I need some wisdom. I had my trans rebuilt about 10k miles ago, not because I had to but because it was out and I am going top to bottom on it. SInce I put it back in, it intermittently slips in 4th around 200-300 rpms. It has gotten hot a few times driving on the hwy and it puked trans fluid once. I keep getting a check engine light for 3rd trans circuit lock up. I can't remember the code number the shop told me but it's tellng me that the torque conv is slipping. THe shop "said" they replaced the selenoid it referenced but that did not fix it. What else could it be? The shop is going to pull it out on Monday to check everything on the rebuild and get another torque conv. Has anyone else had this problem?