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Weird noise coming from the dash

justjake843

NAXJA Forum User
Location
South Carolina
So my girlfriends XJ has started to make this weird noise whenever the a/c is running. It sounds almost like a fog horn and comes on for about 10-20 seconds then stops, and then comes back again. It continues to repeat this until a/c is turned off. I've searched everywhere, and no one seems to have an answer. I've only seen two forum posts about the issue, where the issue was never solved or the thread trailed off into a different topic. I've linked a video with the sounds for help. Any help is appreciated, TIA

Specs: 1996 Cherokee sport 4wd
http://imgur.com/a/vMffSCX
 
That's a vacumm leak on one of the servos or the controls themselves.
 
Does it do it only when driving or when stopped (parked)?

If stopped (parked) open the hood, turn on the AC. Check your compressor and elec fan as well the different servos (stick you head under the dash). Follow the AC lines too.
 
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