air wont come out of the defroster vent - Jeep Wrangler Forum

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Old 08-06-2010, 01:33 PM
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air wont come out of the defroster vent

hey everybody, my 1998 wrangler sport blows air out of every vent but when i turn it to defroster, it doesnt come out... any ideas?
1998 Jeep Wrangler Sport
Emerald Green Met.
5 sp. Manual
4.0 L
2" Lift
31" Tires
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Old 08-09-2010, 07:02 PM   #2
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Check and make sure that the control knob operates the "door" that changes the airflow output from one place to another.

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Old 08-10-2010, 09:11 AM   #3
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i had a similar problem, that the knob wouldnt select anything except the vents, was a simple vacuum line.
I am the anti chrome.
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Old 08-10-2010, 11:01 AM   #4

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X2 on the vaccum line. I have the opposite issue. Wouldnt blow out any of the vents except the top defrosters and my cruise control wouldnt engauge. Ended up being a single vaccum line had popped off.
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air , blocked , defroster

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