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Home >> Volvo >> 2003 >> S40 L4-1.9L Turbo VIN 29 B4204T3 >> Repair and Diagnosis >> Heating and Air Conditioning >> Coolant Temperature Sensor / Switch HVAC >> Service and Repair
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Coolant Temperature Sensor / Switch HVAC: Service and Repair






Engine coolant temperature (ECT) sensor (A/C)

Removing the engine coolant temperature (ECT) sensor




- Remove the soundproofing panel according to Passenger side soundproofing Passenger Side Soundproofing
- Disconnect the 4-pin connector
- Carefully remove the sensor from the sleeve.

Installing the engine coolant temperature (ECT) sensor
- Check that the retaining clip is positioned correctly in the heater unit
- Install the sensor carefully in the casing. Check that it is installed correctly
- Connect the connector
- Check the function
- Install the soundproofing panel according to Passenger side soundproofing Passenger Side Soundproofing.

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