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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1626 (Automatic Transmission - 4L80-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 Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. 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 & Seals
    G01952384Courtesy 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).
    Fig 2: Removing 4th Clutch Accumulator Piston, Pin & Seal
    G01952385Courtesy of GENERAL MOTORS CORP.
  6. Remove the 4th clutch accumulator piston seal (3) from the accumulator housing (1).
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