Torque Converter Problems!!! Please Help!!!!!
Here is the the story. I found this 98 taurus for $750, and guess what was wrong with it, yes it was the transmission. Anyway I thought it was a good deal, so I bought it. I tore the tranny down and the pump had exploded into a million pieces. I got a new valve body/pump and did a full rebuild. I put the tranny back in the car and the torque converter kept disengaging and engaging. So I did a little research and the valve body the transmission shop sold me was for a 97, so it had the wrong torque converter solenoid. I put the right solenoid in and everything worked fine. Except, this is where it gets kind of wierd, when you turn on the A/C, defroster, floor/vent the torque converter disengages and engages every 20-30 seconds, kind of like cycling. I did not drive this car before I bought it so this could of been a previous problem, maybe the cause of the pump falure. If the switch is in any other position everything works fine. How are the selector switch and the torque converter solenoid related? The only thing that I can think of is that I may have damaged the ECM, the resistance on the solenoid for the 97 was 1.2 ohms and the 98 solenoid was 14.7 ohms. No codes are coming up with snap-on scanner. I would appreciate any help or ideas. Thanks