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HOMESERVICE MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 232 (ENGINE COOLING SYSTEM)REPAIR INSTRUCTIONSWATER PUMP REPLACEMENT (4.3L ENGINE)REMOVAL PROCEDURE
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2

Removal Procedure

2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Removal Procedure
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2003 GMC Savana Special, 2003 GMC Savana Camper Special, 2003 GMC Savana, 2003 Chevrolet RV Cutaway, and 2003 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the air cleaner assembly.
  2. Remove the air cleaner outlet resonator duct.
  3. Drain the cooling system. Refer to Draining and Filling Cooling System .
  4. Remove the cooling fan. Refer to Fan Replacement .
  5. Remove the drive belt. Refer to DRIVE BELT REPLACEMENT .
  6. Reposition the radiator outlet hose clamps at the surge tank and water pump.
  7. Remove the radiator outlet hose from the surge tank.
  8. Remove the radiator outlet hose from the water pump.
    Fig 1: Removing Radiator Outlet Hose
    G02079170Courtesy of GENERAL MOTORS CORP.
  9. Reposition the water pump inlet hose clamps.
  10. Remove the water pump inlet hose.
    Fig 2: Removing Water Pump Inlet Hose
    G02079171Courtesy of GENERAL MOTORS CORP.
  11. Using J 41240  to hold the water pump pulley, remove the water pump pulley bolts.
    Fig 3: Removing Water Pump Pulley Bolts Using J 41240
    G02079172Courtesy of GENERAL MOTORS CORP.
  12. Remove the water pump bolts.
  13. Remove the water pump.
  14. Remove and discard the water pump gaskets.
  15. Clean and inspect the water pump, if necessary. Refer to WATER PUMP CLEANING AND INSPECTION .
    Fig 4: Removing Water Pump Bolts, Water Pump & Gaskets
    G02079173Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

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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.