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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1355 (Automatic Transmission - ALLISON - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> Repair Instructions - Off Vehicle >> 3rd, 5th and Reverse Clutch Removal >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Compressing 3rd, 5th & Reverse Piston Return Spring Assemblies
    GM1216959Courtesy of GENERAL MOTORS CORP.
  1. Position the transmission case so that the front of the transmission case is facing up.
  2. Install J 24204-2:  assembly (1) and J 44530:  compressor (2) into the transmission case. Make sure that J 44530:  compressor does not touch the gear thrust plate rivets (3) on the 3rd, 5th, and reverse clutch backing plate assembly.
  3. Compress the piston return spring assemblies (5) until a gap is visible below the retaining ring (4).
  4. Remove the retaining ring (4).
  5. Remove J 24204-2:  assembly and J 44530:  compressor from the transmission case.
  6. Fig 2: View Of 3rd, 5th & Reverse Clutch Backing Plate Assembly
    GM1216962Courtesy of GENERAL MOTORS CORP.
  7. Remove the 3rd, 5th, and reverse clutch backing plate assembly (1).
  8. Fig 3: View Of 3rd, 5th & Reverse Spring Plates, Steel Plates & Spring Assemblies
    GM1216960Courtesy of GENERAL MOTORS CORP.
  9. Remove four 3rd, 5th, and reverse clutch fiber plates (1) and three 3rd, 5th, and reverse clutch steel plates (2).
  10. Remove, as a unit, 3rd, 5th, and reverse spring plate (4) and 3 piston return spring assemblies (3).
  11. Fig 4: Identifying Piston Return Spring Assemblies
    GM1660836Courtesy of GENERAL MOTORS CORP.
    NOTE: The piston return spring assemblies snap off.
  12. Remove 3 piston return spring assemblies (1) from the 3rd, 5th, and reverse spring plate (2).