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Thread: vacuum leak test
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11-04-2010 #1
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vacuum leak test
I was reading on another site about a way to find an internal vacuum leak.
It said to seal off all vacuum ports on the intake manifold , then crank the engine over and see what reading you get on a vacuum gauge. If you get 0 - 2 in/hg on the gauge it means you have an internal vacuum leak.
Is there any truth to this?
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11-18-2010 #2
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anyone?
11-19-2010 #3
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where is the gauge connected to? sealed crank case vent fittng yes (PVC disconnected, gauge plugged into valve cover hole) , manifold port?
MrQuick ΜΟΛ'ΩΝ ΛΑΒ'Ε
11-19-2010 #4
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Here is the link to the description, scroll down to "vacuum gauge method (internal)"
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