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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1537 (Engine Mechanical (Repair Instructions 1 Of 3) - 5.7L) >> Repair Instructions (On-Vehicle & Off-Vehicle - Part 1 >> On-Vehicle Repair Instructions >> Crankshaft Balancer Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Right Transmission Cover & Bolt
    GM208464Courtesy of GENERAL MOTORS CORP.
  1. Remove the air conditioning (A/C) drive belt. Refer to Drive Belt Replacement - Air Conditioning .
  2. Remove the power steering gear. Refer to Power Steering Gear Replacement in Power Steering System.
  3. Remove the starter motor. Refer to Starter Motor Replacement in Engine Electrical.
  4. Remove the right transmission cover and bolt.
    5. Fig 2: J 42386-A & Bolts
    GM639839Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
    IMPORTANT: Make sure that the teeth of the flywheel holding tool mesh with the teeth of the engine flywheel.
  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).

    6. Fig 3: Identifying Harmonic Balancer Bolt
    GM64275Courtesy 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.

    7. Fig 4: J 42386-A, Crankshaft Balancer & Bolt
    GM156162Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: For manual transmission applications, note the position of the crankshaft balancer before removal. The balancer does not use a key or keyway for positioning. Mark or scribe the end of the crankshaft and the balancer before removal. If replacing the crankshaft balancer, note the location of any existing balance weights (if applicable). Install new balance weights into the new crankshaft balancer (if applicable) in the same location as the old balancer. A properly installed balance weight will be either flush or below flush with the face of the balancer.
  7. Mark or scribe the crankshaft balancer and the end of the crankshaft.

    Note the balancer installed position on the crankshaft for assembly.

    Refer to Engine Balancing

    8. Fig 5: Removing The Crankshaft Balancer
    GM156164Courtesy of GENERAL MOTORS CORP.
  8. Use the J 38416-B  and the J 41816-2 in order to remove the crankshaft balancer.
  9. Remove the J 38416-B  and the J 41816-2 from the crankshaft balancer.
    10. Fig 6: Installing/Removing Balancer Weights In Crankshaft Balancer
    GM63153Courtesy of GENERAL MOTORS CORP.
  10. Not the position of any crankshaft balancer weights (if applicable).
  11. Clean and inspect the crankshaft balancer. Refer to Crankshaft Balancer Cleaning and Inspection in the Engine Unit Repair Manual.
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