How to replace the Coolant Temperature Sensor on 2004 GMC Envoy?

In order to replace the Engine Coolant Temperature (ECT) sensor, drain at least partially the engine coolant. Dislodge the ECT sensor electrical connector, but do not break it. Pull out the ECT sensor with ECT Sensor Socket. Install thread sealer and then the new sensor, tighten it, reconnect the electrical connector and fill up the engine coolant.

OEM 2004 GMC Envoy Coolant Temperature Sensor

Coolant Water Temperature Sensor

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2004 GMC Envoy Coolant Temperature Sensor Part Number: 19244715
$43.71 MSRP: $81.56
You Save: $37.85 (47%)
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Product Specifications
- Other Name: Sensor, Engine Coolant Temperature; Temperature Sending Unit; Sensor, Coolant Temperature (Engine Unit); Sensor, Computer Control Sensors
- Replaces: 12564512
- Item Weight: 0.40 Pounds
- Item Dimensions: 7.5 x 7.6 x 1.7 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 19244715
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2004 GMC Envoy Submodels:
- SLE, SLT | 6 Cyl 4.2 L GAS

2004 GMC Envoy Coolant Temperature Sensor

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2004 GMC Envoy Coolant Temperature Sensor Parts and Q&A

Q: How to replace the Coolant Temperature Sensor on 2004 GMC Envoy?
A: In order to replace the Engine Coolant Temperature (ECT) sensor, drain at least partially the engine coolant. Dislodge the ECT sensor electrical connector, but do not break it. Pull out the ECT sensor with ECT Sensor Socket. Install thread sealer and then the new sensor, tighten it, reconnect the electrical connector and fill up the engine coolant.