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Home >> Chevrolet >> 2002 >> Astro Van Passenger, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 829 (Engine Mechanical - 4.3L) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Crankshaft Balancer Removal

Crankshaft Balancer Removal

WARNING: This page is about a different car, the 2003 GMC Safari and 2003 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.

Tools Required 

J 23523-F  Balancer Remover and Installer

  1. Remove the crankshaft balancer bolt and washer.
    Fig 1: Removing Crankshaft Balancer Bolt And Washer
    G01643795Courtesy of GENERAL MOTORS CORP.
  2. Remove the bolts and the crankshaft pulley.
    Fig 2: Removing Bolts And Crankshaft Pulley
    G01643796Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  3. Use the J 23523-F  in order to remove the crankshaft balancer.
    1. 3.1. Install the J 23523-F  plate and bolts onto the crankshaft balancer.

      Tighten 

      Tighten the bolts to 25 N.m (18 lb ft).

    2. 3.2. Install the J 23523-F  forcing screw into the plate.
    3. 3.3. Rotate the J 23523-F  forcing screw clockwise in order to remove the crankshaft balancer.
    Fig 3: Removing Crankshaft Balancer
    G01643797Courtesy of GENERAL MOTORS CORP.
  4. Remove the J 23523-F  from the crankshaft balancer.

    Important: 

    If replacing the crankshaft balancer, NEW weights must be installed into the NEW crankshaft balancer, in the same location as the old weights in the old balancer.

  5. Note the position and length of any crankshaft balancer front groove pins, if applicable.
    Fig 4: Replacing Crankshaft Balancer
    G01643798Courtesy of GENERAL MOTORS CORP.