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Home >> Hummer >> 2007 >> H3 Automatic >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transmission - 4L60-E/4L65-E/4L70-E - Removal & Installation, Overhaul, Troubleshooting & Diagnosis >> Repair Instructions - Off Vehicle >> 1-2 Accumulator Installation >> Installation Procedure

Installation Procedure

    Fig 1: Identifying Solenoid Screens
    GM7736Courtesy of GENERAL MOTORS CORP.
  1. Inspect the valve body spacer plate and the solenoid screens (49, 50) for damage or debris.

    Replace the solenoid screens (49, 50) if necessary.

  2. Fig 2: Locating #1 Checkball
    GM5455Courtesy of GENERAL MOTORS CORP.
  3. Install the #1 checkball into the case.
  4. Fig 3: View Of Valve Body Gasket, Spacer Plate & Case Gasket
    GM1730074Courtesy of GENERAL MOTORS CORP.
  5. Install the J 25025-5  into the case. See Special Tools .
  6. IMPORTANT: Some models use a bonded spacer plate (48). Do not reuse the bonded spacer plate. Replace with a NEW bonded spacer plate.
  7. Place the spacer plate to case gasket (47) (identified by a "CA") and the spacer plate to valve body gasket (52) (identified by a "VB") on the spacer plate (48). When properly assembled, all identifiers will be visible and will align. Retain gaskets on the spacer plate with J 36850  or equivalent.
  8. Place the spacer and the spacer plate gaskets on the case.
  9. Fig 4: View Of Spacer Plate Support Plate & Bolts
    GM1283236Courtesy of GENERAL MOTORS CORP.
  10. Install the spacer plate support plate (53 or 113).
  11. Install the spacer plate support bolts (77).
  12. NOTE: Refer to FASTENER NOTICE .
  13. Install the accumulator bolt (115), model dependent.

    Tighten:  Tighten the accumulator bolt to 11 N.m (8.11 lb ft).

  14. Fig 5: Installing 1-2 Accumulator Housing Bolts
    GM1283239Courtesy of GENERAL MOTORS CORP.
  15. Install the 1-2 accumulator housing assembly (57 or 116).
  16. Install the 1-2 accumulator housing bolts (58, 59 or 117, 118).

    Tighten: 

    • Tighten the bolts 58 and 59 to 11 N.m (8 lb ft).
    • Tighten the bolts 117 and 118 to 8-14 N.m (6-10 lb ft).