How to replace the Coolant Temperature Sensor on Chevrolet Malibu?

First disconnect the ect sensor harness connector when the ignition is OFF before starting the ect sensor replacement process. You need to drain at least all engine coolant beneath the ect sensor before starting work. Apply thread sealant gm p/n 21485227, loctite 242(R) threadlocker, or equivalent to the sensor threads after ect removal. Start by flushing out the sensor hole in the engine head to eliminate thread sealant residue when you use an ect sensor which will be reused. Also remove old sensor residue and add rtv sealant to sensor threads before installation. Secure the ect sensor by applying 20 N.m (15 lb ft) torque. Push the ect sensor harness connector until you hear a click sound as proof of secure connection followed by a gentle pull check. Add coolant to your engine until it reaches the correct measurement.

How to service the Coolant Temperature Sensor/Switch for the computer on Chevrolet Malibu?

Service Coolant Temperature Sensor/Switch (For Computer): It is directed to turn OFF the ignitions & release engine coolant pressure. Drain the engine coolant and disconnect the eletrical connector. With the help of a deep well socket and extension, take out the Engine Coolant Temperature (ECT) sensor. For installation, apply sealer GM P/N 9985253 or equivalent to the ECT sensor threads and install the sensor to the engine and use the 23 N.m (17 lb ft). Connect the electrical connector, fill the engine with coolant to the proper level, then start the engine and check for leaks of the coolant.

OEM Chevrolet Malibu Coolant Temperature Sensor

Coolant Water Temperature Sensor

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7 Coolant Temperature Sensors found

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Chevrolet Malibu Coolant Temperature Sensor Part Number: 12656444
$11.78 MSRP: $23.93
You Save: $12.15 (51%)
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Product Specifications
- Other Name: Sensor, Computer Control Sensors; Engine Coolant Temperature Sensor; Temperature Sensor; Sensor, Coolant Temperature (Engine Unit)
- Replaces: 12636534
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2013-2022 Chevrolet Malibu | Hybrid, LS, LT, LTZ, Premier | 4 Cyl 1.8 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
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Chevrolet Malibu 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:
- 1997-2003 Chevrolet Malibu | Base, LS | 4 Cyl 2.4 L GAS, 6 Cyl 3.1 L GAS
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Chevrolet Malibu Coolant Temperature Sensor Part Number: 12656493
$37.57 MSRP: $117.20
You Save: $79.63 (68%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor, Computer Control Sensors; Engine Coolant Temperature Sensor; Temperature Sensor; Sensor, Coolant Temperature (Engine Unit)
- Replaces: 12641368
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2013-2015 Chevrolet Malibu | LS, LT, LTZ | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
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Chevrolet Malibu Coolant Temperature Sensor Part Number: 12641073
$12.58 MSRP: $23.62
You Save: $11.04 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor, Computer Control Sensors; Engine Coolant Temperature Sensor; Temperature Sensor; Temperature Sending Unit; Sensor, Coolant Temperature (Engine Unit)
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2016-2024 Chevrolet Malibu | Hybrid, L, LS, LT, RS | 4 Cyl 1.5 L GAS, 4 Cyl 1.8 L FULL HYBRID EV-GAS (FHEV)
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Chevrolet Malibu Coolant Temperature Sensor Part Number: 12639899
$28.44 MSRP: $53.40
You Save: $24.96 (47%)
Ships in 1-2 Business Days
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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:
- 2008-2012 Chevrolet Malibu | LT, LTZ | 6 Cyl 3.6 L GAS
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Chevrolet Malibu Coolant Temperature Sensor, Black Part Number: 12608814
$30.66 MSRP: $57.58
You Save: $26.92 (47%)
Ships in 1-3 Business Days
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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
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2014 Chevrolet Malibu | Base, Classic LS, Classic LT, Eco, Hybrid, LS, LT, LTZ, Maxx, Maxx LS, Maxx LT, Maxx LTZ, Maxx SS, SS | 4 Cyl 2.2 L GAS, 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L GAS, 6 Cyl 3.9 L GAS
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Chevrolet Malibu Coolant Temperature Sensor Part Number: 25186240
$16.91 MSRP: $31.75
You Save: $14.84 (47%)
ADD TO CART
Product Specifications
- Other Name: Sensor, Computer Control Sensors; Engine Coolant Temperature Sensor; Air Charge Temperature Sensor; Temperature Sensor; Air Temperature Sensor; Sensor, Coolant Temperature (Engine Unit)
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2016-2019 Chevrolet Malibu | Hybrid | 4 Cyl 1.8 L FULL HYBRID EV-GAS (FHEV)

Chevrolet Malibu Coolant Temperature Sensor

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In Chevrolet Malibu, the Coolant Temperature Sensor serves a significant function as it helps to deal with the temperature of the coolant with aim to let the engine run efficiently. This sensor is critical in the sense that gives important information for the control of the engine and fuel consumption. There has been the use of diverse Coolant Temperature Sensors in the various models of Malibu, different as they may be in design and or technology, all serve the salient purpose. These differences may influence their sensitivity or reaction rate and hence how accurately they pass information concerning temperature to the engine control unit. All in all, the Coolant Temperature Sensor is a vital component in the proper functioning of the Chevrolet Malibu's engine.

Chevrolet Malibu Coolant Temperature Sensor Parts and Q&A

Coolant Temperature Sensor, Black
12608814
Q: How to replace the Coolant Temperature Sensor on Chevrolet Malibu?
A:
First disconnect the ect sensor harness connector when the ignition is OFF before starting the ect sensor replacement process. You need to drain at least all engine coolant beneath the ect sensor before starting work. Apply thread sealant gm p/n 21485227, loctite 242(R) threadlocker, or equivalent to the sensor threads after ect removal. Start by flushing out the sensor hole in the engine head to eliminate thread sealant residue when you use an ect sensor which will be reused. Also remove old sensor residue and add rtv sealant to sensor threads before installation. Secure the ect sensor by applying 20 N.m (15 lb ft) torque. Push the ect sensor harness connector until you hear a click sound as proof of secure connection followed by a gentle pull check. Add coolant to your engine until it reaches the correct measurement.
Coolant Temperature Sensor
15326386
Q: How to service the Coolant Temperature Sensor/Switch for the computer on Chevrolet Malibu?
A:
Service Coolant Temperature Sensor/Switch (For Computer): It is directed to turn OFF the ignitions & release engine coolant pressure. Drain the engine coolant and disconnect the eletrical connector. With the help of a deep well socket and extension, take out the Engine Coolant Temperature (ECT) sensor. For installation, apply sealer GM P/N 9985253 or equivalent to the ECT sensor threads and install the sensor to the engine and use the 23 N.m (17 lb ft). Connect the electrical connector, fill the engine with coolant to the proper level, then start the engine and check for leaks of the coolant.