GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2000 🢒 Yukon Denali 🢒 Body and Accessories 🢒 Instrument Panel, Gauges, and Console 🢒 Engine Coolant Temperature Sensor Replacement

Removal Procedure

    Object Number: 423363 Size: SH
  1. Disconnect the harness connector from the coolant temperature sensor.

    2. Object Number: 200395 Size: SH
  2. Remove the coolant temperature sensor (1).
  3. Drain the engine coolant into a suitable container as necessary. Refer to Cooling System Draining and Filling

Installation Procedure

    Object Number: 200395 Size: SH

    Notice: 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 sensor to the engine (1).

    2. Tighten
    Tighten the coolant sensor (1) to 20 N·m (15 lb ft).


    Object Number: 423363 Size: SH
  2. Install the harness connector.
  3. Check the engine coolant level.
  4. Refill the engine coolant as necessary. Refer to Cooling System Draining and Filling