Phoenix L4-151 2.5L VIN 5 2-bbl (1982)
Thermal Vacuum Valve - Carb: Description and Operation
Cold Engine Air Bleed TVS
OPERATION
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When engine coolant temperature is below the switching point switch remains open allowing cold to air bleed through the switch into the
intake manifold.
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When engine coolant temperature is above the switching point, the switch closes stopping air flow to the manifold.
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Refer to the number stamped on the base of the switch or valve for calibrated switching or activation temperatures.
