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Home >> Chevrolet >> 2005 >> Chevy Express H1500, Van Passenger >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Automatic Transmission - 4L80-E/4L85-E - Introduction & Repair Instructions) >> Repair Instructions >> Accumulator Housing Replacement >> Third and Fourth Clutch Accumulator Disassembly

Third and Fourth Clutch Accumulator Disassembly

WARNING: This page is about a different variant/trim than selected.
    Fig 1: 3rd Clutch Accumulator Piston
    GM477676Courtesy of GENERAL MOTORS CORP.
    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).
    3. Fig 2: 4Th Clutch Accumulator Piston Pin Retainer Ring
    GM477680Courtesy 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).
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