LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1625 (Automatic Transmission - 4L60-E - Service, Removal & Installation) >> Repair Instructions >> Accumulator Assembly, Spacer Plate, and Gaskets >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 GMC Sierra and 2003 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  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   . 
  3. Remove the accumulator cover bolts.
  4. Remove the 1-2 accumulator cover.
    Fig 1: Removing Accumulator Cover & Bolts
    G01953641Courtesy of GENERAL MOTORS CORP.
  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: Inspecting 1-2 Accumulator Inner & Outer Springs For Cracks
    G01953642Courtesy 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
      G01953643Courtesy 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
      G01953644Courtesy 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
    G01953645Courtesy 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
    G01953646Courtesy 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
    G01953647Courtesy 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
      G01953648Courtesy of GENERAL MOTORS CORP.
scientia non olet · About LEMON Manuals