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Hi, my name isXXXXX hissing noise is caused by a leak in the air suspension strut. You will need to replace the hissing strut to repair this problem. The serpentine belt is not related to the air suspension.
You can purchase new or remanufactured suspension struts from Arnott Industries.
will this level out the car?
Yes it will. Your car has air suspension. When the strut leaks air the car will not rise to the correct height.
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