GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Silverado - 4WD 🢒 Engine 🢒 Engine Mechanical - 4.3L 🢒 Camshaft Bearing Removal

Special Tools

J 33049 Camshaft Bearing Service Kit

For equivalent regional tools, refer to Special Tools.


    Object Number: 66100 Size: SH
  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 kit .
  2. Assemble the J 33049 kit .

    3. Warning: Refer to Safety Glasses Warning in the Preface section.


    Object Number: 4985 Size: SH

    Note: 

       • 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 kit .

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