GMC 1990 Light Truck Repair Manual page 128

3B3-14 POWER STEERING
A. Used On Some Models
Housing
1.
2 . Sleeve
3. Dowel Pin
4.
O-Ring Seal
5. Pressure Plate Spring
6
O-Ring Seal
.
7. Pressure Plate
8
. Dowel Pin
9. Vane
10
. Rotor
11
. Pump Ring
12.
O-Ring Seal
13.
Thrust Plate
14.
Thrust Plate
Retaining Ring
Return Tube
Drive Shaft Seal
Drive Shaft
Bearing
Retaining Ring
Flow Control Spring
Control Valve
O-Ring Seal
Fitting
Reservoir
O-Ring Seal
Clips
Capstick
14. O-ring seal (12).
15. Pump ring (11) (figure 37).
16. Rotor (10).
17. Vanes (9).
18. Dowel pins (8).
19. Pressure plate (7).
20. O-ring (6).
21. Pressure plate spring (5).
Figure 28—Power Steering Pump Components—Model TC
1
.
Pump Assembly
24.
Reservoir Assembly
25. O-Ring Seal
26. Clips
27.
Cap Stick
Figure 30—Removing the Reservoir
22. O-ring seal (4).
23. Dowel pin (3).
24. Sleeve (2) (figure 38).
F1875
F1877