what would make my trans suddenly overflow. did this once before Years ago. checked fluid a month ago n was right on the mark now showing over fill and is running out of the overflow. THANKS IN ADVANCE
OH B T W less than 90,000 and trans serviced regularly according to manual. Thanks
Plugged filter. That is a pure guess, no hard information behind that answer
My best guess is that the radiator cooler/heater is leaking coolant into the transmission. The only other fluid could be engine oil. Over heating oil is not going to make it overflow. Oil doesn't expand that much.
valve body [trans]
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