After a full service on my 3000mh transmission I have fluid coming out of the breather. I checked level with keypad and is says ol ok. Transmission fluid temp around 190. The transmission was not leaking before service. It shifts ok but why would fluid come out of breather all of a sudden.
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Sorry for taking so long getting back to you all. After pulling transmission and changing the stator in the torque converter the transmission still over heated. At that point the oil cooler which is part of the radiator was checked closer and there seemed to be a lack of heat transfer across the unit. The radiator was pulled and sent to radiator shop. Now everything is back together and temp seems ok and no more fluid coming out of breather. As many have experienced the transmission does heat up in stop and go traffic which is normal for many. So I have reduced idle speed from around 750 rpm to around 600 rpm which should help. Also if I am seeing still for extended tome I will shift to neutral which drops tranny temps. That’s for all interest.