Thermal Vacuum Valve: Specifications

Thermo valve (closed) > 60 degrees C / 140 degrees F


Evaporative Emission Control System

Purge control operation:
Cold (below 45 degrees C / 113 degrees F) engine 13 kPa (4 in. Hg) @ 2500 rpm
Warm (above 85 degrees C / 185 degrees F) engine 13 kPa (4 in. Hg) @ idle

Thermo-valve operation:
Valve open below 50 degrees C / 122 degrees F
Valve closed above 80 degrees C / 176 degrees F