sonnax 1 2 accmulator sleeve kit 4r70w 4r75wSonnax 1 2 Accumulator Sleeve Kit for 4R70E, 4R70W, 4R75E, 4R75W, AODE In Ford AODE and 4R70 series transmissions, worn or scored 1 2 accumulator bores can lead to delayed forward engagement and harsh 1 2 shifts. This wear results in the loss of 2nd clutch pressure, often requiring case replacement. The Sonnax 1 2 Accumulator Sleeve Kit 76890 01K provides a cost effective solution by salvaging expensive cases and restoring proper 1 2 shifts. Features: