How to Service and Repair a Coolant Temperature Sensor on Mercury Grand Marquis?

The service of the engine coolant temperature sensor (ECT) begins by draining cooling system contents. The first step is to disconnect the electrical connector of the ECT sensor before removing the ECT sensor within. Before mounting the new sensor users must use a wrench to tighten it to 25 Nm (18 lb-ft) and develop a sealant on the sensor threads. Once the cooling system filling operations are finished the task becomes complete.

OEM Mercury Grand Marquis Coolant Temperature Sensor

Coolant Water Temperature Sensor

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4 Coolant Temperature Sensors found

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Mercury Grand Marquis Coolant Temperature Sensor
Part Number: 9U2Z-12A648-A
$32.23 MSRP: $51.18
You Save: $18.95 (38%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Sender Assembly; Engine Coolant Temperature Sensor; Temperature Switch; Temperature Sending Unit; Sensor
- Replaces: F4TZ-12A648-A, F2AZ-12A648-A, F2AZ-12A648-AA, F1AZ-12A648-B, E1AZ-12A648-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1984-2006 Mercury Grand Marquis | Base, Colony Park, GS, GSL, Limited Edition, LS, LSE, Ultimate Edition | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.8 L GAS
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Mercury Grand Marquis Temperature Gauge
Part Number: F1SZ-10884-A
$34.69 MSRP: $55.09
You Save: $20.40 (38%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sender Assembly - Temperature; Engine Coolant Temperature Sender; Temp Gauge; Temperature Sending Unit; Temperature Gauge Sending Unit; Temperature Sender Unit
- Replaces: DOWY-10884-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1990-1995 Mercury Grand Marquis | GS, LS | 8 Cyl 4.6 L GAS, 8 Cyl 5.0 L GAS
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Mercury Grand Marquis Temperature Sensor
Part Number: F7DZ-10884-AA
$15.63 MSRP: $25.22
You Save: $9.59 (39%)
ADD TO CART
Product Specifications
- Other Name: Sender Assembly - Temperature; Engine Coolant Temperature Sender; Cooling Fan Switch; Temp Sender Gauge; Fan Switch; Sending Unit; Temperature Sending Unit; Temperature Gauge Sending Unit
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1998-2006 Mercury Grand Marquis | GS, GSL, Limited Edition, LS, LSE, Ultimate Edition | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS
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Mercury Grand Marquis Temperature Sensor
Part Number: F68Z-10884-AA
Product Specifications
- Other Name: Sender Assembly - Temperature; Engine Coolant Temperature Sender; Coolant Temperature Sender; Coolant Temperature Sensor; Temperature Gauge; Temperature Sending Unit; Temperature Gauge Sending Unit
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1996-1997 Mercury Grand Marquis | GS, LS | 8 Cyl 4.6 L GAS

Mercury Grand Marquis Coolant Temperature Sensor

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Mercury Grand Marquis Coolant Temperature Sensor Parts Questions & Experts Answers

Coolant Temperature Sensor
9U2Z-12A648-A
Q: How to Service and Repair a Coolant Temperature Sensor on Mercury Grand Marquis?
A: The service of the engine coolant temperature sensor (ECT) begins by draining cooling system contents. The first step is to disconnect the electrical connector of the ECT sensor before removing the ECT sensor within. Before mounting the new sensor users must use a wrench to tighten it to 25 Nm (18 lb-ft) and develop a sealant on the sensor threads. Once the cooling system filling operations are finished the task becomes complete.