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Home >> Hummer >> 2008 >> H3 Luxury, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 285 (Automatic Transmission - 4L60-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> Repair Instructions - Off Vehicle >> Input Clutch Assembly Disassemble >> Disassembble

Input Clutch Assembly Disassemble: Disassembble

WARNING: This page is about a different car, the 2009 GMC Canyon and 2009 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Stator Shaft/Selective Washer Bearing Assembly
    GM5755Courtesy of GENERAL MOTORS CORP.
  1. Remove the reverse input clutch housing and drum assembly (605) from the input clutch assembly (621).
  2. Remove the stator shaft/selective washer bearing assembly (615).
  3. Remove the selective thrust washer (616).
    4. Fig 2: Locating 3rd & 4th Clutch Backing Plate Retainer Ring
    GM5756Courtesy of GENERAL MOTORS CORP.
  4. Remove the 3rd and 4th clutch backing plate retainer ring (656).
    5. CAUTION: The correct number of fiber plates must be used to avoid damage to the transmission. An incorrect stack up height can cause either excessive clutch slippage or insufficient release, resulting in burned clutch plates.
    NOTE: The 3rd and 4th clutch plate stack is model specific. Clutch plate stack up could be either 6 or 7 plates.
  5. Remove all 3rd and 4th clutch plates (653-655).
  6. Remove the 3-4 clutch boost spring assemblies (600).
    7. Fig 3: Identifying Forward Clutch Selective Backing Plate & Retainer Ring
    GM213049Courtesy of GENERAL MOTORS CORP.
  7. Remove the forward clutch backing plate retainer ring (651).
  8. Remove the forward clutch selective backing plate (650).
  9. Remove the forward clutch sprag assembly.
    10. Fig 4: View Of Forward Clutch Plates
    GM5758Courtesy of GENERAL MOTORS CORP.
  10. Remove all forward clutch plates (646, 648, 649A, 649B).
  11. Remove the input sun gear bearing assembly (637).
  12. Remove the input housing to output shaft seal (636).
  13. Remove all overrun clutch plates (645A, 645B).
    14. Fig 5: Installing J 23327-1 & J 25018-A
    GM5759Courtesy of GENERAL MOTORS CORP.
  14. Install the J 23327-1:  compressor (bridge) and the J 25018-A:  compressor adapter.
  15. Compress the overrun clutch spring, using the J 23456:  clutch pack compressor.
  16. Remove the overrun clutch spring retainer snap ring (635).
  17. Remove the J 23327-1:  compressor (bridge) and the J 25018-A:  compressor adapter.
    18. Fig 6: Input Clutch Assembly
    GM55909Courtesy of GENERAL MOTORS CORP.
  18. Remove the overrun clutch spring assembly (634).
  19. Remove the overrun clutch piston (632).
  20. Remove the forward clutch piston (630).
  21. Remove the forward clutch housing (628).
  22. Remove the 3rd and 4th clutch spring assembly (626).
  23. Remove the 3rd and 4th clutch apply ring (625).
  24. Remove the 3rd and 4th clutch piston (623).
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