Most likely the transmission "valve body" or a leaky internal seal. None of the items you mentioned would keep the transmission from going into Drive.
how to drai torque converter on 1999 chevy blazer
The best torque converter is one that is custom built to suit the intended application.
You need to separate engine and transmission. Then torque converter just pulls of tranny.
Torque converters cannot be serviced as they are welded together, the only way to fix them is to remove the transmission and torque converter and replace the torque converter.
NO.
Consult the converter manufacturer of your choice for a recommendation based on your application.
12, to 1400 rpm.
It is inside of the transmission.
Locks up the torque converter.
torque converter
It's inside the transmission (between the engine and the gears).
no