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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 812 (Automatic Transmission - 4L60-E/4L65-E (Service & Replacement)) >> Repair Instructions >> Accumulator Assembly, Spacer Plate, and Gaskets >> Removal Procedure

Removal Procedure

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  1. Remove the transmission filter. Refer to AUTOMATIC TRANSMISSION FLUID/FILTER REPLACEMENT  .

    Important:  The 1-2 accumulator can be removed without removing the valve body.

  2. Remove the valve body. Refer to VALVE BODY AND PRESSURE SWITCH REPLACEMENT  .
    Fig 1: Removing Accumulator Cover Bolts
    G02111842Courtesy of GENERAL MOTORS CORP.
  3. Remove the accumulator cover bolts.
  4. Remove the 1-2 accumulator cover.
  5. Disassemble the 1-2 accumulator.
    1. 5.1. Blow compressed air into the 1-2 accumulator cover, as shown, in order to remove the 1-2 accumulator piston.
    2. 5.2. Remove the 1-2 accumulator inner and outer springs.
  6. Inspect the 1-2 accumulator inner and outer springs for cracks.
    Fig 2: Blowing Compressed Air Into 1-2 Accumulator Cover
    G02111843Courtesy of GENERAL MOTORS CORP.
  7. Remove the 1-2 accumulator piston seal (1) from the 1-2 accumulator piston.
  8. Inspect the 1-2 accumulator piston for the following defects:
    • Porosity
    • Cracks
    • Scoring
    • Nicks and scratches
    Fig 3: Removing 1-2 Accumulator Piston Seal From 1-2 Accumulator Piston
    G02111844Courtesy of GENERAL MOTORS CORP.
  9. Inspect the 1-2 accumulator cover for the following defects:
    • Porosity
    • Cracks
    • Scoring
    • Nicks and scratches
    Fig 4: Inspecting 1-2 Accumulator Cover For Damage
    G02111845Courtesy of GENERAL MOTORS CORP.
  10. Remove the spacer plate support bolts.

    Important:  Use care not to drop the following items that will be removed along with the spacer plate:

    • The number 1 checkball
    • The 3-4 accumulator spring
    • The 3-4 accumulator pin
  11. Remove the spacer plate support.
    Fig 5: Removing Spacer Plate Support & Bolts
    G02111846Courtesy of GENERAL MOTORS CORP.
  12. Remove the spacer plate to valve body gasket, the spacer plate and the spacer plate to transmission case gasket.
    Fig 6: Removing Spacer Plate To Valve Body Gasket
    G02111847Courtesy of GENERAL MOTORS CORP.
  13. Remove the 3-4 accumulator piston (2).
  14. Inspect the 3-4 accumulator spring for cracks.
    Fig 7: Removing 3-4 Accumulator Piston
    G02111848Courtesy of GENERAL MOTORS CORP.
  15. Remove the 3-4 accumulator piston seal (1) from the 3-4 accumulator piston.
  16. Inspect the 3-4 accumulator piston for the following defects:
    • Porosity
    • Cracks
    • Scoring
    • Nicks and scratches
    Fig 8: Removing 3-4 Accumulator Piston Seal From 3-4 Accumulator Piston
    G02111849Courtesy of GENERAL MOTORS CORP.
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