What is the function of Coolant Temperature Sensors and How to test, remove, and install it on 1991 Volvo 740?

The Engine Coolant Temperature (ECT) sensor is a sensor whose resistance varies depending on the coolant temperature, thus providing important information for the ECM to manage the engine. To test, measure and compare resistance to specifications. For replacement, you need to disconnect the battery, drain coolant, remove sensor, install new sensor and check for leaks after assembly.

Genuine 1991 Volvo 740 Coolant Temperature Sensors

Coolant Temperature Sensor

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1991 Volvo 740 Temperature Sending Unit Part Number: 1362645
$53.39 MSRP: $62.51
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Product Specifications
- Other Name: Iat Sensor; Coolant Temperature Sensors; Temperature Sending Unit
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 1362645
- Warranty: This genuine part is guaranteed by Volvo's factory warranty.
Fits the following 1991 Volvo 740 Submodels:
- Base, GLE, T | 4 Cyl 2.3 L GAS

1991 Volvo 740 Coolant Temperature Sensors Parts and Q&A

Q: What is the function of Coolant Temperature Sensors and How to test, remove, and install it on 1991 Volvo 740?
A: The Engine Coolant Temperature (ECT) sensor is a sensor whose resistance varies depending on the coolant temperature, thus providing important information for the ECM to manage the engine. To test, measure and compare resistance to specifications. For replacement, you need to disconnect the battery, drain coolant, remove sensor, install new sensor and check for leaks after assembly.