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2G torque converter lockup

Posted by brian102, Feb 6, 2012

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  1. brian102

    brian102 Proven Member

    138
    0
    Joined Nov 6, 2010
    coldwater, Michigan
    For some reason the torque converter is taking forever to lockup. What controls this is there a temperature sensor or something? It seems to lockup alot sooner if its warm out but still take around 20 minutes of driving. Brand new filter and trans fluid.
     

    236  0

    1995 Eagle Talon TSi AWD
    · 2G DSM
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  2. jed344

    jed344 Proven Member

    563
    24
    Joined Jan 10, 2008
    Waterville, Iowa
    I'm not very familiar with dsm auto transmission but. I do have a built auto with tripple disc converter in my cummins i understand lock up and what not. Isnt lockup controlled by the valve body and the line pressure? Also is it possible to put a lockup switch in a dsm like i have in my cummins?
     

    845  26

    1997 Mitsubishi Eclipse GSX
    awd · manual · 2G DSM
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  3. brian102

    brian102 Proven Member

    138
    0
    Joined Nov 6, 2010
    coldwater, Michigan
    I would love to know how its controlled.
     

    236  0

    1995 Eagle Talon TSi AWD
    · 2G DSM
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  4. bmxfelon420

    bmxfelon420 Proven Member

    542
    61
    Joined Sep 6, 2005
    Napoleon, Ohio
    Bump, my car does this when cold as well. Also sometimes it unlocks on me, but thats very very rare.
     

    Street Build 4K  21

    1998 Mitsubishi Eclipse GSX
    11.87 @ 115 · 2G DSM

    Street Build 734  0

    1995 Eagle Talon TSi AWD
    automatic · 2G DSM
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  5. CrackedDSM

    CrackedDSM Proven Member

    808
    290
    Joined Dec 17, 2009
    Oak Ridge, North Carolina
    There is a lockup solenoid for 2Gs that controls converter lockup. If you search "kiggly shifter mod", the picture that kiggly has detailing what wires to cut and where the resistors go, shows you what wire color the lockup solenoid is.
     

    88  3

    2015 Ford Edge Sport
    awd · automatic · Misc Vehicles

    Street Build 4K  0

    1995 Eagle Talon TSi AWD
    automatic · 2G DSM
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    bmxfelon420 likes this.
  6. bmxfelon420

    bmxfelon420 Proven Member

    542
    61
    Joined Sep 6, 2005
    Napoleon, Ohio
    Thats actually very helpful, I wonder if the solenoid sticks in the cold or something. Ill look into it further, I was also looking into getting a thermostat for the transmission cooler to help it warm up faster.
     

    Street Build 4K  21

    1998 Mitsubishi Eclipse GSX
    11.87 @ 115 · 2G DSM

    Street Build 734  0

    1995 Eagle Talon TSi AWD
    automatic · 2G DSM
    Loading...
  7. CrackedDSM

    CrackedDSM Proven Member

    808
    290
    Joined Dec 17, 2009
    Oak Ridge, North Carolina
    It's very possible it could be sticking due to cold. These cars are getting up there in age, and electronics/solenoids don't last forever. It could also be a deeper internal transmission problem, but hey...always start with the simple stuff.
     

    88  3

    2015 Ford Edge Sport
    awd · automatic · Misc Vehicles

    Street Build 4K  0

    1995 Eagle Talon TSi AWD
    automatic · 2G DSM
    Loading...
  8. bmxfelon420

    bmxfelon420 Proven Member

    542
    61
    Joined Sep 6, 2005
    Napoleon, Ohio
    Id hope it isnt wear, the car has 106k on it and was completely stock for the first 104k. It at least works, unlike my Talon which never had functioning lockup. Ill look into it further, maybe see if i can wire a test light to it or something to see if its getting the signal at least. Eliminate wiring/tcu as an issue.
     

    Street Build 4K  21

    1998 Mitsubishi Eclipse GSX
    11.87 @ 115 · 2G DSM

    Street Build 734  0

    1995 Eagle Talon TSi AWD
    automatic · 2G DSM
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    CrackedDSM likes this.
  9. rEclipserGST

    rEclipserGST Proven Member

    1,566
    50
    Joined Nov 17, 2007
    Columbus, Ohio
    Is it a Clunk or a Bump?
    Does it happen only during cruising? Or also during deccel or accel?

    Have you checked your trans mounts? Engine mounts? Driveshaft carrier bushings? U-joints?

    Trans fluid? Trans filter?
     

    Street Build 680  25

    1995 Eagle Talon TSi AWD
    187 whp · 200 lb/ft · 2G DSM
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