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Ran it hard today to do some diagnostics and testing. Went over the whole thing with a thermal imager. Showing equal temps at the heat exchanger under the radiator. I almost feel like this is to get the trans up to temps in the cold. With the engine running at 180-190 degrees, trans cooler temp...

Thanks for the response. That gives me some clarity before I get this pulled in the shop. So you’re saying the trans fluid and coolant go to some type of mixer to equalize temp? That would make sense to me now that the trans fans are controlled by the engine fan.

Thanks for the replies. Found out the aux fan comes on with the engine fan which didn’t work well because my engine temp was fine when my trans was running hot. Planning on adding a temp switch to the trans line somewhere and having the trans fans turn on independently, and with the engine fan...

Newly acquired truck. Haven’t driven it much and haven’t gotten a chance to tackle the manual yet. Drove it today for about 30 minutes then the trans temp light came on. Neither cooling fan was on and no power at the connector. Trans and cooler were hot. Shut the truck down. Turned the ignition...