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Accumulator Assembly (4L60-E): Removal

WARNING: This page does not describe the selected car, but rather 13 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, and 2002 GMC C3500 HD. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Tools required: Pump and Valve Body Alignment Pin Set (J-25025-B), and Transmission Assembly Lubricant (J-36850).
  1. Remove the control valve body. See VALVE BODY & PRESSURE SWITCH (4L60-E) .
  2. Remove the accumulator cover bolts. See Figure.
  3. Remove the 1-2 accumulator cover and pin, piston and springs. Remove the 1-2 accumulator piston spring. Remove the 1-2 accumulator piston and the oil seal ring. See Figure.
  4. Remove the oil pass cover bolt. Remove the oil pass cover. See Figure.
  5. Remove the spacer plate. Remove the spacer plate gaskets. See Figure.
  6. Remove the 3-4 accumulator spring. Remove the piston oil seal ring. Remove the 3-4 accumulator piston and the pin. See Figure. Inspect the accumulator assembly.