Driving... it got colder outside, turned on the heater to feet. Works perfectly.
Turned to thaw the window. Works perfectly.
Turned it on to hit my body and it stays on defrost mode.
Turned it off and still kicking out very low heat or cold but always on the defrost / feet mode even though in any other mode.

What us wrong with it?

Check that the thin vacuum line from the inlet manifold that then goes into the cabin behind the dash has not cracked or come off somewhere....if that line fails then air is not directed to where it should go.

The Blend Door on the other hand mixes the hot and cold units together by means of a Stepper motor to get the right temperature.

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2002 Export CRD 2.5 Sport