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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1571 (Engine Cooling System) >> Repair Instructions >> Thermostat Replacement (2.2L (L61)) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    NOTE: The thermostat will not function correctly once it is contacted by oil. If oil is found in the cooling system, it must be flushed and the thermostat's cartridge replaced.
    Fig 1: View Of Drain Valve
    GM931332Courtesy of GENERAL MOTORS CORP.
  1. Drain the coolant. Refer to Draining and Filling Cooling System (Static Fill)  or Draining and Filling Cooling System (GE 47716 Fill) .
    2. Fig 2: View Of Exhaust Manifold Heat Shield & Bolts
    GM951386Courtesy of GENERAL MOTORS CORP.
  2. Remove the exhaust heat shield bolts.
  3. Remove the exhaust heat shield.
  4. Raise the vehicle.
    5. Fig 3: Locating Water Pump Drain Plug (L61)
    GM964352Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: A drain plug has been provided at the bottom of the water pump assembly for additional coolant drainage from the engine block and water pump.
  5. Drain the coolant from the water pump drain plug.
    6. Fig 4: Locating Thermostat Housing O-Seal (L61)
    GM951626Courtesy of GENERAL MOTORS CORP.
  6. Remove the thermostat cover bolts from the thermostat housing.
  7. Remove and discard the thermostat housing O-seal.
    8. Fig 5: Exploded View Of Thermostat Housing Assembly (L61)
    GM951792Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Twist the water feed pipe while pulling to remove it from the water pump.
  8. Remove the water pipe from the water pump assembly.
  9. Remove and discard the seals from the water pipe.
  10. Remove the inner thermostat sleeve.
  11. Remove the thermostat assembly.
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