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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1864 (Engine Cooling System) >> Repair Instructions >> Thermostat Replacement (3.5L (L66)) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Exploded View Of Thermostat (L66)
    GM1237799Courtesy of GENERAL MOTORS CORP.
  1. Install the thermostat with housing.
    1. Install a new gasket.
    2. Position the thermostat with the housing.
    3. Apply thread sealant PST 565® to the bolt threads.
      4. NOTE: Refer to Fastener Notice .
    4. Install the housing bolts.

      Tighten:  Tighten the thermostat housing bolts 12 N.m (106 lb in).

  2. Install the battery. Refer to Battery Replacement (2.2L (L61) and 3.5L (L66)) or Battery Replacement (2.4L (LAT)) .
  3. Fill the cooling system. Refer to Draining and Filling Cooling System (Static Fill)  or Draining and Filling Cooling System (GE 47716 Fill) .
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