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Discussion Topic:
no fuel
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46fordnut |
07-27-2011 @ 12:52 PM
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Member
Posts: 332
Joined: Oct 2009
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still trying to figure this out ...no fuel get to the glass bowl on my pump. put new valves put new bowl seal (cork). and pump push rod moves well. i do have little less then half of a tank of gas. i was thinking i might just be the flex line on the fire wall . or dia inside pump . did not see any dri rot when i took pump apart. any other ideas? line from tank to wall copper coated steal. is from 2006.
100 horse running wild
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supereal |
07-27-2011 @ 3:08 PM
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Senior
Posts: 6819
Joined: Oct 2009
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Have you substituted a known good pump? The smallest air leak will render a pump useless, even a pinhole will do it. Old flex lines can close up due to separation of the lining from the cover and act as a check valve. It is also possible that the pickup tube in the tank has fallen off. I've seen it happen. I'd place a container under the end of the line to the carb and apply air pressure to the tank at the filler neck to see if fuel is delivered. I have little faith in the sealing quality of old cork rings to the glass bowl. A thin coating of RTV silicone to the surface can often fix that. Usually, this type of problem is easy to solve. Either the pump is bad, or the line has an air leak, or is clogged. An air pressure test should tell you which it is.
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46fordnut |
07-27-2011 @ 3:34 PM
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Member
Posts: 332
Joined: Oct 2009
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blew out fuel lines . tried filling carb bowl even tried to fill sed glass bowl still wont pick up fuel. replaced check valves in pump, put new cork seal on glass bowl. put temp rubber line where flex line should be and still nothing. have close to half a tank of fuel to sender out and measured the level. car ran until carb ran out of fuel. pump never picked up anything.
100 horse running wild
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MG |
07-27-2011 @ 4:49 PM
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Senior
Posts: 1262
Joined: Nov 2009
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As super said: "Have you substituted a known good pump?"
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46fordnut |
07-27-2011 @ 5:11 PM
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Member
Posts: 332
Joined: Oct 2009
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well i only have one pump . ill get a rebuild kit and go from there. if it does nothing ill replace flex line.
100 horse running wild
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shogun1940 |
07-27-2011 @ 6:28 PM
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Member
Posts: 464
Joined: Feb 2010
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if you put your finger over the inlet and turn the engine over do you feel pressure or vacuum or nothing???
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46fordnut |
07-27-2011 @ 6:52 PM
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Member
Posts: 332
Joined: Oct 2009
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put finger over inlet with pump off of car very little if any vaccum.
100 horse running wild
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MG |
07-27-2011 @ 8:58 PM
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Senior
Posts: 1262
Joined: Nov 2009
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Airtex Fuel Pump #591 (AFP 591) - Can be found at NAPA, O'Rielly's and Auto Zone - $42.95 This, only if you want to run "wild".
This message was edited by MG on 7-27-11 @ 9:00 PM
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TomO |
07-28-2011 @ 6:54 AM
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Senior
Posts: 7271
Joined: Oct 2009
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46fordnut, Your last post in the other thread about this problem said that you were going to hook up your vacuum gauge to the input of the fuel pump. Did you do this? Please post the results.
Tom
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46fordnut |
07-28-2011 @ 5:52 PM
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Member
Posts: 332
Joined: Oct 2009
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i cant seem to find my vac gauge. would a compression gauge work on the out put side? if so how much should it read?
100 horse running wild
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