AC only blowing from dash
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Laughing Gas
Joined: Jul 2012
Posts: 889
Likes: 1
From: Ithaca
AC only blowing from dash
Just made a awesome trip to Avon NC on the outer backs. When we packed up trailer and got ready to go the AC would only come out of the dash. This has happened before and I usually just lower the fan speed to the lowest setting and it would change over to the dash vents. This time it didn't work tried a bunch of times and took a peek at the vacuum pump but nothing. Any suggestions. Thanks
Fleet Mechanic
Joined: Mar 2017
Posts: 1,365
Likes: 179
From: Phenix City, AL
Do you still have the auto 4x4 hubs? If they work then it’s something else. If they don’t work then it could be vacuum pump or a vacuum line leak. The rubber hoses to the knuckles could be toast if they are original.
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Laughing Gas
Joined: Jul 2012
Posts: 889
Likes: 1
From: Ithaca
No I have swapped them for warn hubs. I will have to check the vacuum lines again
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Laughing Gas
Joined: Jul 2012
Posts: 889
Likes: 1
From: Ithaca
sorry I meant out of the vents to the windshield only. It will not change to blow out of any other vents
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