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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 471 (Transfer Case - STEYR) >> Repair Instructions >> Drive Pinion Flange/Yoke and/or Oil Seal Replacement >> Installation Procedure

Installation Procedure

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. Use the J 36797  in order to install a new oil seal (2) into the extension housing.
    Fig 1: Install Oil Seal Into Extension Housing
    G01499964Courtesy of GENERAL MOTORS CORP.
  2. Position the flange and the extension housing assembly into a press.
  3. Lightly lubricate the splines on the driven shaft.
  4. Press the flange (1) onto the driven shaft.
    Fig 2: Pressing Flange Onto Driven Shaft
    G01499965Courtesy of GENERAL MOTORS CORP.
  5. Install the extension housing assembly to the J 44755  (2) using M8x 1.25 bolts (1).
    Fig 3: Installing Extension Housing Assembly
    G01499966Courtesy of GENERAL MOTORS CORP.

    Tighten 

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

  6. Install the flange nut (1) onto the driven shaft.

    Tighten 

    Tighten the flange nut to 250 N.m (185 lb ft).

  7. Remove the extension housing assembly from the J 44755. 
    Fig 4: Installing Flange Nut
    G01499967Courtesy of GENERAL MOTORS CORP.
  8. Measure the rotating torque of the driven shaft in both directions.
    Fig 5: Measuring Rotating Torque Of Driven Shaft
    G01499968Courtesy of GENERAL MOTORS CORP.

    Specification 

    The driven shaft and bearings should have a rotating torque of 1.5 N.m (13 Ib. in).

  9. Apply sealant GM P/N United States 12346004 GM P/N Canada 10953480, or equivalent to both sides of the shim.
  10. Align the reference marks and install the shim (2) to the transfer case.
  11. Install the extension housing (1) and bolts (3) to the shim and transfer case.
    Fig 6: Installing Extension Housing And Bolts Shim
    G01499969Courtesy of GENERAL MOTORS CORP.

    Tighten 

    Tighten the extension housing bolts to 32 N.m (24 lb ft).

  12. Install the extension housing drain plug (1) and gasket to the extension housing.

    Tighten 

    Tighten the plug to 32 N.m (24 Ib. in).

  13. Remove the extension housing fill plug (2) and gasket.
  14. Fill the extension housing with gear oil. Refer to TRANSFER CASE FLUID REPLACEMENT  .
  15. Install the extension housing fill plug and gasket.

    Tighten 

    Tighten the plug to 28 N.m (21 Ib. in).

    Fig 7: Installing Extension Housing Drain Plug
    G01499970Courtesy of GENERAL MOTORS CORP.
  16. Install the vent hose (2) and clamp (1). Refer to VENT HOSE ASSEMBLY REPLACEMENT  .
  17. Install the propeller shaft. Refer to PROPELLER SHAFT REPLACEMENT .
  18. Lower the vehicle.
    Fig 8: Installing Vent Hose And Clamp
    G01499971Courtesy of GENERAL MOTORS CORP.
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