V40 L4-1.9L Turbo VIN 25 B4204T2 (2000)
Thermostat: Procedures
Checking/Replacing the Thermostat
Draining coolant
Drain off approximately 2 liters of coolant.
Removing the Thermostat
Turbocharged engines: remove the throttle body (TB) cover.
Remove the cover over the fuel rail.
Remove the upper timing cover.
Remove the thermostat housing cover (Torx 40 screws). Lift out the thermostat and the gasket.
Checking the Thermostat
The function of the thermostat can be tested using hot water.
When the water temperature corresponds to the opening temperature of the thermostat, the thermostat should open fully within two minutes.
Marking: 90
Starts to open at: 90°C
Fully open at: 105°C
Installing the Thermostat
