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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1021 (Engine Mechanical - 8.1L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Crankshaft Balancer Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the air conditioning (A/C) belt. Refer to Drive Belt Replacement - Air Conditioning .
  2. Remove the fan. Refer to Fan Replacement in Engine Cooling.
  3. Remove the starter motor. Refer to Starter Motor Replacement (8.1L Engine) in Engine Electrical.
    4. NOTE: Refer to Fastener Notice in Cautions and Notices.
    IMPORTANT: Ensure that the teeth of the flywheel holding tool engage the engine flywheel teeth.
  4. Install the J 42847  to the starter bolt holes.

    Tighten:  Tighten the J 42847  bolts to 50 N.m (37 lb ft).

  5. Remove the crankshaft balancer bolt and washer.
    6. Fig 1: View Of Crankshaft Balancer Bolt & Washer
    GM470799Courtesy of GENERAL MOTORS CORP.
  6. Install the J 42846  onto the end of the crankshaft.
    7. Fig 2: View Of J 42846
    GM640013Courtesy of GENERAL MOTORS CORP.
  7. Install the J 38416-B  (2) onto the J 42846  (1) in order to remove the crankshaft balancer. Place the legs of the J 38416-B  into the recesses cast into the backside of the balancer inner hub.
  8. Tighten the center screw of the J 38416-B  until the crankshaft balancer is clear of the crankshaft nose.
    9. Fig 3: Removing Crankshaft Balancer Using J 38416-B & J 42846
    GM640014Courtesy of GENERAL MOTORS CORP.
  9. Remove the crankshaft balancer.
    10. Fig 4: View Of Crankshaft Balancer
    GM640015Courtesy of GENERAL MOTORS CORP.
  10. Remove the J 42846  from the end of the crankshaft.
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