How to replace the Coolant Temperature Sensor on Chevrolet Silverado 2500?

Cleansing the cooling system until its level sits below the Engine Coolant Temperature (ECT) sensor position is required for sensor replacement. Remove the ECT sensor first by disconnecting its electrical connector then disconnecting the sensor from its mounting position. Installation of the new sensor requires verifying that replacement components match the specified part number according to application requirements. Apply GM P/N 12346004 sealant (Canadian P/N 10953480 equivalent to GM P/N 12346004) to the sensor threads before reusing your old ECT sensor. Screw down the ECT sensor with 20 N.m (15 lb ft) force. Place the ECT sensor electrical connector into position before you add coolant to refill the cooling system. Handle the coolant sensor carefully since sensor damage affects fuel control system performance while maintaining proper torque will prevent damage.

OEM Chevrolet Silverado 2500 Coolant Temperature Sensor

Coolant Water Temperature Sensor

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Chevrolet Silverado 2500 Coolant Temperature Sensor, Black Part Number: 12608814
$30.66 MSRP: $57.58
You Save: $26.92 (47%)
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Product Specifications
- Other Name: Sensor Assembly-Engine Coolant Temperature *Ite Or Black; Engine Coolant Temperature Sensor; Temperature Sensor; Temperature Sending Unit; Coolant Temperature Sensor; Engine Oil Pressure/Temperature Sensor; Computer Control Sensors
- Replaces: 15369305, 25037062, 12191170, 15326388
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1999-2004 Chevrolet Silverado 2500 | Base, LS, LT, WT | 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L BI-FUEL, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS

Chevrolet Silverado 2500 Coolant Temperature Sensor

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Chevrolet Silverado 2500 Coolant Temperature Sensor Parts and Q&A

Coolant Temperature Sensor, Black
12608814
Q: How to replace the Coolant Temperature Sensor on Chevrolet Silverado 2500?
A:
Cleansing the cooling system until its level sits below the Engine Coolant Temperature (ECT) sensor position is required for sensor replacement. Remove the ECT sensor first by disconnecting its electrical connector then disconnecting the sensor from its mounting position. Installation of the new sensor requires verifying that replacement components match the specified part number according to application requirements. Apply GM P/N 12346004 sealant (Canadian P/N 10953480 equivalent to GM P/N 12346004) to the sensor threads before reusing your old ECT sensor. Screw down the ECT sensor with 20 N.m (15 lb ft) force. Place the ECT sensor electrical connector into position before you add coolant to refill the cooling system. Handle the coolant sensor carefully since sensor damage affects fuel control system performance while maintaining proper torque will prevent damage.