Silverado 1500 2WD V6-4.3L VIN X (2004)
Balance Shaft Bearing: Service and Repair
Balance Shaft Bearing and/or Bushing Replacement
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Tools Required
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J 26941 Bushing and Bearing Remover
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J 38834 Balance Shaft Service Kit
Removal Procedure
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.
2. Using J 26941 and the J 38834, remove the balance shaft rear bearing.
1. Install the J 26941 legs behind the balance shaft rear bearing and secure.
2. Install the J 38834-1 with the short threaded end through the balance shaft bore in the front of the engine block.
3. Install J 38834-1 into the J 26941.
4. Slide the J 38834-2 onto the J 38834-1 and into the balance shaft bore of the engine block.
5. Install the J 38834 bearing, washer, and nut onto the J 38834-1.
6. Using a wrench, secure the J 38834-1, and then rotate the J 38834 nut clockwise until the balance shaft rear bearing is removed from the
engine block.
7. Remove the J 26941 from the balance shaft rear bearing.
3. Discard the balance shaft rear bearing.
Installation Procedure
1. Using J 38834, install the balance shaft rear bearing.
1. Install the J 38834-3 onto the short threaded end of the J 38834-1.
2. Install the J 38834 nut, the washer, and the bearing on the long threaded end of the J 38834-1.
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.
4. Install the J 38834-2 on the inside of the balance shaft front bearing bore.
5. Lubricate the NEW balance shaft rear bearing with clean engine oil.
6. Install the balance shaft rear bearing onto the J 38834-2.
7. Align the balance shaft rear bearing for installation.
8. Using a wrench, secure the J 38834-1 into place.
9. Rotate the J 38834 nut until the balance shaft rear bearing is properly and completely pushed into the balance shaft rear bearing bore.
2. Remove the J 38834.
3. Install the balance shaft.
