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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 981 (Automatic Transmission - 4L80-E/4L85-E (Introduction, 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 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 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.
    Fig 1: Removing 3rd Clutch Accumulator Piston
    GM477676Courtesy of GENERAL MOTORS CORP.
  1. Remove the 3rd clutch accumulator piston (2).
  2. Remove the 3rd clutch accumulator piston seals (1, 3).
    3. Fig 2: Removing 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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