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HOMESERVICE MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1516 (ENGINE COOLING SYSTEM)REPAIR INSTRUCTIONSWATER PUMP REPLACEMENT (LFA)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 is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Radiator Vent Inlet Hose & Clamps
    GM1699347Courtesy of GENERAL MOTORS CORP.
  1. Remove the air cleaner outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement .
  2. Drain the cooling system. Refer to Cooling System Draining and Filling (Vac-N-Fill)  or Cooling System Draining and Filling (Static Fill) .
  3. Reposition the radiator vent inlet hose clamp (1) at the coolant air bleed pipe fitting.
  4. Remove the radiator vent inlet hose (2) from the coolant air bleed pipe fitting.
    5. Fig 2: View Of Radiator Vent Inlet Hose Clamp At Water Pump
    GM1696566Courtesy of GENERAL MOTORS CORP.
  5. Reposition the radiator inlet hose clamp (3) at the water pump.
  6. Remove the radiator inlet hose from the water pump.
  7. Reposition the radiator inlet hose and vent inlet hose out of the way.
  8. Remove the accessory drive belt. Refer to Drive Belt Replacement - Accessory .
    9. Fig 3: View Of Radiator Outlet Hose
    GM1699336Courtesy of GENERAL MOTORS CORP.
  9. Reposition the radiator outlet hose clamp at the water pump.
  10. Remove the radiator outlet hose from the water pump.
  11. Reposition the outlet hose out of the way.
    12. Fig 4: View Of Radiator Surge Tank Outlet Hose, Clamp & Water Pump
    GM1697283Courtesy of GENERAL MOTORS CORP.
  12. Reposition the radiator surge tank outlet hose clamp (1) at the water pump.
  13. Remove the radiator surge tank outlet hose (2) from the water pump.
  14. Reposition the outlet hose out of the way.
    15. Fig 5: View Of Heater Inlet Hose, Clamp & Waterpump
    GM1697282Courtesy of GENERAL MOTORS CORP.
  15. Reposition the heater inlet hose clamp (1) at the water pump.
  16. Remove the heater inlet hose (2) from the water pump.
  17. Reposition the inlet hose out of the way.
    18. Fig 6: View Of Water Pump Bolts
    GM2242393Courtesy of GENERAL MOTORS CORP.
  18. Remove the water pump bolts (1).
  19. Remove the water pump (3) and gaskets (2). Discard the gaskets.
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.