How to replace the Engine Coolant Temperature Sensor (LLT) (3.6L) on Cadillac STS?

To change the Engine Coolant Temperature Sensor (LLT) (3.6L), start by making sure the engine is no longer hot to avoid burns and unnecessary coolant loss. The first step is to turn the ignition off and take out the engine oil dipstick indicator. After that, take off the heat protector from the electrical connector and remove the coolant temperature sensor's electrical connector. Remove the coolant temperature sensor. For installation, make sure to screw in the new sensor to 22 Nm (16 lb ft) and attach the electrical connector. Put the electrical connector heat shield back on the connector. Check over the cooling system and top up the fluid if needed, using the steps listed in Cooling System Draining and Filling (GE 47716).

OEM Cadillac STS Coolant Temperature Sensor

Coolant Water Temperature Sensor

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2 Coolant Temperature Sensors found

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Cadillac STS Coolant Temperature Sensor Part Number: 15326386
$24.96 MSRP: $46.88
You Save: $21.92 (47%)
Ships in 1-3 Business Days
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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:
- 2005-2010 Cadillac STS | Base, Platinum, V | 8 Cyl 4.4 L GAS, 8 Cyl 4.6 L GAS
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Cadillac STS Coolant Temperature Sensor Part Number: 12639899
$28.44 MSRP: $53.40
You Save: $24.96 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Computer Control Sensors; Engine Coolant Temperature Sensor; Temperature Sensor; Sensor, Coolant Temperature (Engine Unit)
- Replaces: 12566778
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2011 Cadillac STS | Base | 6 Cyl 3.6 L GAS

Cadillac STS Coolant Temperature Sensor

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The Coolant Temperature Sensor is an important part in efficiency as well as solidity of Cadillac STS automobiles. This sensor has the responsibility to measure temp of coolants that assist in efficient running of the engine and avoid instances when the engine becomes hot. When it comes to the Coolant Temperature Sensor, the important role it plays is to give give accurate temperature measurements, thus enabling the engine run optimally. The availability of this sensor compatible with different Cadillac STS models guarantees that this product will fit the needs of the particular vehicle, thus strengthening the brand's reliability profile. The Coolant Temperature Sensor elements such as sensitivity fluctuations and response time can be tweaked with the help of advanced technology to send information to the engine control unit in order to boost safety and efficacy. In the same manner, Coolant Temperature Sensor plays an important part in prolonging the life of the vehicle since it can facilitate damage of the engine through excessive heat. In its design it signposts Cadillac's desire to deliver high quality, high performing products, setting it out as a mark in the automotive industry. Due to its function of aiding the engine 3.6L V6 and the 4.6L V8 Northstar, Coolant Temperature Sensor is a major component of the Cadillac STS providing both luxury and high performance to Cadillac STS owners. In conclusion, Coolant Temperature Sensor is the perfect example or reflection of that actualization of the brands commitment to a more innovative and complex form of engineering the automobile.

Cadillac STS Coolant Temperature Sensor Parts and Q&A

Coolant Temperature Sensor
12639899
Q: How to replace the Engine Coolant Temperature Sensor (LLT) (3.6L) on Cadillac STS?
A:
To change the Engine Coolant Temperature Sensor (LLT) (3.6L), start by making sure the engine is no longer hot to avoid burns and unnecessary coolant loss. The first step is to turn the ignition off and take out the engine oil dipstick indicator. After that, take off the heat protector from the electrical connector and remove the coolant temperature sensor's electrical connector. Remove the coolant temperature sensor. For installation, make sure to screw in the new sensor to 22 Nm (16 lb ft) and attach the electrical connector. Put the electrical connector heat shield back on the connector. Check over the cooling system and top up the fluid if needed, using the steps listed in Cooling System Draining and Filling (GE 47716).