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See "Related Questions" below for ideas on fixing Taurus/Sable no-heat problemsAnswer
Make sure you have vacuum going in the cab from the engine. The vacuum line runs from the intake to the reservoir, which is a round plastic ball looking thing, and into the cab.

AnswerFeel the 2 heater hoses coming from the firewall - since the coolant runs through the heater core all the time, BOTH of the hoses should be hot.

If one is not, that's a key indicator the core is plugged/obstructed.
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โˆ™ 2009-12-20 01:58:54
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Q: Why would you get no heat-defrost in a 93 Ford Taurus if the blower is working and there is no leak?
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