Question about 2003 Ford F350 Super Duty DRW SuperCab
Our heater is working fine but it won't blow hot air. We have had the water pump checked and the heater switch but they are in good working condition.
Heater core might have setament or scale built up in it. needs to be flushed out. maybe thrmostat bad. i would try flushing heater core out first. use garden hose flush both ways, also before you flush it mix up alittle beaking soda and water and pour in heater core and let set for a while so it can loosen up the scale and setament then flush both ways until it runs clear.
Posted on Jan 14, 2009
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Posted on Jan 02, 2017
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