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Home >> Chevrolet >> 2002 >> Chevy Express G2500, Van Passenger Extended, 6.5 F >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System >> Repair Instructions >> Engine Coolant Temperature Sensor Replacement >> Installation Procedure

Installation Procedure

CAUTION: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.
  1. Install the coolant temperature sensor to the cylinder head.

    Tighten 

    Tighten the sensor to 20 N.m (15 ft lbs).

  2. Snap the coolant temperature sensor electrical connector to the intake manifold bracket.
  3. Connect the coolant temperature sensor electrical connector to the wiring harness at the intake manifold.
  4. Install the engine cover.
  5. Fill the cooling system with coolant. Refer to Draining and Filling Cooling System .
  6. Start the engine. After the engine reached normal operating temperature, check for coolant leaks.
    Fig 1: Installing Coolant Temperature Sensor
    G01699604Courtesy of GENERAL MOTORS CORP.
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