So we're back on the road with our travel trailer today and I finally have my torque app up and running. This past week during normal driving, everything was fine and the oil temp ran around 10°F lower than the coolant temp and once in a while it matched the coolant temp. This morning while towing the trailer (4500 lbs) I see the oil temp running higher than the coolant and staying higher. With all of the talk about the transmission issues, I expected the trans to be running hotter than it does, but not the engine oil. Is anyone running an aftermarket oil cooler for towing or is anyone even monitoring oil temps?
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