About 200 degrees is normal
195 to 210 Degrees is normal.
what is normal operating temp.
That is because the seals that are in the transmission are hard when the trans. is cool and as the transmission fluid heats up the seals soften up and expand which stops the fluid from leaking past the seals and the trans, acts normal. IT is time for a rebuild.
Normal around 210
205 is the highest acceptable operating temp. aluminum head will sause eng . to operate slightly cooler at combustion chambers ..not noticeably different at gauge.
210
200
I take it you are referring to a civilian HMMWV? I know the operating temp for the military counterpart is 180deg F.
there is no gauge that shows trans temp, but there is an indicator light on instrument panel that will light up "trans temp" if abnormal
Take temperature at radiator when at normal operating temp. to confirm that it is overheating
196 degrees Fahrenheit.
195 to 210 degrees is NORMAL operating temperature.