Air only coming out front vent? - Ford Powerstroke Diesel Forum
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post #1 of 9 Old 10-23-2013, 02:36 PM Thread Starter
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Air only coming out front vent?

I've searched and found similar problems, but nobody with the same problem. My problem is air is stuck on the front vents, not the defrost vent that seems to be very common. I tried turning the a/c on and still blows out the front face vent. I have searched for a vacuum leak and so far cant find anything. I tracked the vacuum lines into the cab and disconnected a few. I don't even feel air coming out.

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post #2 of 9 Old 10-23-2013, 02:39 PM
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Check the blend door actuator on the heater box under the dash. They are electronic and can stick open or shut. Pretty cheap, most parts houses carry them.

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post #3 of 9 Old 10-23-2013, 03:22 PM Thread Starter
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Is that located under the glove box?

2003 F250 7.3 CC SB FX4
6 Pos. TS Chip Tuned by Tony Wildman
4" MBRP Turbo Back Straight Pipe
K&N Intake
Transgo Shift Kit
ATS Ported Turbo Housing
Wicked Wheel
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post #4 of 9 Old 10-23-2013, 03:28 PM
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same as this?


GD - 06 CCSB FX4 Lariat
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Originally Posted by G8orFord View Post
My magic wand broke a few years back when my crystal ball fell on it. Ruined the ball too. So we're going to have to figure this one out another way. YOU NEED A MONITOR or at least a good scanner.
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post #5 of 9 Old 10-23-2013, 04:08 PM Thread Starter
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The temperature works fine, a/c is cold and hot air works fine. Does that part also control the vents from switching back and forth?

2003 F250 7.3 CC SB FX4
6 Pos. TS Chip Tuned by Tony Wildman
4" MBRP Turbo Back Straight Pipe
K&N Intake
Transgo Shift Kit
ATS Ported Turbo Housing
Wicked Wheel
3 Gauge Pillar Pod
Viper Remote Start w/ Turbo Timer
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post #6 of 9 Old 10-25-2013, 08:45 AM Thread Starter
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Did some more looking and found air coming from this area. Not sure if this is normal.
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2003 F250 7.3 CC SB FX4
6 Pos. TS Chip Tuned by Tony Wildman
4" MBRP Turbo Back Straight Pipe
K&N Intake
Transgo Shift Kit
ATS Ported Turbo Housing
Wicked Wheel
3 Gauge Pillar Pod
Viper Remote Start w/ Turbo Timer
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post #7 of 9 Old 10-25-2013, 08:46 AM Thread Starter
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The air is coming from between the silver pluming and black plastic, near the head of the screwdriver.

2003 F250 7.3 CC SB FX4
6 Pos. TS Chip Tuned by Tony Wildman
4" MBRP Turbo Back Straight Pipe
K&N Intake
Transgo Shift Kit
ATS Ported Turbo Housing
Wicked Wheel
3 Gauge Pillar Pod
Viper Remote Start w/ Turbo Timer
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post #8 of 9 Old 10-25-2013, 09:54 AM Thread Starter
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So I plugged a vacuum line next to the hub control solenoid and after doing that I can now switch the vent to the floor. The defrost is still not working though. The pump turn off now that i have that vacuum line plugged.
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2003 F250 7.3 CC SB FX4
6 Pos. TS Chip Tuned by Tony Wildman
4" MBRP Turbo Back Straight Pipe
K&N Intake
Transgo Shift Kit
ATS Ported Turbo Housing
Wicked Wheel
3 Gauge Pillar Pod
Viper Remote Start w/ Turbo Timer
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post #9 of 9 Old 10-25-2013, 09:58 AM Thread Starter
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Also the actuator now works since that line is plugged. any help is appreciated.

2003 F250 7.3 CC SB FX4
6 Pos. TS Chip Tuned by Tony Wildman
4" MBRP Turbo Back Straight Pipe
K&N Intake
Transgo Shift Kit
ATS Ported Turbo Housing
Wicked Wheel
3 Gauge Pillar Pod
Viper Remote Start w/ Turbo Timer
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