This started about a week ago....whenever I have the AC on (Max, Norm, Bilevel, etc)...it will make a loud loud vibration noise coming from the passenger side dash......like right where the interior emblem is.....and will stop after awhile...then start again.......however...USUALLY...whenever I set it to the lowest setting.....it will stop after a little more vibration and wont do it anymore unless I turn the ac up to blow more air........and if its in the middle of the noise...and I turn the ac all the way off....it immediately stops vibrating..........any ideas what it is? The AC continues blowing really cold air...its just annoying listening to it....thanks for the help

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http://users.ticnet.com/mult68
1992 Teal Camaro RS
T-Tops
305 TBI V8
Open air element
3" Flowmaster Exhaust System w/Quad Tips
Aiwa CD/Mp3 player
10 Disc CD Changer
Rockford Fosgate Speakers
SLP Headers Coming
Dynomax High Flow Cat Coming
More to come.

 

You have air in the system, you need to get it evacuated and recharged.

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Hybrid Black 5.7L 5 Speed
'95 Competition Yellow Corvette Coupe ZF6

 

Any ideas how it happend?

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http://users.ticnet.com/mult68
1992 Teal Camaro RS
T-Tops
305 TBI V8
Open air element
3" Flowmaster Exhaust System w/Quad Tips
Aiwa CD/Mp3 player
10 Disc CD Changer
Rockford Fosgate Speakers
SLP Headers Coming
Dynomax High Flow Cat Coming
More to come.