1993 Ford Ranger Q&A

1993 Ford Ranger Question: No heat

I put in a new thermostat, but the heater still only blows cold air. -
Answer 1
HEATER CORE MAY BE PLUGGED. GREG -
Comment 1
How would I go about unplugging it. Is there any valve connected to the core? -
Answer 2
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. -
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