98 f150 heater problem

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Jan 26, 2010 | 08:19 PM

djs2002

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Joined: Jan 2010

Posts: 7

From: Ogden, UT

98 f150 heater problem

Okay, so i've replaced my heater core, changed the thermostat, and also flushed the coolant system but my heater continues to blow cold air. Any suggestions?

Jan 26, 2010 | 09:25 PM

Hayapower

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Joined: Jul 2006

Posts: 7,555

Both the heaters hoses hot?

Probably the blend door or actuator..

Jan 27, 2010 | 05:53 PM

djs2002

Thread Starter

Junior Member

Joined: Jan 2010

Posts: 7

From: Ogden, UT

Both the hoses are hot. I know where the blend door is, but where is the actuator?

Jan 29, 2010 | 07:36 PM

yukonjon

Junior Member

Joined: Jan 2010

Posts: 1

could be an air lock,drain a gal. out start it,pour coolant in slowley

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