Thread: Ignition failure; vaccuum pump - leaky diaphragm? Is this right or wrong?
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Old 06-03-2007, 01:50 PM
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Blevinsax Blevinsax is offline
'91 350SD GreaseCar
  
Join Date: Jun 2006
Location: Las Vegas, NV
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Quote:
Originally Posted by arew264 View Post
...pull a vacuum on it directly with a MityVac (you do have one, right?)...
Okay - first I have to get a MityVac and then determine which exact line is the one for the shutoff diaphragm. Any suggestions where to get a MityVac? I have read on other threads that a similar vacuum tester is available from Harbor Freight - is it any good? And which vac line goes to the shutoff diaphragm?

On a future preventative note, is there any predominant cause for the IP shutoff diphragm to fail? Any typical cause for it? Does it ever come into contact with fuel? I am just wondering if my hot WVO could have caused it to fail.
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