Envoy, Rainer, Trailblazer 2006-2007

Coolant Temperature Sensor

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4.2L Engines



The Engine Coolant Temperature (ECT) sensor is mounted on the top front of the engine cylinder head.

5.3L And 6.0L Engines



The Engine Coolant Temperature (ECT) sensor is mounted on the top front of the engine-s left cylinder head.

 
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