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Home >> Chevrolet >> 2007 >> Chevy Express G2500, Van Cargo, 6.6 6 >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transmission - 4L80-E/4L85-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis >> On-Vehicle Repair Instructions >> Accumulator Housing Replacement >> Third and Fourth Clutch Accumulator Assembly

Third and Fourth Clutch Accumulator Assembly

    Fig 1: 3rd Clutch Accumulator Piston & Seals
    GM477676Courtesy of GENERAL MOTORS CORP.
  1. Install the 3rd clutch accumulator piston inner (3) and outer (1) seals. Lubricate the 3rd clutch accumulator piston seals (1, 3) with DEXRON® VI automatic transmission fluid.
  2. Install the 3rd clutch accumulator piston (2).
  3. Fig 2: 4th Clutch Accumulator Piston Components
    GM477680Courtesy of GENERAL MOTORS CORP.
  4. Install the 4th clutch accumulator piston seal (3). Lubricate the 4th clutch accumulator piston seal (3) with DEXRON® VI automatic transmission fluid.
  5. Assemble the 4th clutch accumulator piston pin (2) with the 4th clutch accumulator piston (4).
  6. Install the 4th clutch accumulator piston assembly into the accumulator housing (1).
  7. Install the 4th clutch accumulator piston pin retainer ring (5) onto the 4th clutch accumulator piston pin (2).