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HELP! Leaking injector!

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Replaced my injectors. Now #2 is leaking. Cross over tube is in. Heard it "pop" into place. Hand threaded all the lines back on.... Can't figure out why... Any and all help is welcome!

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what year truck. did you change o-rings on cross over tube? where is leak, inside or out? need more info.

  • Author

2002. Outside. Onto the block Didn't change the orings on cross over tube. 2nd time I've done injectors. Weren't leaking last time.

If it is pumping fuel out to where it is running off the engine you have a leak, if it is just damp with fuel it is just fuel that was trapped in the void in the head between the line nut and crossover tube and will weep out and dry after a few days of being warmed up good. Very common and nothing to worry about happens all the time and folks think they have a leak which they do not.

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    No. It runs. There's a puddle after I drive.

    • Author

    I'm trying to figure out what is causing the leak

    I've never done it but there was something about the tightening order posted. someone will come along. I think it was tightening the cross overs before the injector body. I'm saying yes to the Oring.

    When I installed mine I tightened the injectors and then installed the cross over tubes and had more than one leak. I went back and reversed the order. Installed the injectors then then crossover tubes, tightened the fuel lines and then tightened the injectors and all my leaks went away. That said I think I would put on new o ring on and see if that stops it.

    Yes. That is the o-ring. Is it only one or more?

    • Author

    Okay. I have a full set of extra tubes. I'll try it out

    • Author

    CHanges the cross over tube. Didn't fix it.

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    Changed the line and BAM no more leaks.

    :thumb1:Glad you got it, the lines can get hairline cracks or over tightened and distorted.

    • Author

    Over tightened :( luckily my buddy just did a pPump swap. So had a full set of lines for $50!

    • Author

    I know have a extra set of lines if anyone needs any other then #2...

    I know have a extra set of lines if anyone needs any other then #2...

    I need one of the blue hold down blocks. Did you by any chance get them with the lines?
    • Author

    What's it look like. Lol I have them all.

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    Welcome To Mopar1973Man.Com LLC

    We are privately owned, with access to a professional Diesel Mechanic, who can provide additional support for Dodge Ram Cummins Diesel vehicles. Many detailed information is FREE and available to read. However, in order to interact directly with our Diesel Mechanic, Michael, by phone, via zoom, or as the web-based option, Subscription Plans are offered that will enable these and other features.  Go to the Subscription Page and Select a desired plan. At any time you wish to cancel the Subscription, click Subscription Page, select the 'Cancel' button, and it will be canceled. For your convenience, all subscriptions are on auto-renewal.