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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 840 (Transfer Case - STEYR) >> Repair Instructions >> Drive Pinion Flange/Yoke and/or Oil Seal Replacement >> Tools Required

Tools Required

WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise and support the vehicle.
  2. Remove the extension housing vent hose (2) and clamp. Refer to VENT HOSE ASSEMBLY REPLACEMENT  .
  3. Remove the propeller shaft. Refer to PROPELLER SHAFT REPLACEMENT .
    Fig 1: Removing Extension Housing Vent Hose And Clamp
    G01499958Courtesy of GENERAL MOTORS CORP.
  4. Place a container under the extension housing.
  5. Remove the lubricant drain plug (1) and gasket.

    Allow the oil to drain.

    Fig 2: Removing Lubricant Drain Plug
    G01499959Courtesy of GENERAL MOTORS CORP.
  6. Remove the bolts (3), extension housing assembly (1), and shim (2) from the transfer case.

    Reference mark the shim for proper reassembly.

    Fig 3: Removing Bolts, Extension Housing Assembly And Shim
    G01499960Courtesy of GENERAL MOTORS CORP.
  7. Install the extension housing assembly (3) to the J 44755  (2) with M8 x 1.25 bolts.

    Tighten 

    Tighten the bolts to 25 N.m (18 lb ft).

    Fig 4: Installing Extension Housing Assembly
    G01499961Courtesy of GENERAL MOTORS CORP.
  8. Remove the flange nut (1).
  9. Remove the bolts and the extension housing assembly from the J 44755. 
    Fig 5: Removing Flange Nut
    G01499962Courtesy of GENERAL MOTORS CORP.
  10. Position the extension housing assembly into a press.
  11. Press the pinion shaft from the flange.
  12. Remove and discard the extension housing seal.
    Fig 6: Pressing Pinion Shaft From Flange
    G01499963Courtesy of GENERAL MOTORS CORP.
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