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need trans advice - new solenoids or shift kit (or both)?

mjgrantham2003

New member
I have a 2001 4T65E, 200k + miles. Delayed 1-2 shift and decent 3-4 shift. No 4th due to stripped 4th splines (I'm quite sure-rpm's drop to idle when letting off gas). After awhile it goes to hard shifts but can remain in normal pressure mode with soft shifts for a long time. No noticeable slipping. To give the trans a couple more years of use, I would like to replace the 4th hub myself, and while it's open I'm considering replacing all the solenoids, definitely the PCS. If I do this, would a shift kit on top of new solenoids be beneficial? Help in any way or hurt?

Thanks!!!
 


I tried to find an exploded view of the trans (using my phone) but couldn't find one that clearly shows where the input clutch/piston is. If I could easily get to it while replacing 4th hub maybe I'd do it, but I'm certain so many other things are worn it wouldn't be worth the effort. I wish I had the time and means to completely rebuild, more for learning than anything since the vehicle is pretty rusted. I'm just trying to make it fully functional so I can sell it.
 
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