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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 245 (Transfer Case - STEYR - Overhaul) >> Repair Instructions >> Transfer Case Cleaning (Transmission Fiber Material) >> Procedures

Transfer Case Cleaning (Transmission Fiber Material): Procedures

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6 and 2006 Chevrolet Uplander. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Installing J 44755 Onto Transfer Case Assembly
    GM746869Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Transmission oil circulates between the transmission assembly and the transfer case differential carrier and three helical gear set. In situations where transmission related failures circulate fiber type debris, such as clutch friction disc material into the transfer case, the helical gear portion of the transfer case must be disassembled, cleaned and inspected for damage. In situations where transmission or transfer case related failures circulate metal type debris, such as bearing material, repair or overhaul of both components may be required.
  1. Install the transfer case assembly (1) onto the J 44755  (3). See Special Tools . Position the carrier onto the post of the fixture.
    2. NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  2. Install the retaining bolts (2).

    Tighten:  Tighten the bolts to 50 N.m (37 lb ft).

    3. Fig 2: Locating Speed Sensor
    GM630579Courtesy of GENERAL MOTORS CORP.
  3. Remove the speed sensor (1).
    4. Fig 3: Identifying Case Bolts
    GM630591Courtesy of GENERAL MOTORS CORP.
  4. Remove the bolts (1) from the case.
    5. Fig 4: View Of J 44755 Installed To Left Case
    GM630592Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: When separating the case halves, avoid damage to the sealing surfaces. Do not insert a screwdriver or prying tool between the case sealing surfaces.
  5. Rotate the J 44755  90 degrees. See Special Tools .
  6. Separate the right case (2) from the left case (1).
    7. Fig 5: Locating Driveshaft Nut
    GM754871Courtesy of GENERAL MOTORS CORP.
  7. Clean the left case and driveshaft gear (1) in solvent. Inspect for fiber or metal type debris within the unit and repair as required.
    8. Fig 6: View Of Idler Gear
    GM630596Courtesy of GENERAL MOTORS CORP.
  8. Clean the right case and idler gear (1) in solvent. Inspect for fiber or metal type debris within the unit and repair as required.
  9. Apply sealant GM P/N 12346004 (Canadian P/N 10953480) or equivalent to the sealing surface of the right case.
  10. Install the idler gear (1) to the right case.
    11. Fig 7: Identifying Idler Gear Long Flange Area
    GM659130Courtesy of GENERAL MOTORS CORP.
  11. Install the idler gear into the right case. The side of the gear with the long flange area (1) should be installed to the right case.
    12. Fig 8: View Of J 44755 Installed To Left Case
    GM630592Courtesy of GENERAL MOTORS CORP.
  12. Install the right case (2) to the left case (1).
    13. Fig 9: Identifying Case Bolts
    GM630591Courtesy of GENERAL MOTORS CORP.
  13. Install the bolts (1) to the case.

    Tighten:  Tighten the bolts to 60 N.m (44 lb ft).

    14. Fig 10: Locating Speed Sensor
    GM630579Courtesy of GENERAL MOTORS CORP.
  14. Install the speed sensor (1) and O-ring.
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