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Oil banjo fitting

Discussion in '348/355' started by drbob101, Mar 30, 2014.

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  1. drbob101

    drbob101 F1 Rookie
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    #1 drbob101, Mar 30, 2014
    I am just trying to eliminate any fluids drips. This isn't a big one but there were some drops that appeared to be coming off the banjo fitting. I took a large wrench to it and snugged it and thought I had improved it and I think I have but I just noticed a drop,on it.

    I just changed the oil and didn't mess with taking that fitting apart. I read where someone said he drains that tube as well when he changes his oil. Maybe I should have and inspected that fitting. The last time it was apart when they put the new headers in a few months ago.

    What makes those fittings weep and should I try tightening it again? I'm not thrilled with the idea of taking it apart as the oil is new buy I guess I could capture it and re use it if need be.
     
  2. Dino Chang

    Dino Chang Guest

    Dec 29, 2012
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    #2 Dino Chang, Mar 30, 2014
    Your talking about the oil hose from the bottom of the engine block to the lower left oil rad? That's the lowest hose of the oil system. Sounds like you need a new 30p washer. Just replace it, it's very simple to do. Catch the oil and then put it back in the engine after the washer is replaced.
     
  3. drbob101

    drbob101 F1 Rookie
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    #3 drbob101, Mar 30, 2014
    There is a replaceable washer in that fitting?[​IMG]

    Mine goes to the right radiator also. Maybe RHD vs LHD?
     
  4. Dino Chang

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    #4 Dino Chang, Mar 30, 2014
    Last edited: Mar 30, 2014
    Hi, that hose in your picture goes to the bottom of your oil tank not the rad. There is also another that goes from the oil tank , and that one goes into the rads bottom corner.
    But the one you posted goes into the bottom of the tank. The tank end does not have a washer. I think I can remember there not being a washer, It's a beveled end fitment. Which means as its tightend the bevel goes into the hole, this sealing it.
     
  5. drbob101

    drbob101 F1 Rookie
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    #5 drbob101, Mar 30, 2014
    The picture is where I'm getting a drip. At that fitting. I've snugged it but I noticed a drop on it today.[​IMG]

    It doesn't show any washer in that pic

    Maybe the seat had some debris on it when they reassemble it
     
  6. Dino Chang

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    #6 Dino Chang, Mar 30, 2014
    Yes it's the one to the oil tank. Yes I was thinking the same thing about some crap being in there. Because with that fitting the tighter you go the deeper the end of the oil pipe goes into the hole to seal it.
    Could it be coming from the other nut? The one that is held while the banjo is tightend? Look at your first picture, there should be a washer behind that.
     
  7. drbob101

    drbob101 F1 Rookie
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    #7 drbob101, Mar 30, 2014
    I'll keep an eye on it if it persists I'll take it apart.

    Dino, were you the one who said you drain that line when doing oil changes as well and get another liter out?
     
  8. Dino Chang

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    #8 Dino Chang, Mar 30, 2014
    Sorry I edited my post at the same time as you posted your last. Please re read again. I was talking about the other nut on the banjo fitting.
     
  9. drbob101

    drbob101 F1 Rookie
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    #9 drbob101, Mar 30, 2014
    I see that.

    I think that it's coming out between the pipe and the large brass nut though. Not from behind. It's not all that much but when I dry it it appears wet in that junction between the pipe and the nut.
     
  10. Dino Chang

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    #10 Dino Chang, Mar 30, 2014
    Yea, could just need taking out cleaning and re seating mate.
    I hope you get it done soon, it's not much of a problem to have mate :)
     
  11. drbob101

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    #11 drbob101, Mar 30, 2014
    Here's a pic[​IMG]
     
  12. drbob101

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    #12 drbob101, Mar 30, 2014
    No it's not. Thank you for the replies.
     
  13. yelcab

    yelcab F1 World Champ
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    #13 yelcab, Mar 30, 2014
    That is not a banjo fitting. It is a compression fitting, into an aluminum size converter, into the oil pan.

    If you have any scoring at all, on the inside of the size converter, it will leak. Replace it if you find any scoring, even if it is just a slight score.
     
  14. drbob101

    drbob101 F1 Rookie
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    #14 drbob101, Mar 30, 2014
    What am I replacing Mitch? The whole hose?
     
  15. yelcab

    yelcab F1 World Champ
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    #15 yelcab, Mar 30, 2014
    Union 138149
     
  16. Dino Chang

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    #16 Dino Chang, Mar 31, 2014
    So what I described is acualy called a "compression fitting". Thanks
     
  17. Dave rocks

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    #17 Dave rocks, Mar 31, 2014
    Last edited by a moderator: Sep 7, 2017
  18. Dino Chang

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    #18 Dino Chang, Mar 31, 2014
    I do think Drbob101 was using the term "banjo" in the loosest form. I for one don't think it's a biggy, and it was easily understood what he was referring to.
    Drbob101, before you go buying any parts. I would just take it of and check its condition first.
    I don't know how available the fittings are, but if you are stuck I have a couple of spare oil pans In storage with the fitting still on them. I don't mind taking one of if you can't find one.
     
  19. Dave rocks

    Dave rocks F1 World Champ
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    #19 Dave rocks, Mar 31, 2014
    It's no biggy at all but knowing the proper term can be helpful in the future.
     
  20. drbob101

    drbob101 F1 Rookie
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    #20 drbob101, Mar 31, 2014
    Ok, I should have looked at this first

    The part Mitch referred to is 10 on this diagram. There is a gasket 11 that I would think is the problem here.

    They would have had to take this oil,hose fitting off when replacing the headers and that gasket should probably have been replaced when they put it back together.

    http://www.ricambiamerica.com/parts_catalogs.php?V=diag&I=1461
     
  21. drbob101

    drbob101 F1 Rookie
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    #21 drbob101, Mar 31, 2014

    Thank you for the offer Dino. If you have a chance to undo one of them see if there is a gasket in there that can fail.

    Thank you again for the help all
     
  22. Dino Chang

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    #22 Dino Chang, Mar 31, 2014
    Last edited by a moderator: Sep 7, 2017
    Respectfully, that's exactly what I suggested yesterday, see above. I said there was a washer located there.
    You may not also know that the head of the hose also turns 360degs also, so could be potentially another source of leak. I have no idea what this kind of swivel system is called, but this to allows the rotation of the head ;)
    The pics are what I have just taken for you.
    Image Unavailable, Please Login
    Image Unavailable, Please Login
     
  23. drbob101

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    #23 drbob101, Mar 31, 2014
    Thats great Dino thankyou.

    But where is the "gasket", #11 in the ricambi schematic?
     
  24. Dino Chang

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    #24 Dino Chang, Mar 31, 2014
    Clearly its in-between the nut in pic 1 and the oil pan.
     
  25. drbob101

    drbob101 F1 Rookie
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    #25 drbob101, Mar 31, 2014
    Ok..I think I get it. That gasket goes between the union and the sump, not in that coupling pictured.

    SO..back to my original thought. The only thing that would make that coupling leak around the brass pipe itself is if 1) it is loose or 2) there is some debris in that seat stopping it from mating properly.

    Thanks for the help. If it persist I will undo it , clean it and reseat it.
     
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