Installing the engine coolant temperature (ECT) sensor

WARNING: This page is about a different car, the 2004 Volvo S40, 2003 Volvo S40, 2002 Volvo S40, 2001 Volvo S40, and 2000 Volvo S40. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Installing Engine Coolant Temperature (ECT) Sensor

Courtesy of VOLVO CARS OF NORTH AMERICA.

Clean the mating surfaces.
Install a new sealing ring on the engine coolant temperature (ECT) sensor.
Install the engine coolant temperature (ECT) sensor. Tighten the engine coolant temperature (ECT) sensor to 10 Nm .
Reconnect the connectors.
Reinstall the connector on the bracket.

Installing the thermostat housing cover

Clean the mating surfaces.
Install a new gasket on the thermostat.
Install the thermostat housing. Tighten the thermostat housing to 17 Nm .

NOTE: Refill the coolant. Run the engine to operating temperature. Top up as necessary. Function test. Check for leakage.

Check for leakage. Reinstall the fuel rail cover. Reinstall the upper camshaft cover, see Installing the cover on top of the engine .

Connect the connector. Secure the connector on the bracket.