GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2006 🢒 Express 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T65-E 🢒 Input and 3rd Clutch Assemble

Tools Required

    • J 8059 Snap Ring Pliers
    • J 23327 Clutch Spring Compressor
    • J 25018-A Clutch Spring Compressor Adapter
    • J 37361 Input Clutch Inner Piston Seal Protector
    • J 37362 Third Clutch Inner Piston Seal Protector

    Object Number: 10651 Size: SH
  1. Use transmission fluid in order to lubricate the new input clutch piston inner seal (634).
  2. Use J 37361 in order to install the new seal.

    3. Object Number: 10652 Size: SH
  3. Insert a new third clutch housing O-ring seal (638) in the input shaft and housing assembly.

    4. Object Number: 10653 Size: SH
  4. Use transmission fluid in order to lubricate the new third clutch piston inner seal (641).
  5. Use J 37362 in order to install the seal in the input shaft and housing assembly (632).

    6. Object Number: 10640 Size: SH
  6. Use transmission fluid in order to lubricate the new input clutch piston outer seal (635).
  7. Insert the new seal onto the input clutch piston assembly (636).

    8. Object Number: 399734 Size: SH
  8. Install the input clutch piston assembly (636) into the input shaft and housing assembly.
  9. Install the input clutch spring and retainer assembly (637) into the input shaft and housing assembly.
  10. Install the third clutch piston housing (639) into the input shaft and housing assembly.

    11. Object Number: 10642 Size: SH
  11. Use J 23327  (1,2) and J 8059  (3) in order to install the third clutch piston housing retaining ring (640) in the input shaft and housing assembly.
  12. Remove the J 23327  (1,2).

    13. Object Number: 399730 Size: SH
  13. Use transmission fluid in order to lubricate the new third clutch piston and seal assembly (642). Install the third clutch piston and seal assembly (642) into the input shaft and housing assembly (632).
  14. Install the third clutch spring retainer and guide assembly (643) into the input shaft and housing assembly (632).

    15. Object Number: 10639 Size: SH
  15. Use J 23327  (1,2), J 25018-A  (4), and J 8059  (3) in order to install the third clutch spring retainer and guide assembly retaining ring (640).
  16. Remove the J 23327  (1,2).

    17. Object Number: 10637 Size: SH
  17. Insert the third clutch waved plate (645) into the input shaft and housing assembly (632).

    18. Important: Place the first externally splined plate with its steel side against the waved plate. Place the fiber side of all plates face upward.

  18. Insert the third clutch plates assemblies into the input housing. Start by inserting a third clutch plate (646) with external splines. Alternate with the internally splined clutch plates (647).
  19. Insert the third clutch backing plate (648) with the word UP facing upward.
  20. Insert the retaining ring (649) into the input shaft and housing assembly (632).

    21. Object Number: 898752 Size: SH

    Important: Models using the input clutch pawl assembly requires specific clutch plates (725), with 30 teeth. The sprag clutch assembly plates (656) have 32 teeth.

  21. Insert the input clutch apply plate (654) into the input shaft and housing assembly (632), so that the notched side of the teeth are facing downward against the retaining ring on the third clutch backing plate.
  22. Install the input clutch waved plate (655).
  23. Install the input clutch plates (656/725, 657) starting with an input clutch steel plate (657) and alternating with input clutch fiber plate assemblies (656).
  24. Insert the input clutch backing plate (658) with the tapered side of the teeth facing downward.
  25. Insert the retaining ring (659) in the input shaft and housing assembly (632).

    26. Object Number: 10638 Size: SH
  26. Insert the input shaft thrust bearing assembly (644).