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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1949 (Engine Cooling System) >> Repair Instructions >> Engine Coolant Thermostat Replacement (LY7) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying Engine Coolant Thermostat Housing & Hoses (LY7)
    GM1846153Courtesy of GENERAL MOTORS CORP.
  1. Install the thermostat (2) with a NEW thermostat gasket.
    2. CAUTION: Refer to Fastener Caution .
  2. Install the thermostat housing bolts (1) and tighten to 10 N.m (89 lb in).
  3. Install the surge tank outlet hose.
  4. Install the heater inlet and outlet hoses.
  5. Install the radiator outlet hose to the thermostat housing.
  6. Fill the cooling system. Refer to Cooling System Draining and Filling (Static Fill Without HP5)  or Cooling System Draining and Filling (GE 47716 Fill Without HP5) .
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