GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 45228 Pinion Bearing Cup Remover and Installer

  1. Install the inner pinion bearing cup into the inner pinion bearing cup bore.

  2. Object Number: 767104  Size: SH
  3. Assemble the J 45228-1 (2), the J 45228-2 (3), and the J 45228-5 (1) into the pinion bearing cup bore as shown.
  4. Tighten the J 45228-5 (1) slowly to draw the inner pinion cup into the inner pinion bearing cup bore.
  5. Inspect the position of the inner pinion bearing cup as it is being drawn into the pinion bearing cup bore to ensure the bearing cup is being pulled straight into the pinion bearing cup bore. If the pinion bearing cup is not being pulled straight into the bearing cup bore, remove the J 45228 and the pinion bearing cup and reposition the inner pinion bearing cup.

  6. Tighten the J 45228-5 (1) until the inner pinion bearing cup is seated in the inner pinion bearing cup bore.
  7. Remove the J 45228 .
  8. Install the outer pinion bearing cup into the outer pinion bearing cup bore.

  9. Object Number: 767101  Size: SH
  10. Assemble the J 45228-1 (3), the J 45228-2 (2), and the J 45228-5 (1) into the pinion bearing cup bore as shown.
  11. Tighten the J 45228-5 (1) slowly to draw the outer pinion cup into the outer pinion bearing cup bore.
  12. Inspect the position of the outer pinion bearing cup as it is being drawn into the pinion bearing cup bore to ensure the bearing cup is being pulled straight into the pinion bearing cup bore. If the pinion bearing cup is not being pulled straight into the bearing cup bore, remove the J 45228 and the pinion bearing cup and reposition the outer pinion bearing cup.

  13. Tighten the J 45228-5 until the outer pinion bearing cup is seated in the outer pinion bearing cup bore.
  14. Remove the J 45228 .