GMC 1989 Light Duty Truck Repair Manual page 129

A.
Used On S om e M o d e ls
.
1
H o u sin g
2
. Sleeve
3.
D ow el Pin
4. O -R ing Seal
5.
P ressure Plate S p rin g
6.
O -R ing Seal
7.
P ressure Plate
8
D ow el Pin
.
9.
Vane
10. R otor
11
. P um p R ing
12
O -R ing Seal
.
13.
T h ru s t Plate
14.
T h ru s t Plate
R e ta in in g R ing
R eturn Tube
Drive S h a ft Seal
Drive S h a ft
B earing
R e ta in in g R ing
Flow C o n tro l S p rin g
C o n tro l Valve
O-Ring Seal
F ittin g
R eservoir
O-Ring Seal
C lip s
4. Fitting (23) (figure 31).
5. O-ring seal (22).
6. Flow control valve (21).
7. Flow control spring (20).
8. Retaining ring (19) (figure 32).
• Use suitable snap ring pliers.
9. Driveshaft (17).
10. Bearing (18) (figure 33).
.
11 Driveshaft seal (16).
• Pry the seal loose with a flat head screwdriver
(figure 34).
12.
Retaining ring (14).
• Insert a punch into the access hole and pry the
ring loose (figure 35).
13. Thrust plate (13) (figure 36).
5
• Use a 16 mm ( /s-inch) piece of bar stock or
suitable brass drift.
14. O-ring seal (12).
15. Pump ring (11) (figure 37).
16. Rotor (10).
Figure 28— Power Steering Pump Components — Model TC
POWER STEERING 3B3-15
Figure 2 9 — R em oving th e R eservoir Clips
F-01875