GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1996 🢒 Astro - 4WD 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 4L60-E 🢒 Input Housing and Shaft Assembly Assemble

Tools Required

    • J 23327-1 Clutch Spring Compressor
    • J 23456 Clutch Spring Compressor Press
    • J 25018-A Clutch Spring Compressor Adaptor

    Object Number: 7431 Size: SH
  1. Install a new O-ring input to forward clutch housing seal.

    2. Object Number: 7437 Size: SH
  2. Install new seals on the 3rd and 4th clutch piston.
  3. Install the 3rd and 4th clutch piston into the input housing.

    4. Object Number: 7438 Size: SH
  4. Inspect the forward clutch housing for the following defects:
    5. • Proper check ball operation
    • Damage or distortion
    • Burrs in the seal areas
    • Cracks

    Object Number: 7439 Size: SH
  5. Inspect the forward clutch piston for the following defects:
    6. • Porosity or damage
    • Ring groove damage
    • Apply leg damage
  6. Install new inner and outer forward clutch piston seals.

    7. Object Number: 7440 Size: SH
  7. Install the forward clutch piston into the forward clutch housing.

    8. Object Number: 7441 Size: SH
  8. Install the 3rd and 4th spring assembly into the 3rd and 4th apply ring.
  9. Install the forward clutch housing and piston into the 3rd and 4th apply ring.
  10. The forward clutch piston apply legs must be indexed with the 3rd and 4th clutch apply ring legs.

    11. Object Number: 7442 Size: SH
  11. Install the inner forward clutch seal protector on the input housing.
  12. In order to install the 3rd and 4th clutch apply ring and the forward housing and piston assembly perform the following functions:
    13. 12.1. Hold the assembly by the 3rd and 4th clutch apply ring legs during installation.
    12.2. Do not let the forward clutch piston separate from the housing.
    12.3. Firmly seat the assembly.
  13. Remove the inner forward clutch seal protector from the input housing.

    14. Object Number: 7443 Size: SH
  14. Inspect the overrun clutch piston for the following defects:
    15. • Porosity or damage
    • Seal groove nicks or damage
    • Overrun clutch ball proper operation
  15. Install the seal on the overrun clutch piston.

    16. Object Number: 7444 Size: SH
  16. Install the inner overrun seal protector on the input housing.
  17. Install the overrun piston in the input housing.

    18. Object Number: 7445 Size: SH
  18. Using a universal seal installer, carefully install the overrun clutch piston outer seal.

    19. Object Number: 7446 Size: SH
  19. Install the overrun clutch spring assembly.

    20. Object Number: 5759 Size: SH
  20. Install the clutch spring compressor and the clutch spring compressor adaptor and compress the overrun clutch spring assembly.
  21. Install the overrun clutch spring retainer snap ring.
  22. Remove the clutch spring compressor.