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Old 07-13-2007, 08:42 AM   #14 (permalink)
Dad
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Join Date: May 2007
Location: Indiana
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Quote:
Originally Posted by 1-TON View Post
Well after reading what you say about the mechanical fuel pressure gauge I am wondering if my 2 inch air bubble is causing mine to read a wrong reading. Mine idles at 8psi and yours was 7psi. I have tried and tried to get that air bubble out but no luck.
If you're getting it to seal, the best way I found to get air bubbles out was to go to the lowest side, which is likely the isolator end, undue the connection. Stick a little syringe in the tube filled with anti-freeze. (You can also use water in your mouth if you have enough anti-freeze in there.)Have a helper on the gauge end loosen the fitting. Then with the syringe, push the fluid up the tube (and the air bubble out.) When the bubbles are gone, have your helper tighten the fitting. The vacuum should hold the fluid in there while you reconnect.

One word of caution: Over tightening compression fittings will result in leaking. Sometimes, even loosening and re-tightening will cause it to begin to leak.
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