after changing the transmission oil filter and oil I start hearing a roaring sound and the transmission doesn't excelared good
If you did not get the filter seated in correctly the pump is not going to pump properly. Did you remove the old gasket from to old filter before installing new filter and gasket sometimes it stays on transmission when removed and has to be pryed off before installing the new filter and gasket. Will not get good seal if old gasket was not removed.
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