Question about 2006 Ford F-250 Super Duty

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2006 ford f-250 diesel with no heat

Giving truck plenty of time too warm up, no heat for a good period of time then after driving for a bit the heat will kick in and out and then sooner or later the heat will work as it should?? the blower works fine, it just blows cold air. heater core clogging??

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Top up your anti-freeze...make sure your radiator and overflow collecter is full cold. It seems to me like once the coolant is hot and it expands...it expands enough to fill your heater core. if everything seems full while it is cold and not running...you may have an air lock somewhere

Posted on Mar 29, 2009

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It takes quite a while for a diesel to warm up by just idling in order to produce any heat.you have to put them under a load (drive it), before you will get any noticeable heat.if you have a block heater, plug it in 4-5 hours before you plan on driving it and that will definitely help produce interior heat quicker.

Posted on Feb 22, 2009

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