What are the functions and testing procedures of coolant temperature sensors on 1988 Volvo 245?

The coolant temperature gauge sensor is a semiconductor which varies in resistance with temperature changes, influencing the flow of currents and readings of the indicator. Located next to the rear inlet port, it needs partial drainage of coolant for removal. Testing by heating water and watching indicator go up nicely, ends between normal and hot, boiling point.

Genuine 1988 Volvo 245 Coolant Temperature Sensors

Coolant Temperature Sensor

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1988 Volvo 245 Temperature Sending Unit Part Number: 460191
$47.64 MSRP: $55.79
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Product Specifications
- Other Name: IAT Sensor; Coolant Temp Sensor; Temperature Sending Unit
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 460191
- Warranty: This genuine part is guaranteed by Volvo's factory warranty.
Fits the following 1988 Volvo 245 Submodels:
- Base, DL, GL | 4 Cyl 2.1 L GAS, 4 Cyl 2.3 L GAS, 6 Cyl 2.4 L DIESEL

1988 Volvo 245 Coolant Temperature Sensors Parts and Q&A

Q: What are the functions and testing procedures of coolant temperature sensors on 1988 Volvo 245?
A: The coolant temperature gauge sensor is a semiconductor which varies in resistance with temperature changes, influencing the flow of currents and readings of the indicator. Located next to the rear inlet port, it needs partial drainage of coolant for removal. Testing by heating water and watching indicator go up nicely, ends between normal and hot, boiling point.