Help With Airflow Problem -
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Go Back > Models > Jeep Grand Cherokee & Commander Forums > WJ Grand Cherokee Forum > Help With Airflow Problem

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Unread 10-18-2014, 04:46 PM   #1
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2003 WJ 
Join Date: Oct 2014
Location: Middlesboro, KY
Posts: 1
Wj Help With Airflow Problem

ALCON: I am a newbie to Cherokees, in the sense that I have owned my 2003 Grand for for only a year, but I am not a newbie to fixing cars and trucks (FYI, I am a long term poster on
I have a specific problem with airflow in my Cherokee, and I hope someone can point me to the solution. It would be a great help of you can.
With respect, please note what the problem is not:
1. It is not a heat problem. I have heat and plenty of it, and can control the temperature. Also note, my Cherokee has the manual controls, not the automatic or electronic controls.
2. It is not loss of vacuum - all those problem areas have been addressed. For example, cruise control works great and the vacuum lines under the headlight have been replaced, etc. When I rotate the selector to another position, for example, I can hear some vacuum motors actuating, but most of the airflow continues to come out the dash vents instead of the chosen location (such as defrost or the floor).

The problem is the direction of airflow, as it always blows out dash vents, regardless of the airflow settings. It is an airflow problem in that very little air can be directed to the defrost, and none at all to the floor.

Please help me find and fix this problem, so I can have air directed to the floor for heat this winter (remember, the problem is not heat, but no airflow to the floor).

Thanks so much for any assistance you can provide.


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