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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Engine Mechanical - 4.3L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Crankshaft Balancer Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: View Of Crankshaft Balancer Weights
    GM334258Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: 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.
    NOTE: 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 GM P/N 12346141, (Canadian P/N 10953433), or equivalent into the crankshaft balancer keyway in order to seal the crankshaft balancer keyway and crankshaft joint.
  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: Pressing The Crankshaft Balancer Onto The Crankshaft Using J 23523-F
    GM4065Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  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. See Special Tools .

      Tighten:  Tighten the bolts to 25 N.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.

    Tighten:  Tighten the bolts to 58 N.m (43 lb ft).

    10. Fig 5: Crankshaft Balancer Washer
    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.

    Tighten:  Tighten the bolt to 95 N.m (70 lb ft).

  12. Install the cooling fan. Refer to Fan Replacement (Diesel) or Fan Replacement (Gasoline) in Engine Cooling.
  13. Install the drive belt. Refer to Drive Belt Replacement .
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