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Heat defrost vent problem

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Old Feb 19, 2025 | 04:29 PM
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Heat defrost vent problem

I have an 03 250 . The heat is only coming through the defrost and a small amount on the floor. I believe this is the default setting and glad I have at least this. In the past i have found a line pulled apart under the hood and fixed the problem. This time i found where the black plastic line had come apart and slip a 5/32 rubber hose across it both ways leaving plenty of over lap. It did not fix the problem. I have turned it off and on several times. It has been about a week. Once sitting at a stop sign it did vaguely start to come through the dash vents , but nothing since. It appears that everything above the box on the passenger side fender is plugged in. I can tell the know selector is working . Any suggestions as to where I might look ?

Thank you
 
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Old Feb 19, 2025 | 04:39 PM
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You likely have a vacuum leak somewhere. Auto bubs, or any vacuum accessory cold. be leaking.
 
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