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Air Intrusion

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Old Jan 16, 2015 | 05:00 PM
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Air Intrusion

After the weather broke a little here, I done a little investigating on my hard start. Everything appears to be dry on my return system. After sitting for a day or two, it's getting air from the shrader valve on the filter head. I replaced the one in the filter head a while back. Should I do away with the return from the filter head?
 
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Old Jan 17, 2015 | 08:00 AM
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i did away with the line front the front injector to filter head back in 1990 after getting a TSB from ford. never had any problems with air intrusion after that.
 
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Old Jan 17, 2015 | 09:59 AM
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Originally Posted by tjc transport
i did away with the line front the front injector to filter head back in 1990 after getting a TSB from ford. never had any problems with air intrusion after that.
Thanks tjc. Did you just plug the rubber hose?
 
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Old Jan 17, 2015 | 10:38 AM
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yup. put a bolt in the line with a hose clamp, and a brass plug in the filter head.
left it that way for about a year, then replaced the dual tap cap with a single outlet cap when i did return lines
 
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Old Jan 17, 2015 | 10:48 AM
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Thanks tjc. Tried to find a small checkvalve at Lowe's. No luck. Gonna run by my local hardware store and see what they have. We have some decent weather today! You wouldn't know what size that brass plug would be, Would you?
 
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Old Jan 17, 2015 | 11:36 AM
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nah, that was 25 years ago
 
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Old Jan 17, 2015 | 11:47 AM
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Thanks tjc.
 
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Old Jan 17, 2015 | 05:28 PM
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For what it's worth, the plug for the return on the filter head is 1/8.
 
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Old Jan 17, 2015 | 06:34 PM
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Old Jan 20, 2015 | 10:32 AM
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air intrusion

I have a 1992 f250,5 speed flat bed. After setting a week it would not start. I cracked the first injector on drivers side as that usually did the trick. Not this time. After reading the post by tic I clamped the line from first injector to filter with a vise grip, cracked that other injector again and it started after about ten seconds of cranking. I then tightened back the injector. Thanks so much for that info. I we would have spent days looking for the intrusion otherwise. I will now just plug it off as described. Thanks.
 
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