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Forward Clutch: Disassembly

WARNING: This page does not describe the selected car, but rather 124 other vehicles, including the 1991 Chevrolet Pickup, 1991 Chevrolet Cab & Chassis, 1988 GMC Vandura Special, 1988 GMC Vandura, and 1988 GMC Value Van. However, it is still accessible from the selected car via links, so may be relevant.
  1. Place forward clutch assembly in Adapter and Holding Fixture (J-21364 and J-6116-01) with turbine shaft pointing down. Remove forward clutch housing-to-direct clutch hub snap ring and withdraw hub. Remove forward clutch hub and one thrust washer from each side of hub. See Fig 1.
  2. Remove composition and steel clutch plates. Place forward clutch assembly in press with turbine shaft pointing down. Using Clutch Spring Compressor and Adapter (J-4670-01 and J-21664), compress spring retainer and remove snap ring. Remove tools. Lift out spring retainer and 16 clutch release springs.
    NOTE: Keep forward clutch release springs separate from direct clutch release springs.
    Fig 1: Exploded View of Forward Clutch Assembly
    G96I15980Courtesy of GENERAL MOTORS CORP.
  3. Remove forward clutch piston from housing. Remove inner and outer seals. Remove center piston seal from clutch housing. If turbine shaft or housing is damaged, place housing in press with shaft facing down. Using 3" driver, press turbine shaft out of forward clutch housing.