Avalanche, Sierra, Silverado, C&K Series, 1999-2005

Coolant Temperature Sensor

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Fig. Coolant temperature sensor location on 1999-2005 4.8L, 5.3L, 6.0L engines



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Fig. Coolant temperature sensor location on 2000-2005 4.8L, 5.3L, 6.0L engines

Refer to the component locations. The ECT sensor is threaded into the cylinder head. The 6.6L diesel engines use 2 ECT sensors; they are located side by side.

Refer to the component locations. The ECT sensor is threaded into the cylinder head. The 6.6L diesel engines use 2 ECT sensors; they are located side by side.

 
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