Disassembly

Fig. 2 Ball And Nut Housing:

1. Hold steering gear over drain pan in an inverted position and cycle input shaft six times to drain remaining fluid from gear.
2. Remove locknut and brass thrust washer from adjusting screw.
3. Turn input shaft to either stop, then turn it back approximately 2 turns to center gear.
4. Remove sector shaft cover bolts, brake line bracket and identification tag, if applicable.
5. Tap lower end of sector shaft with a soft-faced hammer to loosen it, then lift cover and shaft from housing as a unit. Discard O-ring.
6. Turn sector shaft cover counterclockwise off adjuster screw.
7. Remove four valve housing attaching bolts. Lift valve housing from gear housing while holding piston to prevent it from rotating off worm shaft. Remove valve housing and lube passage O-rings and discard.
8. Stand valve body and piston on end with piston end down. Rotate input shaft counterclockwise out of piston, allowing balls to drop into piston.
9. Place a cloth over open end of piston and turn it upside down to remove balls.
10. Remove ball guide clamp screws from ball nut and remove clamp and guides, Fig. 2.
11. Hold valve body in a fixture and loosen Allen head race nut screw from valve housing and remove worm bearing race nut.
12. Carefully slide input shaft, worm and valve out of valve housing.