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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 >> On-Vehicle Repair Instructions >> Crankshaft Balancer Replacement >> Removal Procedure

Removal Procedure

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 drive belt. Refer to Drive Belt Replacement .
  2. Remove the cooling fan. Refer to Fan Replacement in Engine Cooling.
    NOTE: To prevent damage to the end of the crankshaft when using a crankshaft balancer removal tool install a bolt in the crankshaft. Use a shorter bolt with the same threads as the crankshaft balancer bolt. This bolt will allow a place for the tool to push against. The shorter bolt is to keep from going past the threads in the crankshaft and damaging the crankshaft threads.
  3. Remove the crankshaft balancer bolt and washer.
    4. Fig 1: View Of Crankshaft Balancer Washer & Bolt
    GM173172Courtesy of GENERAL MOTORS CORP.
  4. Remove the crankshaft pulley bolts and pulley.
    5. Fig 2: View Of Crankshaft Pulley & Bolts
    GM188055Courtesy of GENERAL MOTORS CORP.
  5. UsingJ 23523-F  , remove the crankshaft balancer.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
    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. Install the J 23523-F  forcing screw into the plate.
    3. Rotate the J 23523-F  forcing screw clockwise in order to remove the crankshaft balancer.
  6. Remove the J 23523-F  from the crankshaft balancer.
    7. Fig 3: Removing Crankshaft Balancer Using J 23523-F
    GM4059Courtesy of GENERAL MOTORS CORP.
  7. Note the position and length of any crankshaft balancer weights, if necessary.
    8. Fig 4: View Of Crankshaft Balancer Weights
    GM334258Courtesy of GENERAL MOTORS CORP.
  8. Clean and inspect the crankshaft balancer, if necessary. Refer to Crankshaft Balancer Cleaning and Inspection .
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