GMC 1990 Light Truck Repair Manual page 108

3B2-6 MANUAL STEERING
1. Worm Bearing Adjuster Locknut
2. Worm Bearing Adjuster
Lower Worm Bearing Cup
Lower Worm Bearing
Lower Bearing Retainer
Ball Nut
7. Worm Shaft
8. Upper Worm Bearing
9. Upper worm Bearing Cup
10 Pitman Shaft Seal
.
Housing
11
.
12 Worm Shaft Seal
.
13. Side Cover Gasket
14. Pitman Shaft Needle Bearing
15. Pitman Shaft
16. Preload Adjuster
17. Preload Adjuster Shim
18. Side Cover
19. Preload Adjuster Nut
20 Side Cover Bolts
.
.
21 Ball Guide Clamp Screw
Ball Guide Clamp
22
.
23. Ball Guide
24.
Balls
25. Washer, Spring
26. Pitman Arm Nut
30. Top Studed Side Cover Bolt (Used on some models)
Figure 5—Steering Gear Components — Model 535
F6672