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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 834 (Automatic Transmission - 4L80-E/4L85-E (Service & Replacement)) >> Repair Instructions >> Accumulator Housing Replacement >> Third and Fourth Clutch Accumulator Disassembly

Third and Fourth Clutch Accumulator Disassembly

WARNING: This page is about a different car, the 2003 GMC Yukon XL, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Important:  Apply low pressure compressed air to the hole at the top of the accumulator housing to assist with the piston removal.

  1. Remove the 3rd clutch accumulator piston (2).
  2. Remove the 3rd clutch accumulator piston seals (1, 3).
    Fig 1: Removing 3rd Clutch Accumulator Piston & Assembly
    G02112255Courtesy of GENERAL MOTORS CORP.
  3. Remove the 4th clutch accumulator piston pin retainer ring (5).
  4. Remove the 4th clutch accumulator piston (4) and pin (2) from the accumulator housing (1).
  5. Remove the 4th clutch accumulator piston pin (2) from the accumulator housing (1).
  6. Remove the 4th clutch accumulator piston seal (3) from the accumulator housing (1).
    Fig 2: Removing 4th Clutch Accumulator Piston & Assembly
    G02112256Courtesy of GENERAL MOTORS CORP.
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