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Accumulator Assembly: Installation

WARNING: This page is about a different car, the 2003 GMC Savana and 2003 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install NEW 3-4 accumulator piston seal to 3-4 accumulator piston. See Figure .
  2. Install the 3-4 accumulator pin (1) into transmission case and retain the pin with Transjel(R) Lubricant (J-36850). See Fig 1 .
  3. Install 3-4 accumulator piston onto the pin in the transmission case. Ensure that 3-4 accumulator piston legs face away from the transmission case. See Figure .
  4. Install the Pump and Valve Body Alignment Pin Set (J-25025-B) (2 and 3) to the transmission case. See Fig 1 .
  5. Install the spacer plate to transmission case gasket and the spacer plate to valve body gasket to the spacer plate. Use Transjel(R) lubricant to retain gaskets to the spacer plate.
    • The case gasket is identified by a "C". Be sure to place the case gasket on the transmission case side of the spacer plate.
    • The valve body gasket is identified by a "V". Be sure to place the valve body gasket on the valve body side of the spacer plate.
  6. Ensure that the solenoid screens (1 and 2) are in place on the spacer plate. See Fig 2 .
  7. Place the checkball (3) on the spacer plate in the location shown.
  8. Place the 3-4 accumulator spring (4) on the spacer plate.
  9. Install the spacer plate and related components to the transmission.
  10. Install the spacer plate support and the spacer plate support retaining bolts. See Figure . Tighten spacer plate support retaining bolt to specification. See TORQUE SPECIFICATIONS  .
  11. After installing the spacer plate support (2), look through the hole in the spacer plate to ensure that the checkball (1) has remained in the proper location. See Fig 3 .
  12. Install a new 1-2 accumulator piston seal (1) to the 1-2 accumulator piston.
  13. Install 1-2 accumulator inner and outer springs to 1-2 accumulator cover. See Fig 4 .
  14. Install 1-2 accumulator piston onto the pin in the 1-2 accumulator cover. Ensure that the piston legs face the accumulator cover.
  15. Install 1-2 accumulator cover and accumulator cover retaining bolts. See Figure . Tighten accumulator cover retaining bolts to specification. See TORQUE SPECIFICATIONS  .
  16. Remove pump and valve body alignment pin set from transmission case.
  17. Install control valve body. See VALVE BODY & PRESSURE SWITCH  .
  18. Install transmission oil pan and filter. See DRAINING & REFILLING  under LUBRICATION.
  19. Lower the vehicle, and fill transmission to appropriate level with proper fluid. See RECOMMENDED FLUIDS  and FLUID CAPACITIES  under LUBRICATION.
Fig 1: Installing 3-4 Accumulator Pin Into Transmission Case
G00211904Courtesy of GENERAL MOTORS CORP.
Fig 2: Identifying Solenoid Screens
G00211905Courtesy of GENERAL MOTORS CORP.
Fig 3: Inspecting Proper Checkball Placement
G00211906Courtesy of GENERAL MOTORS CORP.
Fig 4: Installing 1-2 Accumulator Inner & Outer Springs To Cover
G00211907Courtesy of GENERAL MOTORS CORP.
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