The book is wrong and somehow I made a typo. My earlier post should say “ ,not park”.

You have to be in neutral to get any substantial flow out of the cooler line.

You will be there forever trying to fill the converter in park.

Run the engine with the trans in neutral while filling the trans. Sounds like you are low at this point.

Last edited by Transman; 03/19/19 03:09 AM.