Aerostar 2WD V6-245 4.0L (1990)
3rd/4th Clutch Hub Selective Retaining Ring Chart
10. If necessary, adjust 3rd/4th clutch hub endplay to specifications. Endplay should be 0.0-0.0019 inch. If endplay is not as specified, select a
suitable retaining ring from chart that will bring endplay to within specifications.