Checks and inspections

1. Disconnect the engine coolant to radiator delivery sleeve from the thermostatic cup.
2. Disconnect the engine coolant to heater delivery sleeve from the thermostatic cup.
3. Disconnect the engine coolant to throttle valve delivery sleeve from the thermostatic cup.
4. Disconnect engine coolant to rigid pipe (returning engine coolant to pump) from the thermostatic cup.
5. Unscrew the three screws and remove the thermostatic cup.

• Remove the gasket.

8.5 ÷ 10.5 Nm
0.87 ÷ 1.07 kgm

1. On a bench, remove the engine coolant temperature sensor (NTC).

11.9 ÷ 14.7 Nm
1.21 ÷ 1.5 kgm

CHECKS AND INSPECTIONS

Check the setting of the thermostat by operating as follows:

1. Hang the thermostat in a container full of water and heat the water.
2. Using a thermometer check that the temperatures at which opening is initiated and completed correspond to the values indicated in the table.

CAUTION
Neither the thermometer nor the thermostat must touch the bottom of the container.

Also check that the total bulb travel is the same as that indicated in the table.

If the correct values are not obtained replace the thermostat.