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Home >> Hummer >> 2008 >> H3 Luxury, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 23 (Automatic Transmission - 4L60-E/4L65-E/4L70-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> On-Vehicle Repair Information >> Accumulator Assembly, Spacer Plate, and Gaskets >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2008 Isuzu i-370, 2008 Isuzu i-290, 2008 GMC Canyon, and 2008 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Accumulator Piston Seal & Accumulator Piston
    GM298143Courtesy of GENERAL MOTORS CORP.
  1. Install a new 3-4 accumulator piston seal (1) to the 3-4 accumulator piston.
    2. Fig 2: Identifying 3-4 Accumulator Piston
    GM647519Courtesy of GENERAL MOTORS CORP.
  2. Install the 3-4 accumulator piston (2) onto the pin (1) in the transmission case.

    Ensure that the 3-4 accumulator piston legs face away from the transmission case.

    3. Fig 3: Locating Transmission Case Components
    GM686979Courtesy of GENERAL MOTORS CORP.
  3. Install the J 25025-B  (2, 3) to the transmission case. See Special Tools .
    4. Fig 4: View Of Solenoid Screens, Check Ball & Accumulator Spring
    GM686994Courtesy of GENERAL MOTORS CORP.
  4. Install the spacer plate to transmission case gasket and the spacer plate to valve body gasket to the spacer plate; use J 36850  in order to retain the gaskets to the spacer plate.
    • The case gasket is identified by a C.

      Be sure to place the case gasket on the transmission case side of the spacer plate.

    • The valve body gasket is identified by a V.

      Be sure to place the valve body gasket on the valve body side of the spacer plate.

  5. Ensure that the solenoid screens (1, 2) are in place on the spacer plate.
  6. Use a small amount of J 36850  in order to retain the checkball (3) on the spacer plate in the location shown.
  7. Place the 3-4 accumulator spring (4) on the spacer plate.
  8. Install the spacer plate and related components to the transmission.
  9. Look through the hole in the spacer plate to ensure that the checkball has remained in the proper location (4WD only).
    10. Fig 5: View Of Spacer Plate Support Retaining Bolts
    GM1403684Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  10. Install the spacer plate support and the spacer plate support retaining bolts.

    Tighten:  Tighten the spacer plate support retaining bolts to 11 N.m (97 lb in).

    • RWD (1)
    • 4WD (2)
    11. Fig 6: View Of Spacer Plate Support And Checkball Location
    GM687023Courtesy of GENERAL MOTORS CORP.
  11. After installing the spacer plate support (2), look through the hole in the spacer plate to ensure that the checkball (1) has remained in the proper location (RWD only).
    12. Fig 7: View Of Accumulator Piston Seal & Accumulator Piston
    GM298143Courtesy of GENERAL MOTORS CORP.
  12. Install a new 1-2 accumulator piston seal (1) to the 1-2 accumulator piston.
    13. Fig 8: 1-2 Accumulator, Inner And Outer Springs
    GM71462Courtesy of GENERAL MOTORS CORP.
  13. Install the 1-2 accumulator inner and outer springs to the 1-2 accumulator cover.
  14. Install the 1-2 accumulator piston onto the pin in the 1-2 accumulator cover.

    Ensure that the piston legs face the accumulator cover.

    15. Fig 9: View Of 1-2 Accumulator Cover Retaining Bolts
    GM1403685Courtesy of GENERAL MOTORS CORP.
  15. Install the 1-2 accumulator cover and the accumulator cover retaining bolts.

    Tighten:  Tighten the accumulator cover retaining bolts to 11 N.m (97 lb in).

    • RWD (1)
    • 4WD (2)
  16. Remove the J 25025-B  from the transmission case. See Special Tools .
  17. Install the control valve body. Refer to Valve Body and Pressure Switch Replacement .
  18. Install the transmission filter and oil pan. Refer to Automatic Transmission Fluid and Filter Replacement .
    19. IMPORTANT: It is recommended that transmission adaptive pressure (TAP) information be reset.
    Resetting the TAP values using a scan tool will erase all learned values in all cells. As a result, The ECM, PCM or TCM will need to relearn TAP values. Transmission performance may be affected as new TAP values are learned.
  19. Reset the TAP values. Refer to Transmission Adaptive Functions .
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