| Ok so I'm not really a fan of automatics- this is the first automatic I ever messed with: I have a 1990 automatic N/A that I converted to auto TT tranny. When shifting into 3rd it feels like it locks the torque converter immediately then lets go about a second after the shift (with the accelerator in the same position) then locks again when I ease up on the throttle. It almost feels like it shifts into 4th then back to 3rd then back to 4th again but I don't think that's what is happening because it acts the same with O/D off AND in 4th gear the tach reads much lower than when I first shift into 3rd. It does this no matter what temperature it is. It shifts correctly when I floor it (anything over ~75%) The motor is N/A and the differential is stock 4.08, the speed sensor is also N/A, The TCM is N/A, I tried the TT TCM but it waited too long to shift through the gears (my guess is the taller diff. gearing) and it still had the same 3rd gear lock/unlock issue. Things I already checked:
TPS adjustment
Tranny fluid level (with engine on and shifted through all gears of course)
No check engine codes
No TCM codes
TT TCM swapped in/out It is just annoying to me, my guess is the lock point for 3rd is jacked up since the N/A differential gives the engine less load at a certain speed. I would much rather keep this tranny and live with the problem instead of having the N/A tranny which is prone to fail. I would be more willing to trade someone their TT rear end for my N/A if it fixes the shift issue.
*disclaimer*: all that I say may be true or I may be completely wrong and I accept that.... please, it is your duty as another person on the internet to in-politely tell me how wrong I am :) "The dreaded 2nd windshiled wiper swipe when you turn it off its almost like tis showing you that it's boss, and it doesn't have to stop when you tell it to :("-College Boy (discussion on ptu relocation)
"No good reason to put it there anyway. -Bernie (NoVA)
False -vorpalZ
False. -Bernie (NoVA)
You're correct, there are 3 good reasons -vorpalZ
False. -Bernie (NoVA)
Wow, right again, just remembered another, make that 4 -vorpalZ"
XD 
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