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Thread: 1994 Plymouth Voyager transmission

  1. #1
    gtb
    Guest gtb's Avatar

    Default 1994 Plymouth Voyager transmission

    94 Plymouth Voyager 3.3L

    When coasting downhill at 50 MPH or so in overdrive the engine speed
    drops below 1000 RPM and then the transmission jerks into 3rd gear.
    Shop replaced transmission with a used one but it started doing the
    same thing in a few days. Seems like there must be an external cause
    such as bad info going into transmission computer. Does this
    transmission have any vacuum control at all?

    Otherwise it is fairly smooth, accelerates fine, no worn out disc
    symptoms. Problem virtually goes away in sub-freezing weather even
    driving 40+ miles.

    Your thoughts please.

    Thanks,

    john

    When coasting downhill at 50 MPH or so in overdrive the engine speed
    drops below 1000 RPM and then the transmission jerks into 3rd gear.
    Shop replaced transmission with a used one but it started doing the
    same thing in a few days. Seems like there must be an external cause
    such as bad info going into transmission computer. Does this
    transmission have any vacuum control at all?

    Otherwise it is fairly smooth, accelerates fine, no worn out disc
    symptoms. Problem virtually goes away in sub-freezing weather even
    driving 40+ miles.

    Your thoughts please.

    Thanks,

    john

  2. #2
    Leviathan
    Guest Leviathan's Avatar

    Default 1994 Plymouth Voyager transmission

    Are you using the Cruise Control when this happens?

    "gtb" <goodTweetieBird@...........m> wrote in message
    news:2768b1a0-106b-42a5-a1bc-e929a312901d@w35g2000yqm..............com...
    > 94 Plymouth Voyager 3.3L
    >
    > When coasting downhill at 50 MPH or so in overdrive the engine speed
    > drops below 1000 RPM and then the transmission jerks into 3rd gear.
    > Shop replaced transmission with a used one but it started doing the
    > same thing in a few days. Seems like there must be an external cause
    > such as bad info going into transmission computer. Does this
    > transmission have any vacuum control at all?
    >
    > Otherwise it is fairly smooth, accelerates fine, no worn out disc
    > symptoms. Problem virtually goes away in sub-freezing weather even
    > driving 40+ miles.
    >
    > Your thoughts please.
    >
    > Thanks,
    >
    > john

  3. #3
    jh
    Guest jh's Avatar

    Default 1994 Plymouth Voyager transmission

    On Mar 6, 3:19.pm, "Leviathan" <leviat...@q.com> wrote:
    > Are you using the Cruise Control when this happens?
    >
    >


    Sorry, didn't see your post at first. Cruise control was on but not
    engaged.

    jh

  4. #4
    Leviathan
    Guest Leviathan's Avatar

    Default 1994 Plymouth Voyager transmission

    O.K. Thought it was downshifting and using the engine as a brake to slow
    down.

    "jh" <jvh75021@..........> wrote in message
    news:0afcfab9-096d-477d-88d6-594608841194@m4g2000vbp..............com...
    > On Mar 6, 3:19 pm, "Leviathan" <leviat...@q.com> wrote:
    >> Are you using the Cruise Control when this happens?
    >>
    >>

    >
    > Sorry, didn't see your post at first. Cruise control was on but not
    > engaged.
    >
    > jh

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