there isn't one!
the cooler is part of the radiator.
If it is a manual transmission you do not have transmission cooler lines. If its an automatic they will be on one side of the radiator and you can follow them to the tranny from there.
Th700r4
No, the rear section is different.
You did not say what the year of the 2500 was. Need to know.
75w or higher gear oil
5 QTS. with a new filter. Some hold 6 qts. start with 5 first.
Low coolant? Radiator plugged or air flow restricted? Transmission cooler line crimped , plugged or disconnected?
The governor is stuck.
Must be transmission fluid leak somewhere, and it's getting fluid on the exhaust. I'd be looking at the lines to the cooler first.
Nadine Sierra was born in 1988.
700r4 82-87, 4L60 88-92