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Home › GMC › 2000 › Jimmy 4D Utility, RWD › Repair and Diagnosis › Transmission › Automatic Trans › Automatic Transmission Servicing › Removal & Installation › Accumulator Assembly › Removal

Accumulator Assembly: Removal

  1. Raise and support the vehicle. Remove the transmission oil pan and filter. See DRAINING & REFILLING  under LUBRICATION.
    2. NOTE: The 1-2 accumulator can be removed without removing the control valve assembly.
  2. Remove the control valve body. See VALVE BODY & PRESSURE SWITCH  . Remove the accumulator cover retaining bolts. See Figure .
  3. Remove the 1-2 accumulator cover assembly. Disassemble the 1-2 accumulator. Blow compressed air into the 1-2 accumulator cover, as shown, to remove the 1-2 accumulator piston. See Figure . Remove the 1-2 accumulator inner and outer springs.
  4. Inspect the 1-2 accumulator inner and outer springs for cracks. Remove the 1-2 accumulator piston seal (1) from the 1-2 accumulator piston. See Figure . Inspect the 1-2 accumulator piston for the following defects: porosity, cracks, scoring, nicks and scratches.
  5. Inspect the 1-2 accumulator cover for the following defects: porosity, cracks, scoring, nicks and scratches. See Figure . Remove the spacer plate support retaining bolts. See Figure .
  6. Use care not to drop the following items that will be removed along with the spacer plate: the No. 1 checkball, the 3-4 accumulator spring and the 3-4 accumulator pin.
  7. Remove the spacer plate support. See Figure . Remove the spacer plate to valve body gasket, the spacer plate and the spacer plate to transmission case gasket. Remove the 3-4 accumulator piston (2). See Figure .
  8. Inspect the 3-4 accumulator spring for cracks. Remove the 3-4 accumulator piston seal (1) from the 3-4 accumulator piston. See Figure . Inspect the 3-4 accumulator piston for the following defects: porosity, cracks, scoring, nicks and scratches.
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