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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 232 (Engine Cooling System) >> Repair Instructions >> Water Pump Replacement (4.3L Engine) >> Removal Procedure

Removal Procedure

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  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.
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