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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1150 (Transfer Case - STEYR) >> Repair Instructions >> Drive Pinion Flange/Yoke and/or Oil Seal Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Transfer Case Hose/Clamp Assembly, Vent Hose, Bracket & Bolt
    GM630581Courtesy of GENERAL MOTORS CORP.
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the extension housing vent hose (2) and clamp. Refer to Vent Hose Assembly Replacement (LA1)  or Vent Hose Assembly Replacement (LY7) .
  3. Remove the propeller shaft. Refer to Propeller Shaft Replacement in Propeller Shaft.
    4. Fig 2: View Of Fill & Drain Plugs
    GM630583Courtesy 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.
    6. Fig 3: Identifying Extension Housing Assembly, Shim & Bolts
    GM630584Courtesy 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.

    7. Fig 4: Measuring Rotating Torque Of Drivenshaft
    GM754966Courtesy of GENERAL MOTORS CORP.
  7. If reusing the drivenshaft bearings, measure in both directions, the rotating torque of the drivenshaft and record the value for assembly.
    8. NOTE: Refer to Fastener Notice in Cautions and Notices.
    Fig 5: Identifying J 44755
    GM746838Courtesy of GENERAL MOTORS CORP.
  8. Install the extension housing assembly (3) to the J 44755  (2) with M8 x 1. See Special Tools and Equipment .25 bolts.

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

    9. Fig 6: Removing Flange Nut
    GM630580Courtesy of GENERAL MOTORS CORP.
  9. Remove the flange nut (1).
  10. Remove the bolts and the extension housing assembly from the J 44755  . See Special Tools and Equipment .
    11. Fig 7: Aligning Extension Housing Assembly Into Press
    GM630586Courtesy of GENERAL MOTORS CORP.
  11. Position the extension housing assembly into a press.
  12. Press the pinion shaft from the flange.
  13. Remove and discard the extension housing seal.
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