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

One has to first turn OFF the ignition and relieve the coolant pressure to service the Coolant Temperature Sensor/Switch (For Computer). Soak the coolant just enough to avoid spillage upon removal ofyon sensor, then disconnect the ECT sensor to the electrical connector. Then with the help of a deep well socket and an extension, take off the sensor. For installation, apply on the thread of the engine coolant temperature sensor sealer P/N 9985253 or similar and put the sensor on the engine, then tighten the sensor with 23 N.m (17 lb ft). Reconnect the ECT sensor with its electrical connector, fill the coolant system, start the engine, and check for leaks and coolant level.

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 Questions & Experts Answers

Coolant Temperature Sensor
15326386
Q: How to service the Coolant Temperature Sensor/Switch for the computer on Buick Century?
A:
One has to first turn OFF the ignition and relieve the coolant pressure to service the Coolant Temperature Sensor/Switch (For Computer). Soak the coolant just enough to avoid spillage upon removal ofyon sensor, then disconnect the ECT sensor to the electrical connector. Then with the help of a deep well socket and an extension, take off the sensor. For installation, apply on the thread of the engine coolant temperature sensor sealer P/N 9985253 or similar and put the sensor on the engine, then tighten the sensor with 23 N.m (17 lb ft). Reconnect the ECT sensor with its electrical connector, fill the coolant system, start the engine, and check for leaks and coolant level.