Chevrolet 1977 10 Series, Repair Manual, Page: 71 / 468

STEERING
3B-29
POWER CYLINDER-CORVETTE
OVERHAUL OPERATIONS
Disassembly (Fig. 3B-84)
1. To remove the piston rod seal, remove the snap ring;
then pull out on rod, being careful not to spray oil.
2. Remove the piston rod scraper and scraper element,
back up washer and piston rod seal from the rod.
3. A t the ball stud end of the cylinder, remove the ball
stud seal.
4. Remove the snap ring retaining the end plug and lube
fitting.
5. Push on the end of the ball stud and remove the end
plug, spring, spring seat and ball stud.
6. Remove the "O" ring seal from the top lip of the
power cylinder ball stud opening.
7. If the ball seat is to be replaced, it must be pressed
out using Tool J-8937.
Assembly
1. Reassemble the piston rod seal components by
reversing the disassembly procedure. Apply power steering
fluid on the inner surfaces of the seal and scraper before
assembly.
2. Reverse the disassembly procedure when
reassembling the ball stud.
3. In each case be sure th at the snap ring is securely
seated in the ring groove.
NOTE:
Be sure to use new seals and "O" rings when
re-assembling cylinder.
1. Snap Ring
2. End Plug and Lube Fitting
3. " 0 " Ring
4. Spring
5. Spring Seat
6. Ball Stud
7. Ball Seat
8. Ball Stud Seal
9. Piston Body
10. Piston Rod Seal
11. Backup Washer
12. Scraper Element
13. Piston Rod Scraper
14. Snap Ring
15. Piston Rod
Fig. 3B-84--Power Steering Power C ylinder Exploded