but it went away on its own, and now its back. Might also have to do with the fact that both times it started was after a long period of unuse as the car was parked for months at a time.

    I stuck my head under the column but could not find anything to lubricate. I'm sure its there, just not too sure what I'm looking for.

    This is the linkage under the hood, I was going to disconnect it to see if it was the handle or the linkage itself but I don't know how it comes apart.

    Any input would be appreciated.


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  3. #2
    Aztec ETC ECS's Avatar
    Aztec ETC ECS is offline Cadillac Owners Connoisseur
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    Re: Stiff Shifter Diagnosis Help

    Probably the cable seizing up. It pops right off with a screwdriver at the plastic grommet. I may break when you pop it off. A new cable will have a grommet on it if it should break.
    You can also take the nut off to check it.
    The neutral switch can also make the linkage tight.
    You will be able to determine when disconnected.

  4. #3
    Eninety2 is offline Cadillac Owners Fanatic
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    Re: Stiff Shifter Diagnosis Help

    Quote Originally Posted by Aztec ETC ECS View Post
    Probably the cable seizing up. It pops right off with a screwdriver at the plastic grommet. I may break when you pop it off. A new cable will have a grommet on it if it should break.
    You can also take the nut off to check it.
    The neutral switch can also make the linkage tight.
    You will be able to determine when disconnected.
    I'm guessing the plastic grommet is on the right and the nut you speak of is on the left?


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    Aztec ETC ECS's Avatar
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    Re: Stiff Shifter Diagnosis Help

    Yes.

  6. #5
    Eninety2 is offline Cadillac Owners Fanatic
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    Re: Stiff Shifter Diagnosis Help

    Quote Originally Posted by Aztec ETC ECS View Post
    Yes.
    When I took that pic I moved the slack on the shfter cable around just to get a better view of things. When I got in to leave the shift was much better. Now this morning its back to being stiff, althugh not as stiff as before.

  7. #6
    Submariner409's Avatar
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    Re: Stiff Shifter Diagnosis Help

    Carefully pop the cable end off the transmission lever. If the shifter cable is clipped to the throttlebody or elsewhere, unclip that. Stand the cable up vertically with the slide/ball end up. Tediously trickle 10 drops of multigrade engine oil down the exposed rod and let it run into the cable jacket overnight.

    With the transmission shift lever shown, I believe that the mode switch is attached to the internal lower valve body. It's called Internal Mode Switch (IMS). Earlier units had the switch as part of the external shift lever/cable attachment ball.

    EDIT: Hit the shifter ball end with a shot of WD-40 before you try to pop it apart.

  8. #7
    Eninety2 is offline Cadillac Owners Fanatic
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    Re: Stiff Shifter Diagnosis Help

    Quote Originally Posted by Submariner409 View Post
    Carefully pop the cable end off the transmission lever. If the shifter cable is clipped to the throttlebody or elsewhere, unclip that. Stand the cable up vertically with the slide/ball end up. Tediously trickle 10 drops of multigrade engine oil down the exposed rod and let it run into the cable jacket overnight.

    With the transmission shift lever shown, I believe that the mode switch is attached to the internal lower valve body. It's called Internal Mode Switch (IMS). Earlier units had the switch as part of the external shift lever/cable attachment ball.
    Going to try that tonight, thanks!

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