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Home >> Chevrolet >> 2006 >> Cobalt LTZ >> Repair and Diagnosis >> External Pages >> Different car >> Section 697 (Engine Cooling System) >> Repair Instructions >> Thermostat Replacement (RPO LE5) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2007 Pontiac G5 Pursuit, 2007 Pontiac G5, and 2007 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Vikew of intake manifold cover
    GM1656115Courtesy of GENERAL MOTORS CORP.
  1. Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement .
  2. Drain the cooling system. Refer to Draining and Filling Cooling System (2.0L (LSJ))  or Draining and Filling Cooling System (2.2L (L61), 2.4L (LE5))  or Draining and Filling Cooling System (GE 47716 Fill) .
  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 From 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
    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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