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Home >> Hummer >> 2006 >> H2 4D Utility Pickup >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transmission - 4L60-E/4L65-E/4L70-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis >> Repair Instructions >> 2-4 Servo >> Installation Procedure

Installation Procedure

  1. Install new seals on the servo pistons and the servo cover.
    2. Fig 1: View Of 2-4 Servo
    GM642523Courtesy of GENERAL MOTORS CORP.
  2. Install the 2-4 servo assembly into the transmission.
  3. Install the J 29714-A  . See Special Tools .
    4. Fig 2: Compressing The Servo Cover Using J 29714-A
    GM14478Courtesy of GENERAL MOTORS CORP.
  4. Tighten the bolt in order to compress the servo cover.
  5. Install the servo cover retaining ring.
  6. Remove the J 29714-A  from the oil pan flange. See Special Tools .
    7. NOTE: Refer to Fastener Notice in Cautions and Notices.
  7. Install the oil pan bolt.

    Tighten:  Tighten the oil pan bolt to 11 N.m (97 lb in).

    8. Fig 3: View Of Transmission Heat Shield Bolts & Shield
    GM394459Courtesy of GENERAL MOTORS CORP.
  8. Install the heat shield.
  9. Install the two bolts securing the transmission heat shield to the transmission.

    Tighten:  Tighten the bolts to 17 N.m (13 lb ft).

  10. Install the right hand catalytic converter. Refer to Catalytic Converter Replacement in Engine Exhaust.
  11. Lower the vehicle.
  12. Fill the transmission to the proper level with DEXRON® VI transmission fluid. Refer to Transmission Fluid Check .
    13. 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.
  13. Reset the TAP values. Refer to Transmission Adaptive Functions .
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