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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 641 (Engine Cooling System) >> Repair Instructions >> Thermostat Replacement (L47) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2002 Oldsmobile Aurora and 2001 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
  1. Partially drain the cooling system. Refer to Draining and Filling Cooling System .
  2. Remove the air cleaner assembly. in order to gain access to the thermostat housing.
  3. Position the J 38185  to the clamp in order to remove the outlet radiator hose from the thermostat housing.
  4. Remove the thermostat housing bolts.
    Fig 1: Removing Thermostat Housing Bolts
    G01817529Courtesy of GENERAL MOTORS CORP.
  5. Remove the thermostat and the thermostat housing gasket from the water pump housing.
  6. Remove the thermostat housing from the water pump housing.
    Fig 2: Removing Thermostat Housing
    G01817530Courtesy of GENERAL MOTORS CORP.
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