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Why is your air conditioner in your 2004 jeep grand Cherokee blowing out the defrost only?
Wiki User
∙ 11y ago
Vacuum leak in one of the hoses
I own a Jeep Cherokee Sport, found that a broken vacuum hose was the culprit. When there is a vacuum leak, the blower-ventilation defaults to blowing through the defrost vents. Once the vacuum lines are fixed, the other ventilation doors are able to function and open. Your set-up and placement of your lines may be different, but mine were located in the front-lower right of the engine compartment, running up the right side and ending in the back/firewall. The lines are cheap and easy to replace, took about 5 minutes and 3 dollars!
Wiki User
∙ 11y ago
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