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No heat

(1993 Ford Ranger)
in Memphis, TN on December 13, 2010
I put in a new thermostat, but the heater still only blows cold air.
Displaying 2 answers & 1 comments
Popular Answer
of Joels Auto Service on December 13, 2010
grab the heater hoses at the firewall and if one feels cooler then the other just flush it out with a garden hose,reconnect the hoses then check for heat.i would buy a $4 prestone hydrometer to check for boil over and frezze over protection also.
of Auburn Foreign & Domestic on December 13, 2010
on December 16, 2010
How would I go about unplugging it.
Is there any valve connected to the core?
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