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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1035 (Automatic Transmission - ALLISON - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> Off-Vehicle Repair Information >> Input Carrier Assembly and 2-6 Clutch Installation >> Installation

Input Carrier Assembly and 2-6 Clutch Installation: Installation

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Locating Clutch Piston Assembly
    GM1216957Courtesy of GENERAL MOTORS CORP.
  1. Position the transmission case so that the rear of the case is facing up.
  2. Apply J 36850  or an equivalent lubricant to the inside and outside diameters of the new 2-6 clutch piston assembly (1). See Special Tools .
  3. Align the new 2-6 clutch piston assembly (1) so that the seal is facing down and the 1.016 mm (0.040 in) lubrication/cooling orifice is positioned at the top of the transmission case.
  4. Install the 2-6 clutch piston assembly (1).
  5. Gently tap the piston until the piston seats.
    6. Fig 2: View Of Input Internal Ring Gear
    GM1216956Courtesy of GENERAL MOTORS CORP.
  6. Align the input internal ring gear (1) so that the outside splines are facing down.
  7. Install the input internal ring gear (1).
  8. Rotate the ring gear until the 3rd, 5th, and reverse fiber plates are engaged.
  9. Make sure the input internal ring gear (1) is seated against the thrust plates of the 3rd, 5th, and reverse clutch backing plate assembly.
    10. Fig 3: Locating Input Carrier Module & Thrust Bearing
    GM1216948Courtesy of GENERAL MOTORS CORP.
  10. Install the input carrier module (2).
  11. Rotate the input carrier module until the module drops into place.
    12. NOTE: Installing the thrust bearing incorrectly may cause permanent damage to the transmission.
  12. Align the thrust bearing (1) so that the blue stripe on the thrust bearing is facing away from the input carrier module (2).
  13. Install the thrust bearing (1) onto the input carrier module (2).
    14. Fig 4: Piston Return Spring Assemblies
    GM1660836Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: The spring assemblies can be reused. If necessary, squeeze the spring assembly tabs with pliers to make sure the spring assemblies snap onto the 2-6 clutch spring plate.
  14. Install 3 piston return spring assemblies (1) onto the 2-6 spring plate (2).
    15. Fig 5: View Of Clutch Plates & Piston Return Spring Assemblies
    GM1216952Courtesy of GENERAL MOTORS CORP.
  15. Align the 2-6 clutch spring plate (4) and the piston return spring assemblies (3) with the spring assemblies up.
  16. Install the spring plate (4) into the transmission case.
  17. Starting with a 2-6 clutch fiber plate, alternately install five 2-6 clutch fiber plates (1) and four 2-6 clutch steel plates (2).
    18. Fig 6: Identifying Clutch Backing Plate
    GM1216953Courtesy of GENERAL MOTORS CORP.
  18. Install the 2-6 clutch backing plate (1).
    19. Fig 7: Compressing Clutch Piston Return Spring Assemblies
    GM1216951Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to 3-5 Reverse Clutch Backing Plate Rivet Damage Notice .
  19. The threaded rod of J 24204-2  must pass through but not touch the bushing. See Special Tools .
  20. Install J 24204-2  (1) and J 44530  (2) into the transmission case. See Special Tools .
  21. Make sure J 24204-2  does not touch the gear thrust plate rivets (6) on the 3rd, 5th, and reverse clutch backing plate assembly. See Special Tools .
  22. Compress the piston return spring assemblies (5) until the retaining ring groove is visible.
    23. IMPORTANT: The outer 2-6 clutch retaining ring is thinner and larger in circumference compared to the inner low and reverse clutch retaining ring.
  23. Install the 2-6 clutch retaining ring (4).
    24. IMPORTANT: Position the 2-6 clutch and the low and reverse clutch retaining ring gaps 180 degrees apart.
  24. Install the low and reverse clutch retaining ring (3) with the retaining ring gap 180 degrees from the 2-6 clutch retaining ring gap.
    25. IMPORTANT: DO NOT damage the input carrier bushing when removing J 24204-2 from the transmission case. The threaded rod of J 24204-2 must pass through but not touch the bushing.
  25. Remove J 24204-2  and J 44530  from the transmission case. See Special Tools .
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