Page 1 of 2 12 LastLast
Results 1 to 10 of 13
  1. #1
    Bronze Member
    Join Date
    Jun 2004
    Posts
    57
    Location
    East Ryegate, VT

    Default JD 820 - Pinhole leak in Fuel Tank

    JD 820 3 - Cylinder Diesel. I have a pinhole leak on the bottom of the fuel tank, near the petcock. Can anyone recommend a product to use to repair this? I keep coming across JB WaterWeld, but the reviews are mixed. Thanks!

  2. #2
    New Member
    Join Date
    Apr 2007
    Posts
    24

    Default Re: JD 820 - Pinhole leak in Fuel Tank

    I don't know if this will work on a diesel tank, but it worked on a gas tank that had the same problem. I just used the two part epoxy that they sell in every hardware store. I drained the tank and got the outside of the tank as dry and as clean as I could. (Hand wire brush it, don't use grinder--sparks!) Then I took the epoxy and mixed it up. Spread some on some cotton cloth until it was well soaked. Pushed it on the hole and held it there for as long as my arms would hold out and left it alone. Waited 24 hours or so, filled it up and it held for several years. I didn't even take the tank off the car, just did it by crawling under.

  3. #3
    Super Star Member Egon's Avatar
    Join Date
    Aug 2001
    Posts
    19,243
    Location
    Nova Scotia, Canada

    Default Re: JD 820 - Pinhole leak in Fuel Tank

    There was a time when it would have been fixed by putting a screw with rubber washer in the hole.
    Egon
    50 years behind the times
    Livin in a
    Worn out skin bag filled with rattlin bones

  4. #4
    Veteran Member JerryK's Avatar
    Join Date
    Feb 2004
    Posts
    1,988
    Location
    Vanderbilt, Michigan, USeh?
    Tractor
    Mahindra 5035 HST TLB, 2555 HST Cab, JD 420 HST

    Default Re: JD 820 - Pinhole leak in Fuel Tank

    Years ago, leaks in bottoms of gas tanks in old cars was common. We used ' Seal All ', which came in a tube and did the trick.. Don't know if it will work with diesel, but gas was no problem... You could also mount the tank upside down, so that leak would be at the top...
    78" Mahindra front blower, 48" CID QA forks, 6' EverythingAttachments Land Plane, 78" JRW rear blower, homemade 1 ton rear weight, 6' Ford rear blade, big homemade 3pt box/carrier, 8" wood chipper

  5. #5
    Platinum Member 3v0's Avatar
    Join Date
    Jan 2013
    Posts
    521
    Location
    Oklahoma Pan Handle, United States
    Tractor
    Kubota BX2200

    Default Re: JD 820 - Pinhole leak in Fuel Tank

    Is this a quirk or is the tank rusting through ?

  6. #6
    Bronze Member
    Join Date
    Jun 2004
    Posts
    57
    Location
    East Ryegate, VT

    Default Re: JD 820 - Pinhole leak in Fuel Tank

    I noticed a small leak a few days ago and thought maybe the connection to the fuel line was loose. Went to tighten it (very gently) and the weld holding the connector/petcock broke off. Luckily I had a 5 gallon bucket within reach. Brought it to a local welder who reattached the connector. My guess is that there was a very small crack or hole nearby that expanded when heated during the welding. Just my guess. At least from the outside, the tank seems in good shape. Once it's drained, I will try and see inside.

  7. #7
    Bronze Member
    Join Date
    Jun 2004
    Posts
    57
    Location
    East Ryegate, VT

    Default Re: JD 820 - Pinhole leak in Fuel Tank

    So I'd have to take down the ROPS to flip it over whenever I needed to add more fuel?

  8. #8
    Bronze Member
    Join Date
    Jan 2012
    Posts
    81
    Location
    Mountaindale, Oregon
    Tractor
    Allis Chalmers ACD19, ACG; Kubota BX2200 FEL, B2710 FEL, L355SS FEL; Cat D47U, Ford 4600SU FEL

    Default Re: JD 820 - Pinhole leak in Fuel Tank

    Haven't heard of Waterweld but the original JB Weld has always worked for me. For best results you would have to invert the tank. The screw and washer method works well for small pinholes also, as mentioned. Sheetmetal roofing screw w/neoprene washer?
    Dennis

    Quote Originally Posted by lacamo View Post
    JD 820 3 - Cylinder Diesel. I have a pinhole leak on the bottom of the fuel tank, near the petcock. Can anyone recommend a product to use to repair this? I keep coming across JB WaterWeld, but the reviews are mixed. Thanks!

  9. #9
    Veteran Member JerryK's Avatar
    Join Date
    Feb 2004
    Posts
    1,988
    Location
    Vanderbilt, Michigan, USeh?
    Tractor
    Mahindra 5035 HST TLB, 2555 HST Cab, JD 420 HST

    Default Re: JD 820 - Pinhole leak in Fuel Tank

    Quote Originally Posted by lacamo View Post
    So I'd have to take down the ROPS to flip it over whenever I needed to add more fuel?
    I wasn't curing all your problems, just suggesting that so you would not have to worry about that there pinhole... [ ]
    78" Mahindra front blower, 48" CID QA forks, 6' EverythingAttachments Land Plane, 78" JRW rear blower, homemade 1 ton rear weight, 6' Ford rear blade, big homemade 3pt box/carrier, 8" wood chipper

  10. #10
    Bronze Member
    Join Date
    Jun 2004
    Posts
    57
    Location
    East Ryegate, VT

    Default Re: JD 820 - Pinhole leak in Fuel Tank

    Yesterday, I got an epoxy-based fuel tank repair kit and applied it. Bad news: while sanding, it became clear that there is corrosion on the bottom of the tank as a couple of other pin holes appeared. I went ahead and covered as large an area as I could. This morning I put a gallon of fuel in and suspended the tank over a bucket and so far the leak has been sealed. But it's only a matter of time before I'll have to replace the tank. I have seen metal and plastic replacements -- any idea which would be better? Thanks for all the responses!

Page 1 of 2 12 LastLast

Similar Threads

  1. Pinhole fuel line leak
    By JRobyn in forum Parts/Repairs
    Replies: 10
    Last Post: 08-23-2012, 09:08 PM
  2. Oil & Fuel Fuel Tank Leak
    By David Cravey in forum Massey Ferguson Owning/Operating
    Replies: 1
    Last Post: 06-23-2010, 09:40 PM
  3. Oil & Fuel JD 1070 pinhole leak in fuel tank???
    By davefr in forum John Deere Owning/Operating
    Replies: 9
    Last Post: 05-26-2008, 04:07 PM
  4. Oil & Fuel Another BX Fuel Tank leak
    By JonSpinosa in forum Kubota Owning/Operating
    Replies: 13
    Last Post: 11-23-2001, 07:38 PM
  5. Oil & Fuel BX fuel tank leak
    By r0GuE in forum Kubota Owning/Operating
    Replies: 3
    Last Post: 08-07-2001, 07:28 PM

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
© 2016 TractorByNet.com. TractorByNet is a registered trademark of IMC Digital Universe, Inc. Other trademarks on this page are the property of their respective owners.