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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 862 (Engine Cooling System) >> Repair Instructions >> Engine Coolant Thermostat Housing Replacement (LY2, LH6, LY5, LMG, LY6) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Radiator Outlet Hose
    GM1699336Courtesy of GENERAL MOTORS CORP.
  1. Drain the cooling system. Refer to Cooling System Draining and Filling (Static Fill)  or Cooling System Draining and Filling (Vac-N-Fill) .
  2. Remove the air cleaner outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement .
  3. Reposition the radiator outlet hose clamp at the water pump inlet.
  4. Remove the radiator outlet hose from the water pump inlet.
    5. Fig 2: View Of Water Pump Inlet Seal
    GM1702083Courtesy of GENERAL MOTORS CORP.
  5. Remove the water pump inlet bolts.
  6. Remove the water pump inlet from the water pump.
  7. Remove and discard the water pump inlet seal.
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