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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1392 (Engine Mechanical - 4.3L) >> Repair Instructions - On Vehicle >> Crankshaft Balancer Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2009 GMC Sierra and 2009 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Crankshaft Balancer Weights
    GM334258Courtesy of GENERAL MOTORS CORP.
    NOTE: The length and location of the weight(s) must be the same as the original.
  1. Apply a small amount of grease to the crankshaft front cover seal sealing surface if reusing the seal.
  2. Ensure that the crankshaft balancer weight(s) is installed in the proper location, if necessary.
    3. Fig 2: View Of Crankshaft Balancer
    GM188059Courtesy of GENERAL MOTORS CORP.
    CAUTION: The inertial weight section of the crankshaft balancer is assembled to the hub with a rubber type material. The correct installation procedures (with the proper tool) must be followed or movement of the inertial weight section of the hub will destroy the tuning of the crankshaft balancer.
  3. Apply a small amount of adhesive into the crankshaft balancer keyway in order to seal the crankshaft balancer keyway and crankshaft joint. Refer to Adhesives, Fluids, Lubricants, and Sealers  for the correct part number.
  4. Align the keyway of the crankshaft balancer with the crankshaft balancer key.
  5. Install the crankshaft balancer onto the end of the crankshaft.
    6. Fig 3: Using J 23523-F To Press Crankshaft Balancer Onto Crankshaft
    GM4065Courtesy of GENERAL MOTORS CORP.
  6. Using J 23523-F  , press the crankshaft balancer onto the crankshaft. See Special Tools .
    1. Install the J 23523-F  plate and bolts onto the front of the crankshaft balancer and tighten the bolts to 25 N. See Special Tools .m (18 lb ft).
    2. Install the J 23523-F  forcing screw into the end for the crankshaft. See Special Tools .
    3. Install the J 23523-F  bearing, the washer, and the nut onto the forcing screw. See Special Tools .
    4. Rotate the J 23523-F  nut clockwise until the crankshaft balancer hub is completely seated against the crankshaft position sensor reluctor ring. See Special Tools .
  7. Remove the J 23523-F  . See Special Tools .
    8. Fig 4: View Of Crankshaft Pulley & Bolts
    GM188055Courtesy of GENERAL MOTORS CORP.
  8. Install the crankshaft pulley and bolts. Finger tighten all bolts until snug in order to fully seat the pulley.
  9. Tighten the bolts to 58 N.m (43 lb ft).
    10. Fig 5: Identifying Crankshaft Balancer Washer Crown
    GM342203Courtesy of GENERAL MOTORS CORP.
  10. Ensure that the crown of the crankshaft balancer washer (2) is faced away from the engine.
    11. Fig 6: View Of Crankshaft Balancer Washer & Bolt
    GM173172Courtesy of GENERAL MOTORS CORP.
  11. Install the crankshaft balancer washer and bolt and tighten to 95 N.m (70 lb ft).
  12. Install the cooling fan. Refer to Fan Replacement (Mechanical) .
  13. Install the drive belt. Refer to Drive Belt Replacement .
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