How to replace the Coolant Temperature Sensor on Buick Century?

In order to replace your Engine Coolant Temperature (ECT) sensor, start with partial draining of the cooling system. Take care of the coolant sensor; any damage to it will affect the state of operation of the fuel control system system. Remove the ECT sensor cable electric connector and remove the sensor. Coat the threads with one of the sealers: GM P/N 12346004 (Canadian P/N 10953480) of another type. For installation. Make sure that the replacement components are the right part number for use in the application since some might have coating that should not be applied unless otherwise specified since it can impact the final torque and the operation of the component. Mount the ECT sensor and seat it to 20 N.m (15 lb ft). Connect the ECT, connect the electrical connector and refill the cooling system.

How to service the Coolant Temperature Sensor/Switch on Buick Century?

In order to service the Coolant Temperature Sensor/Switch start with draining the cooling system partially. Disconnect the ECT sensor electrical connector and the ECT sensor from its place. In installation, make sure to use correct part number for replacement parts for use and exercise caution while dealing with coolant sensor so as not to damage it posing problems to the fuel control system. Placing the threads of the new sensor with the sealer GM P/N 12346004 or similar mounted the ECT sensor and tighten it to a point of 20 N.m (15 lb ft). Finally, attach the ECT electric connector and top up the cooling system.

OEM Buick Century Coolant Temperature Sensor

Coolant Water Temperature Sensor

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13 Coolant Temperature Sensors found

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Buick Century Coolant Temperature Sensor Part Number: 15326386
$24.96 MSRP: $46.88
You Save: $21.92 (47%)
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Product Specifications
- Other Name: Sensor, Engine Coolant Temperature; Air Charge Temperature Sensor; Intake Air Temperature Sensor.; Temperature Sensor; Manifold Pressure Sensor; Oil Pressure Unit; Fan Switch; Other Sensors
- Replaces: 12146312, 25036979
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2005, 1997-2000, 1985-1991 Buick Century | Custom, Estate Wagon, Limited, Special, Special Edition, T-Type | 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.1 L GAS, 6 Cyl 3.3 L GAS, 6 Cyl 3.8 L GAS, 6 Cyl 4.3 L DIESEL
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Buick Century Coolant Temperature Sensor Part Number: 10096181
$30.35 MSRP: $57.00
You Save: $26.65 (47%)
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Product Specifications
- Other Name: Sensor, Computer Control Sensors; Temperature Sensor; Coolant Sensor; Engine Oil Pressure/Temperature Sensor.
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994-2003 Buick Century | Custom, Limited, Special | 4 Cyl 2.2 L GAS, 6 Cyl 3.1 L GAS
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Buick Century Temperature Sending Unit Part Number: 8993146
Product Specifications
- Other Name: Sensor Assembly-Engine Wtr Temperature (1 Terminal); Sensor, Coolant Temperature (Engine Unit)
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1988 Buick Century | Custom, Estate Wagon, Limited, T-Type | 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 3.8 L GAS
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Buick Century Fan Switch Part Number: 3040674
Product Specifications
- Other Name: Fan Control S; Cooling Fan Temperature Switch; Switch; Switch, Engine Air Cooling(Electrical); Switch, Engine Air Auxiliary Cooling
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1987 Buick Century | Custom, Estate, Estate Wagon, Limited, Olympia Limited, T-Type | 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.8 L GAS
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Buick Century Coolant Temperature Sensor Part Number: 25036628
Product Specifications
- Other Name: Sensor, Computer Control Sensors; Fan Switch; Temperature Sending Unit; Sensor, Coolant Temperature (Engine Unit)
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1985 Buick Century | Custom, Estate Wagon, Limited | 6 Cyl 4.3 L DIESEL
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Buick Century Temperature Sending Unit Part Number: 25037258
Product Specifications
- Other Name: Sensor, Coolant Temperature (Engine Unit)
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1989 Buick Century | Custom, Limited | 6 Cyl 2.8 L GAS
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Buick Century Temperature Sending Unit Part Number: 25037138
Product Specifications
- Other Name: Switch, Coolant Temperature (Engine Unit); Switch
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1989 Buick Century | Custom, Estate Wagon, Limited | 6 Cyl 2.8 L GAS
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Buick Century Temperature Switch Part Number: 25036373
Product Specifications
- Other Name: Switch Assembly, Engine Coolant Temperature Indicator; Temperature Sending Unit; Switch, Coolant Temperature (Engine Unit)
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1986 Buick Century | Custom, Estate Wagon, Limited | 6 Cyl 2.8 L GAS
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Buick Century Fan Switch Part Number: 3050223
Product Specifications
- Other Name: Switch Assembly, Engine Coolant Temperature Indicator; Switch; Switch, Engine Air Cooling(Electrical)
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1987 Buick Century | Custom, Estate, Estate Wagon, Limited, Olympia Limited, T-Type | 6 Cyl 3.0 L GAS, 6 Cyl 3.8 L GAS
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Buick Century Coolant Temperature Sensor Part Number: 25036807
Product Specifications
- Other Name: Sensor, Coolant Temperature (Engine Unit); Temperature Sensor; Fan Switch; Temperature Sending Unit; Sensor
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1989-1993 Buick Century | Custom, Estate Wagon, Limited, Special | 4 Cyl 2.5 L GAS, 6 Cyl 3.3 L GAS
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Buick Century Fan Switch Part Number: 25036629
Product Specifications
- Other Name: Switch, Computer Control Sensors; Temperature Switch; Temperature Sending Unit; Switch, Coolant Temperature (Engine Unit)
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1990, 1984-1985 Buick Century | Custom, Estate Wagon, Limited | 4 Cyl 2.5 L GAS, 6 Cyl 4.3 L DIESEL
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Buick Century Temperature Sending Unit Part Number: 25036371
Product Specifications
- Other Name: Switch, Coolant Temperature (Engine Unit); Switch Package, Coolant Temperature (Engine Unit); Switch, Engine Coolant Temperature ( Engine Unit)
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1989 Buick Century | Custom, Estate Wagon, Limited, T-Type | 4 Cyl 2.5 L GAS, 6 Cyl 3.8 L GAS
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Buick Century Coolant Temperature Sensor Part Number: 10137646
Product Specifications
- Other Name: Sensor; Temperature Sending Unit; Sensor, Coolant Temperature (Engine Unit); Sensor, Computer Control Sensors
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1993 Buick Century | Custom, Limited, Special | 4 Cyl 2.2 L GAS

