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Home >> Chevrolet >> 2006 >> Cobalt LTZ >> Repair and Diagnosis >> External Pages >> Different car >> Section 784 (Engine Cooling System) >> Repair Instructions >> Engine Coolant Thermostat Replacement (LE5) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2008 Pontiac G5 and 2008 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Radiator Outlet Hose To Thermostat Housing
    GM1656115Courtesy of GENERAL MOTORS CORP.
  1. Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement .
  2. Drain the cooling system. Refer to Cooling System Draining and Filling (GE 47716 Fill)  or Cooling System Draining and Filling (Static Fill LE5, L61)  or Cooling System Draining and Filling (Static Fill LNF) .
  3. Reposition the radiator outlet hose clamp (1) at the thermostat cover.
  4. Remove the radiator outlet hose from the thermostat cover.
    5. Fig 2: View Of Radiator Surge Tank Outlet Hose To Thermostat Cover And Oil Cooler
    GM1656116Courtesy of GENERAL MOTORS CORP.
  5. Reposition the radiator surge tank outlet hose clamp (1) at the thermostat cover.
  6. Remove the radiator surge tank outlet hose from the thermostat cover.
    7. Fig 3: Identifying Radiator Outlet Hose Clamp
    GM1649362Courtesy of GENERAL MOTORS CORP.
  7. Reposition the radiator outlet hose clamp (1) at the thermostat cover.
  8. Remove the radiator outlet hose from the thermostat cover.
    9. Fig 4: Identifying Thermostat Housing Cover Bolts & Cover
    GM1713064Courtesy of GENERAL MOTORS CORP.
  9. Remove the thermostat cover bolts and cover.
  10. Remove the thermostat.
  11. Remove and discard the thermostat cover O-ring seal.
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