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Home >> Chevrolet >> 2001 >> Impala Base, 3.8 K >> Repair and Diagnosis >> External Pages >> Different car >> Section 449 (Engine Cooling System) >> Repair Instructions >> Thermostat Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2002 Oldsmobile Intrigue, 2001 Oldsmobile Intrigue, and 2000 Oldsmobile Intrigue. 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. Use the J 38185  to remove the radiator hose clamp from the water inlet housing.
  3. Remove the radiator hose from the water inlet housing.
    Fig 1: Remove Radiator Hose From Water Inlet Housing
    G01758017Courtesy of GENERAL MOTORS CORP.
  4. Use the J 38185  to remove the heater hose clamp from the water inlet housing.
  5. Remove the heater hose from the water inlet housing.
    Fig 2: Remove Heater Hose From Water Inlet Housing
    G01758018Courtesy of GENERAL MOTORS CORP.
  6. Use the J 38185  to remove the surge tank inlet hose clamp from the water inlet housing.
  7. Remove the surge tank inlet hose from the water inlet housing.
    Fig 3: Remove Surge Tank Inlet Hose From Water Inlet Housing
    G01758019Courtesy of GENERAL MOTORS CORP.
  8. Remove the water inlet housing bolts.

    Important:  The water inlet housing (2) and the thermostat are replaced as an assembly.

  9. Remove the water inlet housing and the thermostat.
  10. Inspect and clean the water inlet mating surfaces.
    Fig 4: Water Inlet Housing And Thermostat Replaced As Assembly
    G01758020Courtesy of GENERAL MOTORS CORP.
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