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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1875 (Rear Drive Axle) >> Repair Instructions >> Differential Clutch Drum Assembly Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
    2. Fig 1: View Of Propeller Shaft
    GM935370Courtesy of GENERAL MOTORS CORP.
  2. Remove the propeller shaft underbody guard loop bolts.
  3. Remove the guard loop.
    4. Fig 2: Removing/Installing Propeller Shaft Flange Mounting Bolts
    GM928922Courtesy of GENERAL MOTORS CORP.
  4. Reference mark the propeller shaft flange-to-pinion flange relationship at the rear drive module (RDM).
  5. Remove the propeller shaft flange mounting bolts at the RDM pinion flange.
  6. Position the end of the propeller shaft away from the RDM and secure with heavy mechanics wire, or equivalent.
    7. Fig 3: Removing/Installing RDM Drain Plug
    GM693541Courtesy of GENERAL MOTORS CORP.
  7. Place a container under the RDM housing.
  8. Remove the RDM drain plug.
  9. Drain the RDM fluid.
    10. Fig 4: Installing J44873 On The Pinion Flange
    GM1265096Courtesy of GENERAL MOTORS CORP.
  10. Install the J 44873  (1) to the pinion flange (2) using the J 44873-2 shoulder bolts. See Special Tools .
  11. Using a breaker bar to hold the J 44873  stationary, loosen the pinion flange nut. See Special Tools .
    12. Fig 5: Removing/Installing Input Flange On The Clutch Shaft
    GM693549Courtesy of GENERAL MOTORS CORP.
  12. Remove and discard the pinion flange nut (1).
  13. Remove the pinion flange (2).
    14. Fig 6: View Of RDM Housing Cover & Bolts
    GM792777Courtesy of GENERAL MOTORS CORP.
  14. Remove the RDM housing cover bolts (1).
  15. Carefully remove the housing cover (2) from the RDM.
    16. Fig 7: Clutch Drum & Housing Cover
    GM693566Courtesy of GENERAL MOTORS CORP.
  16. Remove the clutch drum (2) from the housing cover (1).
    17. Fig 8: Removing/Installing Filter Assembly
    GM735400Courtesy of GENERAL MOTORS CORP.
  17. Remove the filter assembly.
  18. Remove the locating pins.
    19. IMPORTANT: Do not gouge the housing cover and RDM sealing surfaces.
  19. Remove all traces of sealer from the housing cover and RDM sealing surfaces.
  20. Clean the housing cover and RDM sealing surfaces with denatured alcohol or equivalent, and dry with a clean, lint free cloth.
    21. Fig 9: Inspecting Pinion Flange Sealing Surface
    GM734843Courtesy of GENERAL MOTORS CORP.
  21. Check the pinion flange sealing surface (1) for wear or gouges, the bolt threads (2) for damage and the pinion splines (3) for worn or damaged splines.
    22. Fig 10: Inspecting Dust Deflector For Cracks
    GM693550Courtesy of GENERAL MOTORS CORP.
  22. Inspect the dust deflector (2) for cracks.
    23. Fig 11: Inspecting Pinion Flange Seal
    GM1346885Courtesy of GENERAL MOTORS CORP.
  23. Inspect the pinion flange seal (1), the front seal (2) and the rear seal (3) for tears, cuts, and gouges on the seals and sealing surfaces.
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