GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Generic 🢒 1999 🢒 Unit Repair 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T40-E/4T45-E 🢒 Forward Clutch Assembly Disassemble

Tools Required

    • J 23327 Return Spring Compressor
    • J 41097-2 Inner Seal Remover-Disc
    • J 25031-A Puller/Inner Seal Remover

    Object Number: 20243 Size: SH
  1. Remove the snap ring (600) from the housing assembly (609).
  2. Remove the backing plate (601).
  3. Remove the seven fiber plates (602).
  4. Remove the seven steel plates (603).
  5. Remove the wave plate (604).

    6. Object Number: 20245 Size: SH

    Notice: Compress the return spring assembly (606) only enough to remove the snap ring (605), or damage may occur to the spring assembly (606).

  6. Compress the forward clutch return spring assembly. Use the J 23327 .
  7. Remove the return spring snap ring (605).
  8. Remove the J 23327 .

    9. Object Number: 20838 Size: SH
  9. Remove the forward clutch return spring assembly (606).
  10. Remove the forward clutch piston and seal assembly (607).

    11. Object Number: 20246 Size: SH
  11. Inspect the forward clutch inner seal assembly (608) for damage.
  12. If the seal is damaged, place the J 41097-2 on the inner hub of the clutch housing.

    13. Important: Align puller J 25031-A with the slots located in the seal assembly to aid in removal.

  13. Remove the seal. Use the J 25031-A .

    14. Object Number: 20321 Size: SH
  14. Inspect the housing, the plates, the bushings, the splines, the band apply surface, the roller clutch race, and the spring assembly.
  15. Inspect fluid feed holes for proper openings.
  16. Inspect the retainer and ball assembly for proper openings.
  17. Inspect the piston and seal assembly for cut seals or other damage. The piston and seal assemblies are reusable, if not damaged.
  18. Clean and dry all of the components.