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97 Jeep GCL What causes AC to come out of the defrost vents not the front vents?

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βˆ™ 2006-08-19 04:19:38

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I answered this question just a few prior, but you have a vacuum hose leak. The defroster vent is the "default" setting when this occurs. Open your engine hood, look slightly left of center up along the firewall. There is a really tiny black hose coming from within the firewall that "Ts" into another hose. It's hopefully broken where visible. Use a piece of tubing like a splice and fit the original ends into each end of the new piece. If it's broken on the other side of the firewall, the entire dashboard will have to be pulled. And I've both read and been told that's not a job for mere mortals to tackle. But take your time and look around. And be gentle 'cuz you don't want to screw up this very tiny piece of tubing. Good luck.

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βˆ™ 2006-08-19 04:19:38
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