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97 Cummins air conditioning vents close at idle

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Old 07-21-2018, 12:40 PM
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97 Cummins air conditioning vents close at idle

I can hear my air conditioning vacuum hose door vent pop close when idling. The air gets cold again when I resume speed. I previously had a mouse nest in glove box, this leads me to believe it may have chewed hole in vacuum hose. I need to check, but unable to locate. Is this behind fire wall or glove box? If so, how do I access it?
Old 07-21-2018, 03:40 PM
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Originally Posted by Debra Harris
I can hear my air conditioning vacuum hose door vent pop close when idling. The air gets cold again when I resume speed. I previously had a mouse nest in glove box, this leads me to believe it may have chewed hole in vacuum hose. I need to check, but unable to locate. Is this behind fire wall or glove box? If so, how do I access it?
Either you have a vacuum leak in your AC system or your vacuum pump is getting weak.

You might be able to get to some of it behind the glove box.
Old 07-22-2018, 11:20 AM
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You'll probably get more answers if you post this in the 2nd Gen section.
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