K 1500 Suburban 4WD V8-5.7L VIN R (1997)
6. Worm shaft (13).
7. Thrust bearing (16) and races (15).
8. J 21552 from rack piston (26).
9. Rack piston balls (25).
10. Screws (21), clamp (22) and ball guide (23).
11. Teflon ring (5).
12. O-ring seal (6).
13. Clean all disassembled parts.
14. Inspect all disassembled parts for wear. Replace if necessary.
ASSEMBLE
1. O-ring seal (6) and teflon ring (5) and lubricate with power steering fluid.
2. Worm shaft (13) to rack piston (26) outside of housing (20). Fully seat worm shaft (13) to rack piston (26) and align worm shaft spiral groove with
rack piston ball return guide hole.
