Diesel Data: Automotive Repair

Thermostat: Specifications

ENGINE COOLING THERMOSTAT

Primary Thermostat:
Begins opening 82 °C ( 179 °F).
Fully open 95 °C (203 °F).

Secondary Thermostat:
Begins opening 95 °C (203 °F).
Fully open 110 °C (230 °F).