GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2004 🢒 Safari - 2WD 🢒 Engine 🢒 Engine Mechanical - 4.3L 🢒 Balance Shaft Replacement

Removal Procedure
  1. Remove the radiator. Refer to Radiator Replacement in Engine Cooling.
  2. Remove the A/C condenser, if equipped. Refer to Condenser Replacement in Heating Ventilation and Air Conditioning.
  3. Remove the valve lifter pushrod guide. Refer to Valve Lifter Replacement .
  4. Remove the camshaft timing chain and sprockets. Refer to Camshaft Timing Chain, Sprocket, and Tensioner Replacement .

    5. Important: The balance shaft and the front bearing are serviced only as a package. Do not remove the bearing from the balance shaft.

  5. Remove the balance shaft. Refer to Balance Shaft Removal .
  6. Clean and inspect the balance shaft. Refer to Balance Shaft Cleaning and Inspection .

Installation Procedure
  1. Install the balance shaft. Refer to Balance Shaft Installation .
  2. Install the camshaft timing chain and the camshaft sprocket. Refer to Timing Chain and Sprockets Installation .
  3. Install the crankshaft position reluctor ring and the engine front cover. Refer to Crankshaft Position Sensor Reluctor Ring Replacement
  4. Install the valve lifter pushrod guide. Refer to Valve Lifter Replacement .
  5. Install the A/C condenser, if equipped. Refer to Condenser Replacement in Heating Ventilation and Air Conditioning.
  6. Install the radiator. Refer to Radiator Replacement in Engine Cooling.