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A/C vacuum ball

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sslover85

Not-quite-so-new-guy
Feb 20, 2010
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what is the purpose of this ball??? I have my A/C stuff connected to a vacuum port on the manifold. Do I need this ball??? Thanks!!!
 
my answer is yes...I took mine off originally. I had problems with a/c & heat operation. I re-installed the ball and all my problems went away.
 
sslover85 said:
what is the purpose of this ball??? I have my A/C stuff connected to a vacuum port on the manifold. Do I need this ball??? Thanks!!!
Click to expand...
It keeps a reserve of vacuum so your ac or defrost will work on acceleration. Without it your air flow will drop to the floor.
 
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