LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1739 (Automatic Transmission - ALLISON - Repair Instructions - Off Vehicle) >> Repair Instructions - Off Vehicle >> 2-6 Clutch Removal

2-6 Clutch Removal

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Special Tools

For equivalent regional tools, refer to Special Tools .

    Fig 1: View Of J 24204-2 & J 44530 Installed In Transmission Case
    GM1216950Courtesy of GENERAL MOTORS CORP.
  1. Install J 24204-2:  assembly (1) and J 44530:  compressor (2) into the transmission case. Make sure that J 24204-2:  assembly does not touch the gear thrust plate rivets (6) on the 3rd, 5th, and reverse clutch backing plate assembly.
  2. Compress the piston return spring assemblies (5) until a gap is visible below the retaining rings (3 and 4).
  3. NOTE: The outer 2-6 clutch retaining ring is thinner and larger in circumference compared to the inner low and reverse clutch retaining ring.
  4. Remove the low and reverse clutch retaining ring (3).
  5. Remove the 2-6 clutch retaining ring (4).
  6. Remove (1) and J 24204-2:  assembly (2) from the transmission case.
  7. Fig 2: Identifying Clutch Backing Plate
    GM1216953Courtesy of GENERAL MOTORS CORP.
  8. Remove the 2-6 clutch backing plate (1).
  9. Fig 3: View Of Clutch Plates & Piston Return Spring Assemblies
    GM1216952Courtesy of GENERAL MOTORS CORP.
  10. Remove five 2-6 clutch fiber plates (1) and four 2-6 clutch steel plates (2).
  11. Remove, as a unit, the 2-6 clutch spring plate (4) and 3 piston return spring assemblies (3).
  12. Fig 4: Piston Return Spring Assemblies
    GM1660836Courtesy of GENERAL MOTORS CORP.
    NOTE: The piston return spring assemblies snap off.
  13. Remove 3 piston return spring assemblies (1) from the 2-6 clutch spring plate (2).
  14. Fig 5: View Of Input Internal Ring Gear
    GM1216956Courtesy of GENERAL MOTORS CORP.
  15. Remove the input internal ring gear (1).