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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System >> Repair Instructions >> Water Pump Replacement (4.3 L) >> Removal Procedure

Removal Procedure

  1. Drain the cooling system. Refer to Draining and Filling Cooling System .
  2. Loosen the water pump pulley bolts.
  3. Remove the cooling fan and clutch assembly. Refer to Fan Clutch Replacement .
  4. Remove the drive belt. Refer to DRIVE BELT REPLACEMENT .
  5. Remove the water pump pulley mounting bolts.
  6. Remove the water pump pulley.
    Fig 1: Water Pump Pulley & Mounting Bolts (4.3L)
    G01661457Courtesy of GENERAL MOTORS CORP.
  7. Remove the radiator outlet hose clamp from the water pump.
  8. Remove radiator outlet hose from the water pump.
    Fig 2: Radiator Outlet Hose (4.3L)
    G01661458Courtesy of GENERAL MOTORS CORP.
  9. Remove the water pump mounting bolts.
    Fig 3: Water Pump Mounting Bolts (4.3L)
    G01661459Courtesy of GENERAL MOTORS CORP.
  10. Remove the water pump from the engine.
    Fig 4: Water Pump (4.3L)
    G01661460Courtesy of GENERAL MOTORS CORP.
  11. Remove the water pump gaskets.
  12. Clean the water pump gasket mating surfaces.
    Fig 5: Water Pump Gaskets (4.3L)
    G01661461Courtesy of GENERAL MOTORS CORP.
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