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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 246 (Automatic Transaxle - 4T65-E - Overhaul) >> Repair Instructions >> Input Clutch and Third Clutch Assemble >> Assembly Procedure

Assembly Procedure

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    Fig 1: Identifying Input Clutch Piston Inner Seal
    GM10651Courtesy of GENERAL MOTORS CORP.
  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. See Special Tools .
    3. Fig 2: View Of Third Clutch Housing O-Ring Seal
    GM10652Courtesy of GENERAL MOTORS CORP.
  3. Insert a new third clutch housing O-ring seal (638) in the input shaft and housing assembly.
    4. Fig 3: Locating Clutch Piston Inner Seal
    GM10653Courtesy of GENERAL MOTORS CORP.
  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). See Special Tools .
    6. Fig 4: Identifying Input Clutch Piston Outer Seal
    GM10640Courtesy of GENERAL MOTORS CORP.
  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. Fig 5: View Of Input Clutch Piston Assembly
    GM399734Courtesy of GENERAL MOTORS CORP.
  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. Fig 6: Compressing The Input Clutch Spring And Retainer Assembly Using J 23327 & J 8059
    GM10642Courtesy of GENERAL MOTORS CORP.
  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. See Special Tools .
  12. Remove the J 23327  (1,2).
    13. Fig 7: Locating Third Clutch Piston And Seal Assembly
    GM399730Courtesy of GENERAL MOTORS CORP.
  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. Fig 8: Compressing The Third Clutch Spring Retainer And Guide Assembly Using J 23327, J 25018-A & J 8059
    GM10639Courtesy of GENERAL MOTORS CORP.
  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). See Special Tools .
  16. Remove the J 23327  (1,2).
    17. Fig 9: Identifying Third Clutch Plates Assemblies
    GM10637Courtesy of GENERAL MOTORS CORP.
  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. Fig 10: View Of Sprag Clutch Assembly Plates
    GM898752Courtesy of GENERAL MOTORS CORP.
    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 upward.
  25. Insert the retaining ring (659) in the input shaft and housing assembly (632).
    26. Fig 11: Locating Input Shaft Thrust Bearing Assembly
    GM10638Courtesy of GENERAL MOTORS CORP.
  26. Insert the input shaft thrust bearing assembly (644).
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