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Home >> GMC >> 2020 >> Acadia SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 457 (Automatic Transmission - 9T60 (M3G) Or 9T65 (M3W) - Repair Instructions - Off Vehicle) >> Repair Instructions - Off Vehicle >> 1-Reverse and 1-2-3-4-5-6 Clutch Piston Housing Disassemble >> Disassemble Procedure

Disassemble Procedure

WARNING: This page is about a different car, the 2023 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
  1. GM4381751Courtesy of GENERAL MOTORS COMPANY

    1-2-3-4-5-6 Clutch Backing Plate Retaining Ring (1) - Remove

  2. 1-2-3-4-5-6 Clutch Backing Plate (2) - Remove
  3. 1-2-3-4-5-6 Clutch Plate - Friction (3) - Remove [2x]
  4. 1-2-3-4-5-6 Clutch Plate (4) - Remove [2x]
  5. NOTE:

    The 1 - Reverse Clutch Retaining Ring should not be removed from bottom. There are no serviceable parts.

  6. 1-2-3-4-5-6 Clutch Plate - Wave (5) - Remove
  7. GM4420237Courtesy of GENERAL MOTORS COMPANY

    1-2-3-4-5-6 Clutch Spring Retaining Ring (1) - Remove

  8. 1-2-3-4-5-6 Clutch Piston Return Spring (2) - Remove
  9. Blow air in port (6) to release the 1 - 2 - 3 - 4 - 5 - 6 clutch piston (3) from the housing.
  10. 1-2-3-4-5-6 Clutch Piston (3) - Remove
  11. 1-2-3-4-5-6 Clutch Piston Inner Seal (4) - Remove and DISCARD
  12. 1-2-3-4-5-6 Clutch Piston Seal (5) - Remove and DISCARD