Escalade, Suburban 1500 & 2500, Tahoe, Yukon, Yukon XL 1500 & 2500 (2006-2007), Yukon Denali and Yukon Denali XL (2005-2006)

Removal & Installation

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  1. Drain the cooling system to a level below the ECT sensor.
  2.  
  3. Unplug the harness connector from the ECT sensor.
  4.  
  5. Remove the ECT sensor from the engine.
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  7. Installation is the reverse of removal. If reusing the old sensor, coat the threads with GM sealant 12346004 or equivalent. New sensors are already coated; additional sealant is not needed. Tighten the sensor to 15 ft. lbs. (20 Nm).

    Click image to see an enlarged view

    Fig. ECT sensor mounting-4.8L, 5.3L, 6.0L and 6.2L engines



    Click image to see an enlarged view

    Fig. ECT sensor mounting-8.1L engines

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