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6.9L Diesels Technical discussion of topics related to vehicles powered by the 6.9 Liter In-Direct Injection Navistar engines.

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Old 11-25-2012, 02:20 PM   #1 (permalink)
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tighten leaking fuel lines?

I found that there is a leak on the fuel line going from the IP to #1 injector, at the connection to the IP. Is there a way to tighten the one fuel line without pulling the entire IP?
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Old 11-25-2012, 04:47 PM   #2 (permalink)
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You may be able to get to the fitting with a crows foot flare. If not then just remove the steel lines on that side of the IP, starting at the top. Mark which injector it goes to and then just reverse the order to put them back on.
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Old 11-25-2012, 08:54 PM   #3 (permalink)
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That sounds too simple! Considering I am replacing the fuel return lines and need to loosen things up, I will give it a try tomorrow morning.

Thank you,
Darryl
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