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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 48 (Engine Cooling System) >> Repair Instructions >> Thermostat Replacement (RPOs L26/L32) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2005 Buick LaCrosse and 2005 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Radiator Inlet Hose To Water Outlet Housing
    GM308970Courtesy of GENERAL MOTORS CORP.
  1. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement in Engine Mechanical - 3.8L.
  2. Partially drain the cooling system. Refer to Draining and Filling Cooling System (LY7)  or Draining and Filling Cooling System (L26) .
  3. Use the J 38185  in order to reposition the hose clamp from the water outlet housing.
  4. Remove the radiator inlet hose from the water outlet housing.
    5. Fig 2: Water Outlet Housing
    GM153572Courtesy of GENERAL MOTORS CORP.
  5. Reposition the wiring harness from the water outlet housing stud.
  6. Remove the water outlet housing bolt and the stud.
  7. Remove the water outlet housing and the gasket.
  8. Remove the thermostat.
  9. Clean and Inspect the water outlet housing gasket mating surfaces.
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