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Home >> Hummer >> 2003 >> H2 >> Repair and Diagnosis >> Transmission >> Transfer Case - BW 4484 >> Repair Instructions >> Transfer Case Adapter Replacement >> Installation Procedure

Installation Procedure

    Fig 1: Adapter To Transmission Mounting Bolts
    GM860431Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Always use a new gasket and seal for the adapter. Do not use any type of sealant or adhesive in place of or with the gasket or the seal.
  1. Install the new seal onto the transfer case.
    2. IMPORTANT: The transfer case adapter must be installed so that the adapter is evenly seated to the transmission before installing the retaining nuts.
  2. Install the adapter to the transmission.
    3. NOTE: Refer to Fastener Notice .
  3. Install the adapter mounting bolts to the transmission.

    Tighten:  Tighten the mounting bolts to 50 N.m (36 lb ft).

    4. IMPORTANT: When installing the gasket to the adapter, make sure that the yellow printing on the gasket is facing toward the transfer case (away from the transmission). The locating tab on the gasket should always be pointing up.
  4. Install the new gasket to the adapter.
  5. Install the transfer case to the adapter. Refer to Transfer Case Assembly Replacement .
    6. Fig 2: Rear Crossmember
    GM794684Courtesy of GENERAL MOTORS CORP.
  6. Install the crossmember in the vehicle.

    Tighten:  Tighten the mounting bolts to 95 N.m (70 lb ft).

  7. Remove the transmission jack from the transmission.
  8. Check the fluid level of the transfer case. Refer to Transfer Case Fluid Replacement .
  9. Lower the vehicle. Refer to Lifting and Jacking the Vehicle .
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