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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 232 (Engine Cooling System) >> Repair Instructions >> Water Pump Replacement (4.8L, 5.3L, and 6.0L Engines) >> Removal Procedure

Removal Procedure

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  1. Drain the cooling system. Refer to Draining and Filling Cooling System .
  2. Remove the air cleaner assembly.
  3. Remove the fan blade. Refer to Fan Replacement .
  4. Reposition the inlet hose clamp at the water pump.
  5. Remove the inlet hose from the water pump.
    Fig 1: Removing Inlet Hose
    G02079178Courtesy of GENERAL MOTORS CORP.
  6. Reposition the outlet hose clamp at the water pump.
  7. Remove the outlet hose from the water pump.
    Fig 2: Removing Outlet Hose
    G02079179Courtesy of GENERAL MOTORS CORP.
  8. Reposition the heater inlet hose clamp at the water pump.
  9. Remove the heater inlet hose from the water pump.
  10. Remove the accessory drive belt tensioner bolts and tensioner from the engine.
    Fig 3: Removing Heater Inlet Hose
    G02079180Courtesy of GENERAL MOTORS CORP.
  11. Remove the water pump bolts.
  12. Remove the water pump and gaskets.
  13. Discard the water pump gaskets.
    Fig 4: Removing Water Pump Bolts, Water Pump & Gaskets
    G02079181Courtesy of GENERAL MOTORS CORP.
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