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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 19 (Automatic Transmission - 4L60-E/4L65-E/4L70-E - Introduction (2 Of 2)) >> Repair Instructions >> Off-Vehicle Repair Instructions >> 1-2 Accumulator Assemble

1-2 Accumulator Assemble

WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Locating Accumulator Piston & Oil Seal Ring
    GM1730070Courtesy of GENERAL MOTORS CORP.
  1. Inspect the 1-2 accumulator piston (56) for the following conditions:
    • Porosity
    • Cracks
    • Scoring
    • Nicks and Scratches
  2. Install a 1-2 accumulator piston oil seal ring (55) on the 1-2 accumulator piston (56).
    3. Fig 2: Locating 1-2 Accumulator Housing Inspection Areas
    GM828121Courtesy of GENERAL MOTORS CORP.
  3. Inspect the 1-2 accumulator housing for the following conditions:
    • Porosity
    • Cracks
    • Scoring
    • Nicks and Scratches
    • Debris or blocked passages
    4. Fig 3: View Of 1-2 Accumulator Piston, Inner & Outer Accumulator Springs & Housing
    GM1755949Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Some models may not use an outer 1-2 accumulator spring (54).
  4. Install the 1-2 inner (104) and outer (54) accumulator springs.
  5. Install the 1-2 accumulator piston (56).
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