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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1226 (Engine Cooling System) >> Repair Instructions >> Thermostat Replacement (3.8L) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2002 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the fuel injector sight shield. Refer to FUEL INJECTOR SIGHT SHIELD REPLACEMENT (L36) or FUEL INJECTOR SIGHT SHIELD REPLACEMENT (L67) .
  2. Partially drain the cooling system. Refer to Draining and Filling Cooling System .
  3. Use the J 38185  in order to reposition the hose clamp from the water outlet housing.
  4. Remove the radiator inlet hose from the water outlet housing.
    Fig 1: Radiator Inlet Hose & Water Outlet Housing
    G01703865Courtesy of GENERAL MOTORS CORP.
  5. Remove the water outlet housing bolt and stud. Remove the water outlet housing and gasket.
  6. Remove the thermostat.
  7. Inspect and clean the water outlet housing mating surfaces.
    Fig 2: Water Outlet Housing, Bolt, Gasket & Thermostat
    G01703866Courtesy of GENERAL MOTORS CORP.
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