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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1970 (Rear Drive Axle) >> Repair Instructions >> Differential Housing Support Bushing Replacement (Rear) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying Proper Bushing Alignment
    GM1827608Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Failure to perform the following service procedure prior to the installation of the new bushing, could cause premature failure of the bushing.
  1. Before the installation of the new bushing, use a straight edge draw a line on the new bushing at the 12 and 6 o'clock positions. Ensure that the grooves (1) are at the 12 and 6 o'clock positions.
  2. Position the new bushing so that the reference marks on the frame and the bushing are in alignment. This will ensure that the new bushing will be within the + or - 5° specification required for the proper alignment of the bushing.
  3. IMPORTANT: The following procedure is to temporarily hold the new bushing in place so that the special tools can be installed for the proper installation. This is NOT to be used to install the bushing.
  4. Using a block of wood and a hammer, slightly tap the bushing into the frame.
  5. Assemble the threaded rod, bearings and washers as indicated in step 7 in the removal procedure.
  6. Fig 2: Identifying Special Tools - J-45725-2 And J-45725-2A
    GM1827963Courtesy of GENERAL MOTORS CORP.
  7. Position the J-45725-4 (2) on the inside of the frame.
  8. Position J-45725-1A (1) on the outside of the frame.
  9. Adjust the nuts so that they are touching the J-45725-2 (1) and the J-45725-2A (2).
  10. Fig 3: Installing Busing
    GM1827503Courtesy of GENERAL MOTORS CORP.
  11. While holding the front wrench (2) rotate the rear wrench (1) to install the bushing.
  12. Remove the special tools.
  13. Install the rear differential assembly. Refer to Differential Replacement .
  14. Lower the vehicle.