Input and 3rd Clutch Disassemble

Special Tools

• J-8059:  Snap Ring Pliers
• J-23327:  Clutch Spring Compressor
• J-25018-A:  Clutch Spring Compressor Adapter

For equivalent regional tools, refer to Special Tools .

Fig 1: View Of Input Clutch Plate Assemblies
Courtesy of GENERAL MOTORS CORP.
1. Use a flat blade screwdriver in order to remove the retaining ring (659) from the input shaft and housing assembly (632).
2. Remove the input clutch backing plate (658).
3. Remove all of the input clutch plate assemblies (656, 657).
4. Remove the input clutch waved plate (655) and the input clutch apply plate (654).
Fig 2: Identifying Third Clutch Plates Assemblies
Courtesy of GENERAL MOTORS CORP.
5. Use a flat blade screwdriver in order to remove the retaining ring (649) from the input shaft and housing assembly (632).
6. Remove the third clutch backing plate (648)
7. Remove the third clutch plate assemblies (646, 647).
8. Remove the third clutch waved plate (645).
Fig 3: Locating Input Shaft Thrust Bearing Assembly
Courtesy of GENERAL MOTORS CORP.
9. Remove the input shaft thrust bearing assembly (644).
Fig 4: Compressing The Third Clutch Spring Retainer And Guide Assembly Using J 23327, J 25018-A & J 8059
Courtesy of GENERAL MOTORS CORP.
10. Use J-23327:  spring compressor and J-25018-A:  compressor adapter in order to compress the third clutch spring retainer and guide assembly.
NOTE: Do not overexpand the retaining ring during removal.
11. Use J-8059:  snap ring pliers in order to remove the retaining ring (640) from the input shaft and housing assembly.
12. Remove J-23327:  spring compressor and J-25018-A:  compressor adapter from the input shaft and housing assembly.
Fig 5: Locating Third Clutch Piston And Seal Assembly
Courtesy of GENERAL MOTORS CORP.
13. Remove the third clutch retainer and guide spring assembly (643).
14. Remove the third clutch piston and seal assembly (642).
Fig 6: Compressing The Input Clutch Spring And Retainer Assembly Using J 23327 & J 8059
Courtesy of GENERAL MOTORS CORP.
15. Use J-23327:  spring compressor in order to compress the input clutch spring and retainer assembly.
NOTE: Do not overexpand the retainer ring during removal.
16. Use J-8059:  snap ring pliers in order to remove the retainer ring (640) from the input shaft and housing assembly.
17. Remove J-23327:  spring compressor from the input shaft and housing assembly.
Fig 7: View Of Input Clutch Piston Assembly
Courtesy of GENERAL MOTORS CORP.
18. Remove the third clutch piston housing (639).
19. Remove the input clutch spring and retainer assembly (637).
20. Remove the input clutch piston assembly (636).
Fig 8: Identifying Input Clutch Piston Outer Seal
Courtesy of GENERAL MOTORS CORP.
21. Remove the input clutch piston outer seal (635).
Fig 9: Identifying Third & Input Clutch Components
Courtesy of GENERAL MOTORS CORP.
22. Remove the third clutch piston inner seal (641).
23. Remove the third clutch housing O-ring seal (638).
24. Remove the input clutch piston inner seal (634).
CAUTION: Do not damage the grooves on the shaft, when removing the oil seal rings.
25. Cut the input shaft oil seal rings (628).
26. Remove the input shaft oil seal rings (628).