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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 596 (Engine Cooling System) >> Repair Instructions >> Water Pump Replacement (6.5L) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2002 GMC Savana Special, 2002 GMC Savana Camper Special, 2002 GMC Savana, and 2002 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect both negative battery cables from the batteries.
  2. Drain the engine cooling system. Refer to Draining and Filling Cooling System .
  3. Remove the air cleaner assembly from the vehicle. Refer to AIR CLEANER ASSEMBLY .
  4. Remove the air intake duct from the turbocharger.
  5. Remove the surge tank from the vehicle. Refer to Surge Tank Replacement .
    Fig 1: Removing Air Intake Duct
    G01699584Courtesy of GENERAL MOTORS CORP.
  6. Remove the upper fan shroud from the radiator. Refer to Fan Shroud Replacement .
  7. Remove the fan clutch from the water pump pulley. Refer to Fan Clutch Replacement .
  8. Remove the drive belt from the vehicle. Refer to DRIVE BELT .
  9. Remove the water pump pulley mounting bolts.
  10. Remove the water pump pulley from the water pump.
    Fig 2: Removing Water Pump Pulley Bolts & Water Pump
    G01699585Courtesy of GENERAL MOTORS CORP.
  11. Disconnect the radiator outlet hose from the water pump.
    Fig 3: Disconnecting Radiator Outlet Hose
    G01699586Courtesy of GENERAL MOTORS CORP.
  12. Disconnect the by-pass hose from the water pump.
  13. Remove the generator mounting bracket from the engine block.
  14. Remove the engine lift bracket from the engine block. Refer to ENGINE LIFT BRACKETS .
    Fig 4: Removing By-Pass Hose
    G01699587Courtesy of GENERAL MOTORS CORP.
  15. Remove the water pump mounting bolts.
  16. Remove the water pump assembly from the engine front cover.
    Fig 5: Removing Water Pump Mounting Bolts & Water Pump Assembly
    G01699588Courtesy of GENERAL MOTORS CORP.
  17. Remove the bolts from the back of the water pump backing plate.
  18. Remove the water pump from the backing plate.
  19. Remove the gasket from the water pump backing plate.
  20. Clean and inspect the gasket sealing surfaces of the engine front cover and water pump backing plate.
  21. Clean all the water pump mounting bolts.
    Fig 6: Removing Bolts, Water Pump & Gasket
    G01699589Courtesy of GENERAL MOTORS CORP.
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