Buick Century Coolant Temperature Sensor

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The Coolant Temperature Sensor in Buick Century vehicles is a very important device in as far as the proper monitoring of the coolant temperature of the vehicle in order to regulate the performance of the car engine as expected. The Coolant Temperature Sensor is a special element that measures the coolant's temperature thus contributing to effective engine performance and efficiency. Many especial kinds of Coolant Temperature Sensors have been used in the different types of Buick Century models over the years. These sensors may vary in design and functionality, but their primary goal remains consistent: to offer information about present temperature conditions in order to manage engines. These sensors may have some disparities in the degree of sensitivity and response time which may define how useful they are for enhancing the performance of the engine. In general, it can be stated that the Coolant Temperature Sensor plays a critical role in the performance of vehicles of Buick Century.

Buick Century Coolant Temperature Sensor Parts and Q&A

Coolant Temperature Sensor
15326386
Q: How to replace the Coolant Temperature Sensor on Buick Century?
A:
In order to replace your Engine Coolant Temperature (ECT) sensor, start with partial draining of the cooling system. Take care of the coolant sensor; any damage to it will affect the state of operation of the fuel control system system. Remove the ECT sensor cable electric connector and remove the sensor. Coat the threads with one of the sealers: GM P/N 12346004 (Canadian P/N 10953480) of another type. For installation. Make sure that the replacement components are the right part number for use in the application since some might have coating that should not be applied unless otherwise specified since it can impact the final torque and the operation of the component. Mount the ECT sensor and seat it to 20 N.m (15 lb ft). Connect the ECT, connect the electrical connector and refill the cooling system.
Coolant Temperature Sensor
10096181
Q: How to service the Coolant Temperature Sensor/Switch on Buick Century?
A:
In order to service the Coolant Temperature Sensor/Switch start with draining the cooling system partially. Disconnect the ECT sensor electrical connector and the ECT sensor from its place. In installation, make sure to use correct part number for replacement parts for use and exercise caution while dealing with coolant sensor so as not to damage it posing problems to the fuel control system. Placing the threads of the new sensor with the sealer GM P/N 12346004 or similar mounted the ECT sensor and tighten it to a point of 20 N.m (15 lb ft). Finally, attach the ECT electric connector and top up the cooling system.