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Home >> Chevrolet >> 2006 >> Cobalt LTZ >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Mechanical - 2.4L) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Balance Shaft Installation >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Installing Balance Shaft Using J 43650
    GM598032Courtesy of GENERAL MOTORS CORP.
  1. Install the balance shaft bushing using the J 43650  .
    2. Fig 2: Seating Balance Shaft Bushing
    GM598033Courtesy of GENERAL MOTORS CORP.
  2. Seat the balance shaft bushing into the bore using the J 43650  and a wrench.
  3. When the J 43650  is fully seated in the engine block remove it with a wrench.
    4. Fig 3: View Of Balance Shafts assemblies
    GM412419Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: If the balance shafts are not properly timed to the engine, the engine may vibrate or make noise.
    Install the balance shaft assemblies to the engine using the following steps:
  4. Place the number one piston at top dead center (TDC).
  5. Lubricate the balance shaft lobes with engine oil.
  6. Install the balance shafts into their bores.
    7. NOTE: Refer to FASTENER NOTICE .
  7. Install the balance shaft retaining bolts.

    Tighten:  Tighten the balance shaft retaining bolts to 10 N.m (89 lb in).

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