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Old 06-20-2012, 11:03 PM   #1
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Jeep Wrangler A/C problem

I just got a 99 Jeep Wranlger Sport 4.0. I love my Jeep. I am just have the same problem with the ac that I was having in my Jeep Cherokee. When I at high RPMs or like when I am shifting gears the ac air starts to come out the defrost vents. How can I fix this problem and what would be the cost to do so?

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Old 06-21-2012, 09:32 AM   #2
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Quote:
Originally Posted by boi915 View Post
I just got a 99 Jeep Wranlger Sport 4.0. I love my Jeep. I am just have the same problem with the ac that I was having in my Jeep Cherokee. When I at high RPMs or like when I am shifting gears the ac air starts to come out the defrost vents. How can I fix this problem and what would be the cost to do so?
Remove the A/C and take off the top. And, you can do that for free!!!

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Old 06-21-2012, 03:48 PM   #3
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lol but i really dont want to do that right now... is there anything else that i can do?
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Old 06-21-2012, 05:55 PM   #4
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its a vacuum problem. for some reason you are losing hte vacuum that holds the doors pointing the right way during those times

no idea on the fix though
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Old 06-21-2012, 07:12 PM   #5
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I just went through this a few days ago. Click on my name to look at the threads I started then check the one called a/c. If that doesn't work let me know and I'll send you some photos of what to look for.
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Old 07-12-2012, 07:48 PM   #6
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If a jeep has a vacume leak the blower defalts to defrost its the only reason it would do that. Check all your hoses on your manafold for weather cracks.

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