Balance Shaft (Unit Repair) Installation: Installation

2004 Oldsmobile Bravada AWDSECTION Installation
WARNING: This page is about a different car, the 2003 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install balance shaft bushing using Balance Shaft Bearing Remover/Installer J43650.
    Fig 1: Installing Balance Shaft Bushing
    G01039644Courtesy of GENERAL MOTORS CORP.
  2. Seat balance shaft bushing into bore using J43650 and a wrench.
  3. When the J43650 is fully seated in the engine block remove it with a wrench.
    Fig 2: Seating Balance Shaft Bushing Into Bore
    G01039645Courtesy of GENERAL MOTORS CORP.

    IMPORTANT:  If balance shafts are not properly timed to engine, the engine may vibrate or make noise.

  4. Place the number one piston at top dead center (TDC).
  5. Install balance shaft drive chain sprocket on crankshaft.
  6. Install balance shafts into their bores.
  7. Install balance shaft retaining bolts.

    Torque: 

    Balance Shaft Retaining Bolts: 10 N.m (89 in-lbs) 

    Fig 3: Installing Balance Shaft Retaining Bolts
    G01039646Courtesy of GENERAL MOTORS CORP.
  8. Align arrow on exhaust sprocket with notch on carrier. Arrow should point down.
    Fig 4: Aligning Arrow On Exhaust Sprocket
    G01039647Courtesy of GENERAL MOTORS CORP.
  9. Align arrow on intake sprocket with notch on carrier. Arrow should point up.
    Fig 5: Aligning Arrow On Intake Sprocket
    G01039648Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.