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Home >> GMC >> 2005 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 4.8L, 5.3L & 6.0L (Repair Instructions - 1 Of 3) >> Repair Instructions (On-Vehicle And Off-Vehicle - Part 1) >> On-Vehicle Repair Instructions >> Crankshaft Balancer Replacement (4.8L, 5.3L & 6.0L Engines) >> Removal Procedure

Removal Procedure

    Fig 1: Using J 42386-A To Lock Flywheel
    GM260126Courtesy of GENERAL MOTORS CORP.
  1. Remove the air conditioning (A/C) drive belt. Refer to Drive Belt Replacement - Air Conditioning .
  2. Remove the fan shroud - lower. Refer to Fan Shroud Replacement - Lower in Engine Cooling.
  3. Remove the starter motor. Refer to Starter Motor Replacement (4.3L Engine) or Starter Motor Replacement (4.8L, 5.3L & 6.0L Engines) or Starter Motor Replacement (6.6L (LLY) Engine) or Starter Motor Replacement (8.1L Engine) in Engine Electrical.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
    4. IMPORTANT:
    • Make sure that the teeth of the J 42386-A  mesh with the teeth of the engine flywheel. See Special Tools .
    • The crankshaft balancer is balanced as an individual component. It is not necessary to mark the balancer prior to removal.
  4. Install the J 42386-A  and bolts. See Special Tools .

    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). SeeSpecial Tools .

    5. Fig 2: View Of Crankshaft Balancer Bolt
    GM832974Courtesy of GENERAL MOTORS CORP.
  5. Remove the crankshaft balancer bolt.

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

    6. Fig 3: Removing The Crankshaft Balancer
    GM156164Courtesy of GENERAL MOTORS CORP.
  6. Use the J 41816  and J 41816-2  in order to remove the crankshaft balancer. See Special Tools .
  7. Remove the J 41816  and the J 41816-2  from the crankshaft balancer. See Special Tools .
  8. Clean and inspect the crankshaft balancer. Refer to Crankshaft Balancer Cleaning and Inspection .
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