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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 144 (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 2003 GMC Savana and 2003 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnect/Connect Procedure . =
  2. Remove the fan shroud assembly. Refer to FAN SHROUD REPLACEMENT .
  3. Remove the drive belt. Refer to Drive Belt Replacement .
  4. Remove the crankshaft balancer bolt and washer.
    Fig 1: Removing Crankshaft Balancer Bolt & Washer
    G02077819Courtesy of GENERAL MOTORS CORP.
  5. Remove the bolts and the crankshaft pulley.
    Fig 2: Removing Bolts & Crankshaft Pulley
    G02077820Courtesy of GENERAL MOTORS CORP.
    CAUTION: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.
  6. Use the J 23523-F  in order to remove the crankshaft balancer.
    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.
  7. Remove the J 23523-F  from the crankshaft balancer.
    Fig 3: Removing Crankshaft Balancer Using J 23523-F
    G02077821Courtesy of GENERAL MOTORS CORP.
  8. Note the position and length of any front groove pins (crankshaft balancer), if applicable.
  9. Clean and inspect all parts. Refer to Crankshaft Balancer Cleaning and Inspection .
    Fig 4: Noting Position & Length Of Front Groove Pins
    G02077822Courtesy of GENERAL MOTORS CORP.
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