Vet-day-2014
Screaming Lizard
Page 1 of 2 12 LastLast
Results 1 to 10 of 16
  1. #1
    Join Date
    Jul 2001
    Location
    Lakewood, TX
    Posts
    5,129

    RCI Plastic Fuel Cell Leaking

    It is leaking around the nylon washers on the fuel pickup fitting.

    The cell is also deforming slightly (was leaking before it deformed and not getting worse) one side bulging, one side sucking in....

    I have tightened the AN fitting on the pickup a bit - about as tight as I would like it to be - but still leaks the same.

    Anyone have any gasoline resistant sealant or other thoughts?

    Ed

  2. # ADS
    Circuit advertisement
    Join Date
    Always
    Location
    Advertising world
    Posts
    Many
    New Page 1

     
  3. #2
    Join Date
    Sep 2007
    Location
    Celina, Tx
    Posts
    1,281
    I bought some gasket material called Karropak from Fel-Pro. Got it from my local NAPA. I used it to seal the fuel pump ring on the last two RCI fuel cells we did. Seems to be working good.
    2011 JKU...bone stock

  4. #3
    Ben E's Avatar
    Ben E is offline "Flopped Club/Roll Over Club" / JOTM - December 2009 LSJC Member
    Join Date
    Oct 2006
    Location
    Murfreesboro Arkansas
    Posts
    11,717
    i have some 1/8" flat rubber sheet if you want some
    and your hammer

  5. #4
    Join Date
    Jul 2001
    Location
    Lakewood, TX
    Posts
    5,129
    I am stumped by why it leaks....

    I guess I will drain the fuel, disassemble and inspect before I slather JB Weld all over the fitting...

    Ed

  6. #5
    Join Date
    Jul 2001
    Location
    Arlington
    Posts
    1,338
    When you say bulging and sucking in is that while it is running? Do you have an obstructed breather that is allowing the pressure to build up inside the cell forcing the fuel out the path of least resistance? Or building a vacuum inside? I had a pinched breather once that caused my aluminum RCI to suck in.

  7. #6
    Join Date
    Apr 2006
    Location
    Carrollton, TX
    Posts
    705
    Do you have a tank vent? My aluminum cell did the same thing. heat would increase preasure in the tank and cause it to leak. With the vent it never had a problem.

  8. #7
    Join Date
    Jul 2001
    Location
    Lakewood, TX
    Posts
    5,129
    I do have a vent, with -8 braided hose, so I don't think in can be kinked, but not sure if I have fuel in it that keeps it from breathing...

    It has done it over the last 2 weeks with it never being started, and the cap loose too though.

    I am just not sure why yet.

    Working on skinning the sides this weekend, then will do the fuel cell.

    Ed

  9. #8
    Ben E's Avatar
    Ben E is offline "Flopped Club/Roll Over Club" / JOTM - December 2009 LSJC Member
    Join Date
    Oct 2006
    Location
    Murfreesboro Arkansas
    Posts
    11,717
    If it’s deforming and there is no pressure in or out because the fill cap is open, then it may just need more support?
    How is it restrained? Could the straps be too tight and deforming it?

  10. #9
    Let me know if you need anything welded on the tank. Adam

  11. #10
    Join Date
    Jul 2001
    Location
    Lakewood, TX
    Posts
    5,129
    Quote Originally Posted by Ben E View Post
    If it’s deforming and there is no pressure in or out because the fill cap is open, then it may just need more support?
    How is it restrained? Could the straps be too tight and deforming it?
    It is mounted with the RCI brackets, and they are not very tight, in fact, I would say they are actually a bit loose? They do not compress the tank anywhere?

    The square tank has on side sucking in, two sides bulging out, and one staying flat, The top has not changed either....

    Ed

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
line-X of West Forth Worth Amsoil