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Removal Procedure

WARNING: This page is about a different car, the 2004 GMC Safari and 2004 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 in Interior Trim.
  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. Remove the coolant temperature sensor from the cylinder head.
    Fig 1: Expanded View Of Coolant Temperature Sensor & Electrical Connectors
    GM350938Courtesy of GENERAL MOTORS CORP.
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