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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 >> Drive Pinion Housing and/or Seal Replacement >> Installation Procedure

Installation 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.
    Fig 1: Removing/Installing Filter Assembly
    GM735400Courtesy of GENERAL MOTORS CORP.
  1. Install a new filter assembly.
  2. Install the locating pins, if removed.
    3. Fig 2: Clutch Drum & Pinion Shaft
    GM1253119Courtesy of GENERAL MOTORS CORP.
  3. Install the clutch drum (1) to the pinion shaft (2) by shaking the drum while rotating the drum back and forth to engage the splines of the pump rotor and bushing.
    4. Fig 3: Clutch Drum Oil Seal
    GM1253122Courtesy of GENERAL MOTORS CORP.
  4. When properly engaged, the clutch drum will be fully seated against the clutch drum oil seal (1).
    5. Fig 4: RDM Housing Sealing Surface
    GM792851Courtesy of GENERAL MOTORS CORP.
  5. Apply a continuous bead of sealer Saturn P/N 12346240 of equal height and width to the RDM housing sealing surface.

    Specification:  Apply sealer to a height and width of 2.5 mm (0.098 in).

    6. IMPORTANT: Do not disturb the sealer bead applied to the RDM sealing surface.
    Fig 5: Clutch Housing Cover & RDM
    GM1253125Courtesy of GENERAL MOTORS CORP.
  6. Install the clutch housing cover (1) to the RDM.
  7. Hand install the clutch housing cover bolts (2).
    8. NOTE: Refer to Fastener Notice .
  8. Install the housing cover mounting bolts (1).

    Tighten:  Tighten the bolts to 26 N.m (19 lb ft).

    9. IMPORTANT: Strict adherence to the sealer cure time must be observed.
  9. Allow the sealer to cure a minimum of 8 hours.
    10. Fig 6: Installing Input Shaft Seal On The Housing Cover
    GM1253127Courtesy of GENERAL MOTORS CORP.
  10. Using the J 44851  (1) install the input shaft seal (2) to the housing cover (3). See Special Tools .
    11. Fig 7: Inspecting Dust Deflector For Cracks
    GM693550Courtesy of GENERAL MOTORS CORP.
  11. Install the dust deflector (2) to the input flange (1) if removed.
    12. Fig 8: Removing/Installing Input Flange On The Clutch Shaft
    GM693549Courtesy of GENERAL MOTORS CORP.
  12. Install the input flange (2) to the clutch shaft.
  13. Hand install a new input flange nut (1) to the clutch shaft.
    14. Fig 9: Installing J44873 On The Pinion Flange
    GM1265096Courtesy of GENERAL MOTORS CORP.
  14. Install the J 44873  (1) to the pinion flange (2). See Special Tools .
  15. Using a breaker bar to hold the J 44873  stationary, tighten the pinion nut. See Special Tools .

    Tighten:  Tighten the nut to 203 N.m (150 lb ft).

    16. Fig 10: Removing/Installing RDM Drain Plug
    GM693541Courtesy of GENERAL MOTORS CORP.
  16. Thoroughly clean the drain plug threads and apply thread sealer Saturn P/N 21485278 to the plug threads.
  17. Install the RDM drain plug.

    Tighten:  Tighten the plug to 30 N.m (22 lb ft).

    18. Fig 11: Removing/Installing Fill Plug
    GM792776Courtesy of GENERAL MOTORS CORP.
  18. Remove the RDM fill plug.
  19. Thoroughly clean the fill plug threads and apply thread sealer Saturn P/N 21485278 to the plug threads.
  20. Fill the RDM with lubricant. Refer to Rear Axle Lubricant Replacement .
  21. Install the fill plug.

    Tighten:  Tighten the plug to 35 N.m (26 lb ft).

    22. Fig 12: Removing/Installing Propeller Shaft Flange Mounting Bolts
    GM928922Courtesy of GENERAL MOTORS CORP.
  22. Thoroughly clean and apply threadlocker Saturn P/N 21005994 to the propeller shaft flange mounting bolt threads.
  23. Align the reference marks on the propeller shaft flange and the RDM input flange.
  24. Install the propeller shaft flange mounting bolts.

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

    25. Fig 13: Removing/Installing Propeller Shaft Shield On RDM
    GM693547Courtesy of GENERAL MOTORS CORP.
  25. Install the propeller shaft shield (2) to the RDM.
  26. Install the propeller shaft shield mounting bolts (1).

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

    27. Fig 14: View Of Propeller Shaft
    GM935370Courtesy of GENERAL MOTORS CORP.
  27. Install the propeller shaft underbody guard loop.
  28. Install the propeller shaft underbody guard loop bolts.

    Tighten:  Tighten the bolts to 24 N.m (18 lb ft).

  29. Lower the vehicle.
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