Camshaft Bearing Removal

Tools Required 

J 33049  Camshaft Bearing Service Kit

1. Select the cone (1), the handle (10), the expanding driver (4-8), the washer (2 or 3), and the expander assembly (15) from the J 33049  .
2. Assemble the J 33049  .
Fig 1: View Of J 33049 Camshaft Bearing Service Kit Components
Courtesy of GENERAL MOTORS CORP.
CAUTION: Refer to Safety Glasses Caution in Cautions and Notices.
IMPORTANT:
• A loose camshaft bearing may be caused by an enlarged, out-of-round, or damaged engine block camshaft bearing bore.
• Always remove the camshaft inner bearings #2 and #3 first. The camshaft outer bearings #1 and #4 serve as a guide for the J 33049  .
3. Remove the camshaft inner bearings #2 and #3.
   1. Insert the J 33049  through the front of the engine block and into the camshaft inner bearing #2.
   2. Tighten the J 33049  expander assembly nut until snug.
   3. Push the J 33049  guide cone into the camshaft front bearing in order to align the J 33049  .
   4. Drive the camshaft inner bearing #2 from the camshaft inner bearing bore #2.
   5. Loosen the J 33049  expander assembly nut.
   6. Remove the camshaft inner bearing #2 from the J 33049  expander assembly.
   7. Insert the J 33049  expander assembly into the camshaft inner bearing #3.
   8. Tighten the J 33049  expander assembly nut until snug.
   9. Push the J 33049  guide cone into the camshaft front bearing in order to align the J 33049  .
   10. Drive the camshaft inner bearing #3 from the camshaft inner bearing bore #3.
   11. Loosen the J 33049  expander assembly nut.
   12. Remove the camshaft inner bearing #3 from the J 33049  expander assembly.
Fig 2: Removing/Installation Camshaft Inner Bearing Using J 33049
Courtesy of GENERAL MOTORS CORP.
4. Remove the J 33049  from the engine block.
5. Remove the camshaft outer bearings #1 and #4.
   1. Insert the J 33049  into the camshaft outer bearing #1.
   2. Tighten the J 33049  expander assembly nut until snug.
   3. Drive the camshaft outer bearing #1 from the camshaft outer bearing bore #1.
   4. Loosen the J 33049  expander assembly nut.
   5. Remove the camshaft outer bearing #1 from the J 33049  expander assembly.
   6. Remove the J 33049  from the engine block.
   7. Insert the J 33049  into the camshaft outer bearing #4.
   8. Tighten the J 33049  expander assembly nut until snug.
   9. Drive the camshaft outer bearing #4 from the camshaft outer bearing bore #4.
   10. Loosen the J 33049  expander assembly nut.
   11. Remove the camshaft outer bearing #4 from the J 33049  expander assembly.
6. Remove the J 33049  from the engine block.
7. Discard the camshaft bearings.