4l60E Transmission Temperture?

Usually about 70 cooler than the engine, unless its around 100 degrees outside. Then it's closer to 50 degrees below
 
Mine runs around 150 in cooler weather, and 180-190 during the summer. I need a trans cooler though.
 
hottest i can get mine to run is 140 with a converter,if its cold,trans temp wont even come off 100degrees on cluster,and its accurate,ive checked it with multiple scan tools
 
Hottest I have ever seen mine get was around 190. It usually ran about 170-180 in the summer time though, and about 150-160 in the winter.
 
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