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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 634 (Engine Cooling System) >> Repair Instructions >> Water Pump Replacement (4.8L, 5.3L, and 6.0L Engines) >> Removal Procedure

Removal Procedure

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    Fig 1: View Of Air Cleaner Outlet Duct (W/HP2 Front)
    GM307286Courtesy of GENERAL MOTORS CORP.
  1. Drain the cooling system. Refer to Draining and Filling Cooling System .
  2. Loosen the air cleaner outlet duct clamps at the following locations:
    • Throttle body
    • Mass airflow/intake air temperature (MAF/IAT) sensor
  3. Remove the radiator inlet hose clip from the outlet duct.
  4. Remove the air cleaner outlet duct.
    5. Fig 2: View Of Vent Inlet Hose At Throttle Body
    GM659465Courtesy of GENERAL MOTORS CORP.
  5. If necessary, remove the engine sight shield. Refer to ENGINE SIGHT SHIELD REPLACEMENT (4.8L, 5.3L, 6.0L (LQ4)) or ENGINE SIGHT SHIELD REPLACEMENT (6.0L (LQ9)) .
  6. Remove the radiator vent inlet hose from the radiator hose clips.
    7. Fig 3: View Of Inlet Hose & Water Pump
    GM659418Courtesy of GENERAL MOTORS CORP.
  7. Reposition the inlet hose clamp at the water pump.
  8. Remove the inlet hose from the water pump.
  9. Remove the fan blade. Refer to Fan Replacement .
  10. Remove the accessory drive belt. Refer to DRIVE BELT REPLACEMENT -- ACCESSORY .
    11. Fig 4: View Of Outlet Hose & Water Pump
    GM659509Courtesy of GENERAL MOTORS CORP.
  11. Reposition the outlet hose clamp at the water pump.
  12. Remove the outlet hose from the water pump.
    13. Fig 5: View Of Surge Tank Outlet Hose To Water Pump
    GM659180Courtesy of GENERAL MOTORS CORP.
  13. Reposition the surge tank outlet hose clamp at the water pump.
  14. Remove the surge tank outlet hose from the water pump.
    15. Fig 6: View Of Heater Inlet Hose At Water Pump
    GM660665Courtesy of GENERAL MOTORS CORP.
  15. Reposition the heater inlet hose clamp at the water pump.
  16. Remove the heater inlet hose from the water pump.
    17. Fig 7: View Of Water Pump, Gaskets & Bolts
    GM260121Courtesy of GENERAL MOTORS CORP.
  17. Remove the water pump bolts.
  18. Remove the water pump and gaskets.
  19. Discard the water pump gaskets.
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