View single post by Jim Ketcham
 Posted: 06-28-2013 08:23 pm
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Jim Ketcham

 

Joined: 03-13-2005
Location: Salt Point, New York USA
Posts: 208
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 The vacuum booster diaphragm can be checked by seeing if it holds vacuum. If you do not have a vac pump or gauge try blowing in it ( by mouth). If you can then it leaks and is not working.