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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1018 (Engine Mechanical - 4.3L) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Balance Shaft Removal

Balance Shaft Removal

WARNING: This page is about a different car, the 2004 GMC Sierra and 2004 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the balance shaft drive gear.
    2. Fig 1: View Of Balance Shaft Drive Gear
    GM9847Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: The balance shaft drive and balance shaft driven gears are serviced as a set. The set includes the balance shaft driven gear bolt.
  2. Remove the balance shaft driven gear bolt from the balance shaft.
    1. Use a wrench in order to secure the balance shaft.

      Place the wrench onto the balance shaft near to the balance shaft front bearing.

    2. Remove the balance shaft bolt.
    3. Remove the wrench from the balance shaft.
    3. Fig 2: Locating Balance Shaft Driven Gear
    GM5136Courtesy of GENERAL MOTORS CORP.
  3. Remove the balance shaft driven gear from the balance shaft.
  4. Remove the bolts and the balance shaft retainer.
    5. Fig 3: View of Balance Shaft Retainer & Bolts
    GM188031Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: The balance shaft and the balance shaft front bearing are serviced only as a package. Do not remove the balance shaft front bearing from the balance shaft.
  5. Use a soft-faced hammer in order to remove the balance shaft from the engine block.
    6. Fig 4: Removing Balance Shaft
    GM5139Courtesy of GENERAL MOTORS CORP.
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