How to replace the Coolant Temperature Sensor on 2002 Chevrolet Avalanche 2500?

Releasing the ignition and emptying the cooling system is necessary to replace the Engine Coolant Temperature (ECT) Sensor. Unfasten the ECT electrical connector and pull out the sensor. Apply sealer to the threads of the new sensor, screw it together, reconnect the electrical connector and refill the cooling system.

OEM 2002 Chevrolet Avalanche 2500 Coolant Temperature Sensor

Coolant Water Temperature Sensor

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2002 Chevrolet Avalanche 2500 Coolant Temperature Sensor Part Number: 12554944
$205.54 MSRP: $417.47
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Product Specifications
- Other Name: Sensor Assembly-Engine Coolant Temperature (W/ Engine Coolant T; Engine Coolant Temperature Sensor; Temperature Sending Unit; Sensor; Sensor, Coolant Temperature (Engine Unit); Sensor, Computer Control Sensors
- Item Weight: 0.50 Pounds
- Item Dimensions: 8.3 x 3.2 x 3.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12554944
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2002 Chevrolet Avalanche 2500 Submodels:
- Base | 8 Cyl 8.1 L GAS

2002 Chevrolet Avalanche 2500 Coolant Temperature Sensor

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2002 Chevrolet Avalanche 2500 Coolant Temperature Sensor Parts and Q&A

Q: How to replace the Coolant Temperature Sensor on 2002 Chevrolet Avalanche 2500?
A: Releasing the ignition and emptying the cooling system is necessary to replace the Engine Coolant Temperature (ECT) Sensor. Unfasten the ECT electrical connector and pull out the sensor. Apply sealer to the threads of the new sensor, screw it together, reconnect the electrical connector and refill the cooling system.