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Home >> Chevrolet >> 2005 >> Chevy Express H1500, Van Passenger >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Mechanical - 4.3L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Crankshaft Balancer Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical.
  2. Remove the fan shroud assembly. Refer to Fan Shroud Replacement - Lower in Engine Cooling.
  3. Remove the drive belt. Refer to Drive Belt Replacement .
    4. Fig 1: View Of Crankshaft Balancer Washer & Bolt
    GM173172Courtesy of GENERAL MOTORS CORP.
  4. Remove the crankshaft balancer bolt and washer.
    5. Fig 2: View Of Crankshaft Pulley & Bolts
    GM188055Courtesy of GENERAL MOTORS CORP.
  5. Remove the bolts and the crankshaft pulley.
    6. Fig 3: Crankshaft Balancer Using J 23523-F
    GM4059Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  6. Use the J 23523-F  in order to remove the crankshaft balancer. See Special Tools .
    1. Install the J 23523-F  plate and bolts onto the crankshaft balancer. See Special Tools .

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

    2. Install the J 23523-F  forcing screw into the plate. See Special Tools .
    3. Rotate the J 23523-F  forcing screw clockwise in order to remove the crankshaft balancer. See Special Tools .
  7. Remove the J 23523-F  from the crankshaft balancer. See Special Tools .
    8. Fig 4: View Of Crankshaft Balancer Weights
    GM334258Courtesy 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 .
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