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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 (L61) >> 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: Identifying Radiator Outlet Hose Clamp
    GM1649362Courtesy 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. Remove the radiator outlet hose (1) from the thermostat housing. Refer to Radiator Outlet Hose Replacement (LE5, L61)  or Radiator Outlet Hose Replacement (LNF) 
    4. Fig 2: Identifying Thermostat Housing Cover Bolts & Cover
    GM1713064Courtesy of GENERAL MOTORS CORP.
  4. Remove the thermostat cover bolts and cover.
  5. Remove the thermostat from the thermostat housing.
  6. Remove and discard the thermostat cover O-ring seal.
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