GM Service Manual Online
For 1990-2009 cars only

    Object Number: 175296  Size: SH
  1. Remove the servo piston seal ring (98).
  2. Inspect the seal ring for nicks and burrs.

  3. Object Number: 175299  Size: SH
  4. Remove the servo piston adjusting screw lock nut (95).
  5. Compress the servo piston cushion spring (99).
  6. Remove the servo piston adjusting sleeve retainer (94).
  7. Release the cushion spring (99).
  8. Remove the servo piston adjusting sleeve (101).
  9. Inspect the servo piston adjusting sleeve for nicks and burrs.
  10. Remove the servo piston cushion spring seat (100).
  11. Remove the servo piston cushion spring (99).