GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 28585 Snap Ring Remover
    • J 23327 Clutch Spring Compressor
    • J 41236 Coast Clutch Spring Compressor
    • J 45164 Spring Compressor Bridge

    Object Number: 749579  Size: SH
  1. Apply automatic transmission fluid to the new second coast clutch piston seals.
  2. Install the new inner seal (221) and the outer seal (223) onto the second coast clutch piston (222).
  3. Apply automatic transmission fluid to the inner surfaces of the fluid pump stator shaft assembly.
  4. Press the second coast clutch piston (222) into the fluid pump stator shaft assembly.

  5. Object Number: 749537  Size: SH

    Important: The transmission or the service parts may be either a 1st design or 2nd design second coast clutch spring (224). The 1st design (1) will have 15 springs and the 2nd design (2) will have 12 springs. The parts are completely interchangeable.

  6. Install the second coast clutch spring assembly (224) making sure to index the springs into the notches in the second coast clutch piston.

  7. Object Number: 749532  Size: SH
  8. Place the J 21420-2 (1) and J 23327-2 (3), which are part of J 23327 , and J 41236  (2) on the second coast clutch spring (224), and compress the springs.
  9. Using snap ring pliers, install the second coast clutch spring retaining ring (225) into the groove of the fluid pump stator shaft assembly.

  10. Object Number: 749528  Size: SH

    Important: Make sure that you have the correct number of clutch plates, and that they are in the correct order.

  11. Install a steel plate (227) then a fiber plate (228). Repeat this sequence until all 6 plates have been installed.
  12. Install the second coast clutch backing plate (229).

  13. Object Number: 749525  Size: SH
  14. Using J 45164  (2), J 21420-2 (4) and J 23327-2 (1), which are part of J 23327 , compress the second clutch spring.
  15. Using J 28585  (3), install the second coast clutch backing plate retaining ring (230) into the groove of the fluid pump stator shaft assembly.