GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Tools Required

    • J 26941 Bushing/Bearing Remover
    • J 38834 Balance Shaft Service Kit

    Object Number: 5139  Size: SH

    Important: The balance shaft and the front bearing are serviced only as a package. Do not remove the bearing from the balance shaft.

  1. Remove the balance shaft. Refer to Balance Shaft Replacement .

  2. Object Number: 340081  Size: SH
  3. Use the J 38834 and the J 26941 in order to remove the balance shaft rear bearing.
  4. 2.1. Install the J 26941 legs behind the balance shaft rear bearing and secure.
    2.2. Install the J 38834-1 with the short threaded end through the front of the engine block.
    2.3. Install the J 38834-1 into the J 26941.
    2.4. Slide the J  38834-2 onto the J 38834-1 and into the balance shaft bore of the engine block.
    2.5. Install the bearing, washer and nut on the J 38834-1.
    2.6. Hold the J 38834-1 and turn the nut clockwise until the balance shaft rear bearing is removed.

Installation Procedure

Tools Required

J 38834 Balance Shaft Service Kit


    Object Number: 340085  Size: SH
  1. Dip the balance shaft rear bearing in clean engine oil before installation.
  2. Use the J 38834 in order to install the balance shaft rear bearing.
  3. 2.1. Install the J 38834-3 onto the short threaded end of the J 38834-1.
    2.2. Install the nut, washer, and bearing on the long threaded end the J 38834-1.
    2.3. Install the J 38834-2 so that the smaller diameter will be facing the front, onto the J 38834-1.
    2.4. Install the J 38834-2 on the inside of the balance shaft front bearing bore.
    2.5. Install the balance shaft rear bearing on the J 38834-3.
    2.6. Position the balance shaft rear bearing.
    2.7. Hold the J 38834-1 with a wrench and turn the nut counterclockwise until the balance shaft rear bearing is installed.

    Object Number: 5141  Size: SH
  4. Install the balance shaft. Refer to Balance Shaft Replacement .