Ford/Mazda 4F27E/FN4A-EL Shifts from Second to Neutral
Complaint: A Ford with a 4F27E transmission was just overhauled and now has a complaint of a shift from second gear to neutral. Cause: This transmission needed to have the rear planetary that splines to the direct clutch hub, refer to figure 2, replaced, a planetary was taken from parts stock and installed. The planetary
4F-27-3-Neutral-Hike!
A frequent call we receive on ATSG’s technical hotline with the 4F27E (FN4A-EL) transmission is a neutralizing shift going into fourth gear. The reason why it is such a frequent complaint is that there are several causes of this malfunction.
