How to replace the Coolant Temperature Sensor on 2005 Buick Terraza?

In order to replace the Engine Coolant Temperature (ECT) sensor drain out the coolant, take away the air intake duct and detach the ECT sensor harness. Seal the thread holes of the new sensor with thread sealant, clean the mounting hole and install the sensor. Reconnect the harness, add the coolant and reconnect the duct.

OEM 2005 Buick Terraza Coolant Temperature Sensor

Coolant Water Temperature Sensor

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2005 Buick Terraza 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
- Item Weight: 0.40 Pounds
- Item Dimensions: 2.8 x 1.6 x 0.8 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12608814
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2005 Buick Terraza Submodels:
- CX, CXL | 6 Cyl 3.5 L GAS, 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS

2005 Buick Terraza Coolant Temperature Sensor

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2005 Buick Terraza Coolant Temperature Sensor Parts and Q&A

Q: How to replace the Coolant Temperature Sensor on 2005 Buick Terraza?
A: In order to replace the Engine Coolant Temperature (ECT) sensor drain out the coolant, take away the air intake duct and detach the ECT sensor harness. Seal the thread holes of the new sensor with thread sealant, clean the mounting hole and install the sensor. Reconnect the harness, add the coolant and reconnect the duct.