GM Service Manual Online
For 1990-2009 cars only

Special Tools

J 38834 Balance Shaft Service Kit

For equivalent regional tools, refer to Special Tools.

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


    Object Number: 340085  Size: SH
  1. Use the J 38834 kit in order to install the balance shaft rear bearing.
  2. 1.1. Install the J 38834-3 onto the short threaded end of the J 38834-1.
    1.2. Install the J 38834 kit nut, the washer, and the bearing on the long threaded end of the J 38834-1.
    1.3. Install the J 38834-2 onto the J 38834-1 so that the smaller diameter of the J 38834-2 will be facing the front of the engine block.
    1.4. Install the J 38834-2 on the inside of the balance shaft front bearing bore.
    1.5. Lubricate the NEW balance shaft rear bearing with clean engine oil.
    1.6. Install the balance shaft rear bearing onto the J 38834-2.
    1.7. Align the balance shaft rear bearing for installation.
    1.8. Using a wrench secure the J 38834-1 into place.
    1.9. Rotate the J 38834 kit nut until the balance shaft rear bearing is properly and completely pushed into the balance shaft rear bearing bore.
  3. Remove the J 38834 kit .