LEMON Manuals: Even more car manuals for everyone
Home >> Buick >> 2007 >> Allure CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 52 (Engine Cooling System) >> Repair Instructions >> Engine Coolant Thermostat Replacement (LS4) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Radiator Inlet Hose & Water Outlet Housing (LS4)
    GM1524229Courtesy of GENERAL MOTORS CORP.
  1. Remove the radiator air lower baffle and deflector. Refer to Radiator Air Lower Baffle and Deflector Replacement .
  2. Reposition the radiator inlet hose. Refer to Radiator Inlet Hose Replacement (L26)  or Radiator Inlet Hose Replacement (LY7)  or Radiator Inlet Hose Replacement (LS4) .
  3. Partially drain the cooling system. Refer to Cooling System Draining and Filling (L26, LY7 GE 47716 Fill)  or Cooling System Draining and Filling (L26 Static Fill)  or Cooling System Draining and Filling (LY7 Static Fill)  or Cooling System Draining and Filling (LS4 GE47716 Fill)  or Cooling System Draining and Filling (LS4 Static Fill) .
  4. Use the J 38185  in order to reposition the hose clamp from the water outlet housing. See Special Tools .
  5. Remove the radiator inlet hose from the water outlet housing.
    6. Fig 2: View Of Thermostat Housing, Bolts, Thermostat, & O-Ring
    GM1411896Courtesy of GENERAL MOTORS CORP.
  6. Remove the water outlet housing bolts (302).
  7. Remove the water outlet housing (303) and O-ring seal (304).
  8. Remove the thermostat (305).
  9. Clean and inspect the water outlet housing O-ring seal mating surfaces.
scientia non olet · About LEMON Manuals