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Jan 21, 2003 | 08:03 PM

RMOREY

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Joined: Jan 2003

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Heat

I have a 1995 f150 i've changed radiator, water pump thermostat and heater core and blend flap door is working

Last edited by RMOREY; Jan 21, 2003 at 08:26 PM.

Jan 22, 2003 | 06:38 AM

Bob Ayers

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Joined: Jan 2003

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From: Durham, NC

Heat

Did you check the heater control valve????

Jan 22, 2003 | 07:23 AM

kioolt

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Joined: Aug 1999

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From: Bel Air USA

Heat

The following information is from a Ford service CD for a 94 F150 with AC.

Temperature is controlled by a manually operated air blend door in the heater air plenum chamber. When the temperature control **** is in the extreme COOL position (fully counterclockwise) all air bypasses the heater core.

When the temperature control **** is moved to the extreme WARM (fully clockwise) position, all air is directed through the heater core. When the temperature control **** is between COOL and WARM (between full counterclockwise and clockwise), air is directed through and around the heater core in rough proportion to the position of the temperature control **** between the extremes of its travel.

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