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  #1  
Old 05-10-2018, 06:20 PM
Glenn L Glenn L is offline
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Default HVAC control issue

I only get air flow through the floor and defrost vents no matter what setting I'm at in my 2003 Ranger. A/C or heat setting. Anyone else run into this issue
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2004 Ford Ranger Tremor, 3.0 V6 automatic, 2wd. Flow Master single inlet dual outlet muffler. 2003 Ford Ranger XLT 4x4, 4.0 automatic.
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Old 05-10-2018, 07:46 PM
kgo5xd kgo5xd is offline
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Default Re: HVAC control issue

Quote:
Originally Posted by Glenn L View Post
I only get air flow through the floor and defrost vents no matter what setting I'm at in my 2003 Ranger. A/C or heat setting. Anyone else run into this issue


Maybe one of the vacuum lines came loose.


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2002 Ford Ranger XLT 4x4, ext. cab, Stepside, Auto, 4.0L v6
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  #3  
Old 05-13-2018, 11:28 AM
Glenn L Glenn L is offline
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Default Re: HVAC control issue

I checked, all are intact. I'll try a vacuum gauge to test the diaghram
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2004 Ford Ranger Tremor, 3.0 V6 automatic, 2wd. Flow Master single inlet dual outlet muffler. 2003 Ford Ranger XLT 4x4, 4.0 automatic.
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  #4  
Old 05-14-2018, 03:14 PM
dvrich dvrich is offline
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Default Re: HVAC control issue

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Originally Posted by Glenn L View Post
I checked, all are intact. I'll try a vacuum gauge to test the diaghram

Just because a vacuum line is connected doesn't mean it can't leak. Your truck is 16 years old and lines can dry rot just like tires.
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Old 12-19-2018, 02:59 PM
rskarl rskarl is offline
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Default Re: HVAC control issue

I have this very same issue right now on my '03 FX4 LII - did you figure it out?
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