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) form the J 33049. 
2. Assemble the J 33049. 
   Fig 1: Removing Camshaft Bearing

   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 bearing #2 and #3.
   Fig 2: Removing Camshaft Inner Bearing

   Courtesy of GENERAL MOTORS CORP.
   1. 3.1. Insert the J 33049  through the front of engine block and into the camshaft inner bearing #2.
   2. 3.2. Tighten the J 33049  expander assembly nut until snug.
   3. 3.3. Push the J 33049  guide cone into the camshaft front bearing in order to align the J 33049. 
   4. 3.4. Drive the camshaft inner bearing #2 from the camshaft inner being bore #2.
   5. 3.5. Loosen the J 33049  expander assembly nut.
   6. 3.6. Remove the camshaft inner bearing #2 from the J 33049  expander assembly.
   7. 3.7. Insert the J 33049  expander assembly into the camshaft inner bearing #3.
   8. 3.8. Tighten the J 33049  expander assembly nut until snug.
   9. 3.9. Push the J 33049  guide cone into the camshaft front bearing tin order to align the J 33049. 
   10. 3.10. Drive the camshaft inner bearing #3 from the camshaft inner bearing bore #3.
   11. 3.11. Loosen the J 33049.  expander assembly nut.
   12. 3.12. Remove the camshaft inner bearing #3 from the J 33049.  expander assembly.
4. Remove the J 33049.  from the engine block.
5. Remove the camshaft outer bearing #1 and #4.
   1. 5.1. Insert the J 33049  into the camshaft outer bearing #1.
   2. 5.2. Tighten the J 33049  expander assembly nut until snug.
   3. 5.3. Drive the camshaft outer bearing #1 from the camshaft outer bearing bore #1.
   4. 5.4. Loosen the J 33049  expander assembly nut.
   5. 5.5. Remove the camshaft outer bearing #1 from the J 33049  expander assembly.
   6. 5.6. Remove the J 33049  from the engine block.
   7. 5.7. Insert the J 33049  into the camshaft outer bearing #4.
   8. 5.8. Tighten the J 33049  expander assembly nut until snug.
   9. 5.9. Drive the camshaft outer bearing #4 from the camshaft outer bearing bore #4.
   10. 5.10. Loosen the J 33049  expander assembly nut.
   11. 5.11. 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.