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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 148 (Engine Mechanical - 4.8L, 5.3L & 6.0L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Crankshaft Balancer Replacement >> Removal Procedure

Removal Procedure

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  1. Remove the air conditioning (A/C) drive belt, if equipped. Refer to Drive Belt Replacement - Air Conditioning .
  2. Remove the accessory drive belt, if not equipped with A/C. Refer to Drive Belt Replacement - Accessory .
  3. Remove the fan shroud - lower. Refer to FAN SHROUD REPLACEMENT .
  4. Remove the starter motor. Refer to STARTER MOTOR REPLACEMENT (4.8L, 5.3L & 6.0L) or STARTER MOTOR REPLACEMENT (4.3L) .

    Important: 

    • Make sure that the teeth of the J 42386-A  mesh with the teeth of the engine flywheel.
    • The crankshaft balancer is balanced as an individual component. It is not necessary to mark the balancer prior to removal.
    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.
  5. Install the J 42386-A  and bolts.

    Use one M10-1.5 x 120 mm and one M10-1.5 x 45 mm bolt for proper tool operation.

    Tighten 

    Tighten the J 42386-A  bolts to 50 N.m (37 lb ft).

    Fig 1: Installing J 42386-A & Bolts
    G02078524Courtesy of GENERAL MOTORS CORP.
  6. Remove the crankshaft balancer bolt.

    Do not discard the crankshaft balancer bolt. The balancer bolt will be used during the balancer installation procedure.

    Fig 2: Removing Crankshaft Balancer Bolt
    G02078525Courtesy of GENERAL MOTORS CORP.
  7. Use the J 41816  and J 41816-2  in order to remove the crankshaft balancer.
  8. Remove the J 41816  and the J 41816-2  from the crankshaft balancer.
  9. Clean and inspect the crankshaft balancer. Refer to Crankshaft Balancer Cleaning and Inspection .
    Fig 3: Removing Crankshaft Balancer Using J 41816 & J 41816-2
    G02078526Courtesy of GENERAL MOTORS CORP.
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