Piston and Ball Nut, Replace
Fig. 2 Ball And Nut Housing:
1. Remove teflon ring and O-ring from piston and ball nut, Fig. 2.
2. Dip a new O-ring in gear lube and install on piston and ball nut.
3. Install new teflon ring on piston and ball nut, being careful not to stretch it any more than necessary.