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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1618 (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 2003 GMC Sierra and 2003 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the balance shaft drive gear.
    Fig 1: Removing Balance Shaft Drive Gear
    G02106171Courtesy 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. 2.1. 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. 2.2. Remove the balance shaft bolt.
    3. 2.3. Remove the wrench from the balance shaft.
  3. Remove the balance shaft driven gear from the balance shaft.
    Fig 2: Removing Balance Shaft Driven Gear & Bolt
    G02106172Courtesy of GENERAL MOTORS CORP.
  4. Remove the bolts and the balance shaft retainer.
    Fig 3: Removing Bolts & Balance Shaft Retainer
    G02106173Courtesy 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.
    Fig 4: Removing Balance Shaft From Engine Block
    G02106174Courtesy of GENERAL MOTORS CORP.
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