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[4th Gen : 01-07]: Transmission oil leak

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Old Apr 5, 2018 | 02:14 PM
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Danny1976
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Default Transmission oil leak

I have a 2003 Dodge Caravan 2.4L. The transmission leaked from multiple places. It was leaking from the oil pan, transmission control module, and the third place is right below the control module. I redo the pan gasket, changed the TCM gasket and there is still a small leak. There are some screws below the TCM I think to calibrate the transmission and I see oil leaking from there. Is that possible and how can I stop the leak?

 

Last edited by Danny1976; Apr 5, 2018 at 02:40 PM.
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Old Apr 11, 2018 | 11:08 PM
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The "module" you resealed is the solenoid pack rather than the TCM. The screws you are referring to are pressure test taps for the various clutches in the trans and can be removed and a dab of liquid teflon added before reinstalling.
 
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Old Apr 12, 2018 | 10:53 AM
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Originally Posted by FCA Master
The "module" you resealed is the solenoid pack rather than the TCM. The screws you are referring to are pressure test taps for the various clutches in the trans and can be removed and a dab of liquid teflon added before reinstalling.
Thank you very much for the reply. I really appreciate your time and insight. Can I use teflon tape or should I get the liquid one? Could they have come loose and just need to be tighten? They are not screwed in all the way and I thought it was that way for calibration. I thought it was calibrated by tightening or loosening the screws and that why I did not want to mess with it.

 

Last edited by Danny1976; Apr 12, 2018 at 01:50 PM.
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Old Apr 12, 2018 | 06:31 PM
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They are small pipe plugs, so they should seal better the more they are tightened. I only suggest the liquid Teflon as the plugs are so small. You technically shouldn't even need it, but I hate comebacks.
 
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Old Apr 13, 2018 | 03:22 PM
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I did the teflon on the bolts, degreased and cleaned the area and ran the car. I saw where the oil was coming from and it was from the Solenoid pack where the metal meets the plastic. I sealed the crack with JB-Weld. Will see once its dried to see if the leak stopped.
 

Last edited by Danny1976; Apr 13, 2018 at 08:09 PM.
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