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Fuel leak

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Old Dec 25, 2019 | 04:29 PM
  #1  
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URDADDY
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From: Ashland, Mississippi
Fuel leak

04 F250 6.0L
have discovered fuel leaking from whatever it is the fuel filter on top screws into. Recently had HPOP and oil sending unit replaced. Also replaced tubing and such on turbo. What could cause the fuel leak? And the cap is on tight and the leak isn’t from the cap is somewhere below it, right under the turbo pipe.
any ideas?
 
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Old Dec 25, 2019 | 05:02 PM
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Upon further inspection the leak is definitely coming from the fuel filter housing. Don’t know yet if it’s a connection or a crack in the actual housing. Not really sure what the part is called other the. Fuel filter housing.
 
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Old Dec 25, 2019 | 05:37 PM
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Unless they removed the oil and fuel filter setup, which would not be normal, it’s most likely the filter cap o-ring. The caps can crack if they are over-torqued, since they are plastic, so that should be checked too.

If the filter assembly was removed, you could have a fitting leak. Any chance you had them do a ”blue spring” upgrade?
 
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Old Dec 25, 2019 | 05:57 PM
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I had a leak like that. It turned out to be the spring housing gasket. I bought the blue spring upgrade and replaced. Solved my problem. Check fuel lines connections also.
 
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Old Dec 25, 2019 | 10:41 PM
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Ditto on the spring housing gasket. I replaced with a blue spring kit and all is well. Hope yours is that easy to find.
 
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Old Dec 26, 2019 | 06:55 AM
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I went ahead and ordered the blue spring upgrade. Seems like the best idea to just replace all the gaskets and do the spring while at it.
 
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Old Dec 26, 2019 | 12:33 PM
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Make sure all the fuel lines are tight and might as well replace o-rings while you are doing the blue spring.
 
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