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Accumulator Assembly: Installation

  1. Install the 3-4 accumulator pin into the transmission case. Install the 3-4 accumulator piston onto the pin. The piston legs must face the valve body. Install the 3-4 accumulator piston oil seal ring. Install the 3-4 accumulator piston spring. See Fig 5 . Install the alignment pin to the transmission case.
  2. Install the case gasket and the valve body gasket to the spacer plate. The case gasket is identified by a "C". The valve body gasket is identified by a "V". Use assembly lubricant to retain the gaskets to the spacer plate. Install the spacer plate and the gaskets to the transmission case. See Fig 4 .
  3. Install the oil pass cover and the oil pass cover bolts. Tighten the bolts to specification. See TORQUE SPECIFICATIONS  .
  4. Install the 1-2 accumulator piston with the piston legs facing toward the case. See Fig 2 . Install the oil seal ring to the accumulator cover.
  5. Install the 1-2 accumulator spring onto the piston. Install the 1-2 accumulator cover and the cover bolts. Tighten the bolts to specification. See TORQUE SPECIFICATIONS  .
  6. Remove the alignment pin from the transmission case. Install the control valve body. See VALVE BODY & PRESSURE SWITCH  .
Fig 1: Removing Accumulator Assembly Bolts
G00057001Courtesy of GENERAL MOTORS CORP.
Fig 2: Removing & Installing 1-2 Accumulator Assembly
G00057002Courtesy of GENERAL MOTORS CORP.
Fig 3: Removing & Installing Oil Pass Cover
G00057004Courtesy of GENERAL MOTORS CORP.
Fig 4: Removing & Installing Spacer Plates
G00057005Courtesy of GENERAL MOTORS CORP.
Fig 5: Removing & Installing 3-4 Accumulator Assembly
G00089872Courtesy of GENERAL MOTORS CORP.
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