Forum Discussion
joshuajim
Jul 31, 2017Explorer II
Most vehicles these days run the trans fluid through the "air" cooler first and then through the radiator cooler. In this case, the air cooler might drop the temperature below radiator temp, but the radiator re-heats it. This is done for a reason that in the winter, the air cooler can overcool the fluid and that can be just as harmful to the trans as high temps.
Check your cooler line routing to see if this is the case. If so, the trans temp will run close to radiator temp.
Check your cooler line routing to see if this is the case. If so, the trans temp will run close to radiator temp.
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