Ram Truck 1500, 2500 & 3500 (2006-2008)

Coolant Temperature Sensor

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3.7L & 4.7L Engines



The Engine Coolant Temperature (ECT) sensor is located in the intake manifold toward the front of the engine.

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Fig. The Engine Coolant Temperature (ECT) sensor location 4.7L-engine shown 3.7L-engine similar

5.7L Engine



The Engine Coolant Temperature (ECT) sensor is located directly under the A/C compressor in the engine block. The A/C compressor must be unbolted to gain access to ECT sensor.

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Fig. The Engine Coolant Temperature (ECT) sensor location 5.7L-engine

5.9L & 6.7L Engines



The Engine Coolant Temperature (ECT) sensor is located in the cylinder head toward the front of the engine.

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Fig. The Engine Coolant Temperature (ECT) sensor location 5.9L-engine



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Fig. The Engine Coolant Temperature (ECT) sensor location 6.7L-engine

 
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