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Home >> Hummer >> 2008 >> H3 Adventure, Automatic >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transmission - 4L60-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis >> Off-Vehicle Repair Instructions >> 3-4 Accumulator Installation

3-4 Accumulator Installation

    Fig 1: Identifying 3-4 Accumulator Piston & Piston Oil Seal Ring
    GM1730059Courtesy of GENERAL MOTORS CORP.
  1. Inspect the 3-4 accumulator piston (44) for the following conditions:
    • Porosity
    • Cracks
    • Scoring
    • Nicks and scratches
  2. Install the 3-4 accumulator piston oil seal ring (45) on the 3-4 accumulator piston (44).
  3. Fig 2: Identifying 3-4 Accumulator Piston & Accumulator Spring
    GM1730065Courtesy of GENERAL MOTORS CORP.
  4. Install the 3-4 accumulator piston (44) and seal assembly into the bore.
  5. Inspect the 3-4 accumulator spring (46) for cracks.
  6. IMPORTANT: Some models do not use a 3-4 accumulator spring.
  7. Install the 3-4 accumulator spring.