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A/C Hiss when OFF


fredperry

New Member
Joined
December 29, 2010
Messages
12
Reaction score
0
City, State
Cracow / Krakow (Poland)
Year, Model & Trim Level
99
Hello Guys,

I have noticed (I did not had same issue with previous Explorer) that when my A/C is set to OFF I can hear hissing sound comming from the A/C panel area, when set to other position it stops to hiss :mad:. I have recorded that, here you can take a look (sorry for the train background):

http://www.youtube.com/watch?v=1HrSPJN-45s

it is quite difficult to hear that on the movie but it is quite well audible when sitting in the car.

Thanks :salute:
 




OneLever

Active Member
Joined
June 26, 2010
Messages
777
Reaction score
2
Year, Model & Trim Level
97 Mt. 5.0L AWD
One of the vacuum lines leading to that switch is likely leaking. If you read through this thread you'll will discover how to troubleshoot it: Link
 








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