V40 L4-1.9L Turbo VIN 29 B4204T3 (2002)
Coolant Temperature Sensor/Switch (For Computer): Procedures
Replacing The Engine Coolant Temperature (ECT) Sensor
Removing the engine coolant temperature (ECT) sensor
Preparations
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Remove the expansion tank cover.
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Open the valve on the right underside of the radiator. Use a hose to collect the coolant (cars with air conditioning (A/C): partially remove the
splash guard under engine).
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Drain two liters of coolant.
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Close the valve.
Removing the thermostat housing cover
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Remove the cover over the fuel rail.
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Remove the upper camshaft cover, see Replacing the cover on top of the engine.
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Remove the thermostat housing cover (two screws). Move the cover to one side.
Removing the engine coolant temperature (ECT) sensor
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Remove the connector from the bracket.
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Disconnect the connector.
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Remove the engine coolant temperature (ECT) sensor. Remove the sealing ring.
Installing the engine coolant temperature (ECT) sensor
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Clean the mating surfaces.
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Install a new sealing ring on the engine coolant temperature (ECT) sensor.
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Install the engine coolant temperature (ECT) sensor. Tighten the engine coolant temperature (ECT) sensor to 10 Nm.
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Reconnect the connectors.
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Reinstall the connector on the bracket.
Installing the thermostat housing cover
