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Home >> Chevrolet >> 2005 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 43 (Engine Cooling System) >> Repair Instructions >> Engine Coolant Temperature Sensor Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2005 GMC Safari and 2005 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.
  1. Drain the cooling system. Refer to Draining and Filling Cooling System .
  2. Remove the engine cover. Refer to Engine Cover Replacement .
  3. Remove the coolant temperature sensor electrical connector from the electrical harness at the intake manifold.
  4. Remove the coolant temperature sensor electrical connector from the intake manifold bracket.
    5. Fig 1: Expanded View Of Coolant Temperature Sensor & Electrical Connectors
    GM350938Courtesy of GENERAL MOTORS CORP.
  5. Remove the coolant temperature sensor from the cylinder head.
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