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post #1 of 2 (permalink) Old 05-28-09, 04:47 PM Thread Starter
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confused 97 f150 a/c fan blows panel to defrost

97 f150 a/c blower switches from panel to defrost when motor is on a load i did do some off roading maybe something rattled loose any suggestions thanks

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post #2 of 2 (permalink) Old 05-28-09, 07:16 PM
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Re: 97 f150 a/c fan blows panel to defrost

Check for a vacuum leak at the HVAC controls and also where it connects under the hood (I'm not sure where it connects).
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