How to replace the Coolant Temperature Sensor on Cadillac Eldorado?

In order to replace the Engine Coolant Temperature (ECT) sensor first turn OFF the ignition and drain the coolant to below the ECT level. Unplug the ECT sensor and take it out. For the installation of the new ECT sensor, treat with care to prevent damages that can disrupt the fuel control system. Make sure that replacement parts are the correct part number for the application and be aware that some will need thread locking compound, lubricants, corrosion inhibitors or sealants which should only be used if stated as these effects final torque and component operation. Seal the sensor threads with a sealer GM P/N 1050805 or any other similar type, and then install the ECT sensor and tighten it to 20 N.m (15 lb ft). Attach the connector to the ECT sensor, and fill up the coolant system.

OEM Cadillac Eldorado Coolant Temperature Sensor

Coolant Water Temperature Sensor

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Cadillac Eldorado Coolant Temperature Sensor Part Number: 15326386
$24.96 MSRP: $46.88
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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:
- 1984-2002 Cadillac Eldorado | Base, Biarritz, Cabriolet, ESC, ETC, Sport, Spring Edition, Touring | 8 Cyl 4.1 L GAS, 8 Cyl 4.5 L GAS, 8 Cyl 4.6 L GAS, 8 Cyl 4.9 L GAS, 8 Cyl 5.7 L DIESEL
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Cadillac Eldorado 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 Cadillac Eldorado | Base, Biarritz, Cabriolet, Touring | 8 Cyl 4.1 L GAS, 8 Cyl 5.7 L DIESEL
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Cadillac Eldorado Temperature Sending Unit Part Number: 25037244
Product Specifications
- Other Name: Switch, Coolant Temperature (Engine Unit)
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1989-1993 Cadillac Eldorado | Base, Biarritz, Sport, Spring Edition, Touring | 8 Cyl 4.5 L GAS, 8 Cyl 4.6 L GAS, 8 Cyl 4.9 L GAS
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Cadillac Eldorado 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:
- 1984 Cadillac Eldorado | Base, Biarritz, Cabriolet, Touring | 8 Cyl 4.1 L GAS, 8 Cyl 5.7 L DIESEL
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Cadillac Eldorado Temperature Sending Unit Part Number: 25036586
Product Specifications
- Other Name: Switch, Door Window; Switch, Coolant Temperature (Engine Unit)
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1986 Cadillac Eldorado | Base, Biarritz | 8 Cyl 4.1 L GAS

Cadillac Eldorado Coolant Temperature Sensor

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The Coolant Temperature Sensor is a component located in Cadillac Eldorado cars an monitors the temperature of the coolant to expand its efficiency. Having the ability to frequently monitor the temperature of the coolant, this sensor is relevant in the provision of efficiency to the engine. Thus, over the years of operation, various modifications of the Coolant Temperature Sensors may have been approved for the use in models of the car brand Eldorado releasing completely different designs and possessing various functions. These variations in sensor types might have altered their functional mechanisms and withal their efficiency of delivering correct temperature readings to the relevant engine control unit of the vehicle.

Cadillac Eldorado Coolant Temperature Sensor Parts and Q&A

Coolant Temperature Sensor
15326386
Q: How to replace the Coolant Temperature Sensor on Cadillac Eldorado?
A:
In order to replace the Engine Coolant Temperature (ECT) sensor first turn OFF the ignition and drain the coolant to below the ECT level. Unplug the ECT sensor and take it out. For the installation of the new ECT sensor, treat with care to prevent damages that can disrupt the fuel control system. Make sure that replacement parts are the correct part number for the application and be aware that some will need thread locking compound, lubricants, corrosion inhibitors or sealants which should only be used if stated as these effects final torque and component operation. Seal the sensor threads with a sealer GM P/N 1050805 or any other similar type, and then install the ECT sensor and tighten it to 20 N.m (15 lb ft). Attach the connector to the ECT sensor, and fill up the coolant system.