GMC 1989 Light Duty Truck Repair Manual page 320

5-2 BRAKES
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28
Install or C onnect (Figure 1)
Tools Required:
J 26889 Accumulator Compressor
J 24551-A Seal Protector
J 25083 Seal Protector
NOTICE: For steps 8 an d 9 see " N o tic e " on
p age 5-1 o f this section.
• Lubricate all the seals and metal friction points with
power steering fluid.
Figure 2— R em oving th e A ccum ulato r
6. O-Ring
7. Spring
8. Housing
9. Bolt
10. Seal
1. Retainer 11. Accumulator Valve
2. Accumulator
12. Return Line Fitting
3. O-Ring 13. Spool Valve
4. Retainer
14. Seal
5. Plug 15. Seal
Figure 1— Hydro-Boost Components
18 1?
16. Cover
17. Bracket
18. Nut
19. Boot
20. Pedal Rod
21. Pin
22. Piston Assembly
23. Seal
24. Retainer
25. Piston Return Spring
26. Retainer
27. Baffle
28. Output Pushrod
1. Seal (10) and return line fitting (12).
2. Accumulator valve (11).
3. Spool valve (13).
4. Seal (23) and piston a sse m b ly (
J 24551-A or J 25083 (figure 7).
• Lubricate the tool with clean power steerinq
fluid.
5. Seal (14) onto the piston assembly (22).
6 . Seal (15) onto the housing (
7. Cover (16).
8
. Bolts (9).
4. Retainer
5. Plug
6. O-Ring
7. Spring
Figure 3 — R em oving th e Plug and Spring
F-00761
22
) by using
8 ).
F-00763