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Home >> Isuzu >> 2007 >> i-290 LS, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 66 (Engine Cooling System) >> Repair Instructions >> Engine Coolant Thermostat Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Radiator Outlet Hose At Thermostat Housing
    GM1664571Courtesy of GENERAL MOTORS CORP.
  1. Remove the air cleaner. Refer to Air Cleaner Assembly Replacement .
  2. Drain the cooling system. Refer to Draining and Filling Cooling System (Static Fill)  or Draining and Filling Cooling System (Vac-N-Fill) .
  3. Using the J 38185  , reposition the radiator outlet hose clamp (1) at the thermostat housing. See Special Tools .
  4. Remove the radiator outlet hose (2) from the thermostat housing.
    5. Fig 2: Identifying Thermostat Housing to Water Pump Inlet Bolts
    GM611039Courtesy of GENERAL MOTORS CORP.
  5. Remove the thermostat housing bolts.
    6. Fig 3: View of Thermostat & Gasket
    GM611035Courtesy of GENERAL MOTORS CORP.
  6. Remove the thermostat housing, thermostat, and gasket from the water pump housing.
  7. Discard the old thermostat housing gasket.
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