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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1611 (Front Drive Axle) >> Repair Instructions >> Pinion Bearing Cup Installation >> Tools Required

Tools Required

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J 36598  Holding Fixture

  1. Install the J 36598  into a vise.
  2. Install the left differential carrier case half into the J 36598  and the J 36598-6, 8.25 inch axle, or the J 36598  (1), 9.25 inch axle.

    Tighten the attaching bolts securely.

  3. Install the J 36598-3, 8.25 inch axle, or the J 36598-4, 9.25 inch axle (2), onto the forcing screw of the J 36598. 
  4. Install the outer pinion bearing cup into the differential carrier case.
    Fig 1: J 36598 & J 36598-4
    G01480507Courtesy of GENERAL MOTORS CORP.
  5. Install the J 36598-3, 8.25 inch axle, or the J 36598-4, 9.25 inch axle (2) onto the outer pinion bearing cup.

    Rotate the J 36598-3 or the J 36598-4 and the outer pinion bearing cup several time in order to seat the outer pinion bearing cup evenly within the outer pinion bearing cup bore.

  6. Install the outer pinion bearing cup into the differential carrier case half by holding the forcing screw of the J 36598  and turning the handle counterclockwise.
  7. Remove the J 36598-3 or the J 36598-4 from the forcing screw of the J 36598. 
  8. Install the J 36598-15 (2) into the outer pinion bearing cup.
  9. Install the inner pinion bearing cup into the inner pinion bearing cup bore.
    Fig 2: Install J 36598-15 Into Outer Pinion Bearing Cup
    G01480508Courtesy of GENERAL MOTORS CORP.
  10. Place the J 36598-3, 8.25 inch axle, or the J 36598-4, 9.25 inch axle (2), over the inner pinion bearing cup.
  11. Extend the forcing screw of the J 36598  (1) through the J 36598-15 and thread it into the J 36598-3 or the J 36598-4 (2) until fully seated.
  12. Rotate the J 36598-3 or the J 36598-4 several times in order to ensure the inner pinion bearing cup is evenly seated and not mis-aligned in the bore.
  13. Install the inner pinion bearing cup into the differential carrier case half by holding the forcing screw of the J 36598  and turning the handle clockwise.
  14. Remove the J 36598-3 or the J 36598-4 and the J 36598-15.
  15. Remove the differential carrier case.
  16. Remove the J 36598  from the vise.
  17. Determine the selective shim thickness for the pinion. Refer to Pinion Depth Adjustment .
Fig 3: J 36598 & J 36598-4
G01480509Courtesy of GENERAL MOTORS CORP.
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