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post #1 of 3 (permalink) Old 09-01-2012, 02:40 PM Thread Starter
Join Date: Jul 2008
Location: Peterborough,Ontario
Posts: 7
Angry Heater mode motor issue

I have an 06 F150, the heater will only blow out on defrost no matter what position the switch is in, I pulled the mode motor off and turned the system on. The mode motor turned but didnt respond to all switch positions, I also pulled the actuator cam off and moved the levers by hand. Both levers moved freely and had a good solid thud at their limits, I dont think that any foam is jamming doors. I am thinking I will buy a new switch and motor and replace them, I will do the switch first and see what I get.
Has anyone delt with this issue themselves. I would love some feedback on this.
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post #2 of 3 (permalink) Old 09-01-2012, 10:19 PM
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Join Date: Mar 2010
Location: Stoney Creek, Ontario
Posts: 1,564
Anytime I've had to deal with this problem, it's been a main feed vacuum line to the heat control unit. I'm not sure 2006 still uses vacuum control though.

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post #3 of 3 (permalink) Old 09-16-2012, 12:20 PM Thread Starter
Join Date: Jul 2008
Location: Peterborough,Ontario
Posts: 7
Ok I have it fixed now, I bought a new mode motor and replaced it, works good, I can once again change the direction of the airflow output. It is located right above the gas pedal, 3 screws.
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