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2003 oil rails

Discussion in '6.0L Powerstroke Diesels' started by typ4, Apr 17, 2019.

  1. typ4

    typ4 Supporting Member Supporting Member

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    Does no one seal up the end plugs and hex plugs on these things?
    I just took mine apart and the o-rings are crispy.
    I cant find a source anywhere so measured up for viton orings from the seal source shop.
    Thx
    Russ
     
  2. Thewespaul

    Thewespaul Supporting Vendor Supporting Member

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  3. Dsl_Dog_Treat

    Dsl_Dog_Treat I lost my face to the jaws of a poodle Staff Member

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    Russ, I haven't been able to source them either. It's like a non serviceable item.:(
     
  4. Oledirtypearl86

    Oledirtypearl86 Full Access Member

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    @typ4 herd same thing but also herd generic Oring kit will work just fine from a 6.0 mechanic (one of the remaining few)
     
  5. bismic1

    bismic1 Full Access Member

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    I have been told that the 7.3L ones will work for the end plugs, but I haven't confirmed it for myself yet (seems too easy, but maybe it is true). Part # 4C3Z-6026-CA :

    http://www.dieselorings.com/15-007-oil-rail-end-plugs-uvc-cylinder-heads.html

    https://www.riffraffdiesel.com/oil-rail-end-plug-gasket-o-ring-set/

    http://www.dieselorings.com/docs/277instructions.pdf


    Rail diagram:
    https://cimg7.ibsrv.net/gimg/www.fo..._8ef9c2c112dc7ab172471fa40b2d5ab028303b4d.png

    Small oil rail test port plug (allen head on early build and hex head on late build:
    Plug by itself is W302297 (old number was W300091), o-ring "base #" is 9C064
    Oil rail test port plug o-ring ONLY (2 pack) - 3C3Z-9C064-BA or 3C3Z-9C064-AA (sorry I don't know which one of these o-rings it is, but I think it is the "AA")
    https://www.tascaparts.com/oem-parts/ford-plug-w302297
    https://www.tascaparts.com/oem-parts/ford-o-ring-3c3z9c064aa
    https://www.tascaparts.com/oem-parts/ford-o-ring-3c3z9c064ba

    Larger oil rail plug: W300090, o-ring "base #" is 9N693
    https://www.tascaparts.com/oem-parts/ford-plug-w300090
     
    Last edited: Apr 18, 2019
  6. bismic1

    bismic1 Full Access Member

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    It would probably help quite a few folks if you could take an old end plug to a dealership and compare it with part # 4C3Z-6026-CA
     
  7. typ4

    typ4 Supporting Member Supporting Member

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    Early 6.0, no dummy plugs.
    End plugs on oil rails are not service items. One of them had been removed and galled the surface behind the oring groove. Fortunately the threads are ok.
    Friend that does these by the hundreds gave me an 06 wavy rail, end plugs are the same.
    The little hex plugs are just metric boss orings. That wasn't an issue
    The end plug is some kind of quad ring looking seal. And it's an odd size. Not available from Ford or IH.
    Oring house had nothing.
    AND, as it turns out the Ford reman Injectors with 40k in 5 years on them are complete junk.
    Oil exhaust side of the spool just pours oil out on the first three injectors they tested. Picking up new injectors from them Monday morning from Allied which is a pure Power Injector
     
  8. typ4

    typ4 Supporting Member Supporting Member

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    And the 7 .3 plug things that are in the head are not the same as the 6.0 at all
     
  9. bismic1

    bismic1 Full Access Member

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    Would you please post a pic of the end plug that shows the sealing area, and also post the hex head size?
     
    Last edited: Apr 21, 2019
  10. typ4

    typ4 Supporting Member Supporting Member

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    socket size is 1-3/8. the later plugs are the same size but are hollow. The early plugs have an insert pressed in that looks to make some sort of mine attenuator in the oil rail. I robbed the seals off the donated ones and its back together. Time to install injectors. fun day
     
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  11. typ4

    typ4 Supporting Member Supporting Member

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    So, I installed the new pure power injectors and this truck has NEVER run this good in the 5 years I have been in it. Even the reman ford injectors obviously were crap.
    I can say after going thru everything that even a tuner will not cover up bad injectors.
    It will actually gett out of its own way in a reasonable time.LOL
    And fuel usage is half .
     
    pafixitman and DaveBen like this.
  12. 79jasper

    79jasper Chickenhawk

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    The power will make you not want to sit in a idi again. Lol

    Sent from my SM-N960U using Tapatalk
     
  13. typ4

    typ4 Supporting Member Supporting Member

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    Not even. My idi starts within one second of cranking, 3 in the cold weather. These electronic things dont do that.
     
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