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  1. #1
    New Member
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    Jul 2009
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    10

    Default John Deere 5425 Fuel System Problems - Anyone Have Any???

    Have had problems with Deere 5425 not wanting to start after setting for a few days. The tractor will crank and start, the RPM's begin to drop off/surge, tractor dies, and then will not restart. Lines must be bled. Please elaborate if you have encountered a similar situation with a 5325, 5425 or 5525 Deere. Thank you.

  2. #2
    Bronze Member
    Join Date
    Mar 2009
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    98
    Location
    Cookeville, Tennessee
    Tractor
    John Deer model B, 1946

    Default Re: John Deere 5425 Fuel System Problems - Anyone Have Any???

    Does that JD fuel system use the square glass fuel filter?

  3. #3
    Veteran Member Dutch445's Avatar
    Join Date
    Aug 2001
    Posts
    2,350
    Location
    Upstate NY
    Tractor
    JD X585

    Default Re: John Deere 5425 Fuel System Problems - Anyone Have Any???

    sounds like your injection pump or cold start assist isn't working properly. if you can find a good diesel pump tech and he could maybe dial it in on a dyno i bet you would be all set. sometimes the dealers don't have the right tools to fully dial in those pumps.

  4. #4
    Bronze Member
    Join Date
    Mar 2009
    Posts
    98
    Location
    Cookeville, Tennessee
    Tractor
    John Deer model B, 1946

    Default Re: John Deere 5425 Fuel System Problems - Anyone Have Any???

    After a little investigation, I found that the JD fuel system on your tractor uses a fuel filter and head assembly manufactured by Stanadyne. Their product terms it as the 'Fuel Manager'. What you are experiencing is the fuel filter is draining back into the fuel tank leaving vapor in the fuel filter. When you start the engine, the vapor causes rough running, likely some white smoke and shortly after, the engine quits due to air in the injection pump. This filter system has an air bleed valve on the head plus it has a water drain valve on the bottom of the filter element. Both must have a solid seal or air will be pulled into the filter while the engine is running or allow fuel to back drain into the tank. Your symptoms state that after being shut down for several days you have these problems. Somewhere in your fuel supply John Deere may have installed check valve to prevent fuel from back draining the filter into the fuel tank. It may be much worse when you tank fuel level is low. Stanadyne suggests that if you have starting issues to use the hand priming pump to refill the filter before you attempt to start the engine. If you do that before you start the engine, there should not be any air ingested into the injection pump. Once air gets into the pump and the engine shuts down, you can use the priming pump to assist in purging air from the pump and injection lines. Find a diesel injection shop that provides parts and service for Stanadyne fuel injection. Most shops can do this.
    Attached Files Attached Files

  5. #5

    Default Re: John Deere 5425 Fuel System Problems - Anyone Have Any???

    I own a 2005, 5525 which is in the shop at this very moment with the exact problem you describe. If used every day, tractor starts with no problem. If the tractor sits for 2 or 3 days, the tractor will start, run for 5 to 10 seconds and then shut off as though it ran out of fuel. 60 to 90 seconds of cranking will get it started after which it starts and runs fine.
    My local John Deere dealer took it in today and said that there is a John Deere service alert which suggests the installation of an electric fuel pump to resolve that issue. They are in the process of installing the pump. I suspect that the pump will resolve the problem.

  6. #6
    Super Member RickB's Avatar
    Join Date
    Sep 2000
    Posts
    7,979
    Location
    Eastern NY
    Tractor
    Case 885, Ford 4000

    Default Re: John Deere 5425 Fuel System Problems - Anyone Have Any???

    Those filter heads and primer pumps are garbage. I fight with a couple of 5000 series Deeres when I service them for customers. I also work on a 6405 (I believe that is the correct model number) that I know for sure has an inline check valve in the line entering the fuel filter. Adding one of them may be more effectiive and certainly cheaper than adding an electric pump.
    We have too much gun control.
    What we need is more idiot control.

  7. #7

    Default Re: John Deere 5425 Fuel System Problems - Anyone Have Any???

    That electric pump won't help at all. My dealer can not figure out the problem, but it has to be a check valve.

  8. #8
    Veteran Member
    Join Date
    Dec 2001
    Posts
    1,052
    Location
    Maryland

    Default Re: John Deere 5425 Fuel System Problems - Anyone Have Any???

    Actually I have installed a couple of the electric pumps and that has cured the problem and makes bleeding the filter so much easier. Actually, I install a strainer filter in-line close to the tank, then the electric pump, and then a check valve also. The problem is worse on cab tractors and high platform models. The tank is lower than on the straddle mount models. Good Luck!

  9. #9
    Bronze Member GYPSY's Avatar
    Join Date
    Jan 2010
    Posts
    78
    Location
    ^ Mason Dixon
    Tractor
    JOHN DEERE

    Default Re: John Deere 5425 Fuel System Problems - Anyone Have Any???

    Keep Your tank at least 3\8's full and have a look at Your rubber supply line from the tank, I'll bet the farm its dry rotted, I have done everything on Mine and have come to find out that all the rubber lines on this tractor are shot, the hardest to replace was the return line thats at the top of the rear of the motor, man had to take alot of stuff off but its done, My only leak now that I have is from the tank filler neck to the tank itself, theres a short piece of rubber hose that joins the 2, I just dont fill the tank to the very top, very disappointed with the whole thing but such is life.....every single piece of rubber line is garbage....soooo sad...

  10. #10
    Super Member
    Join Date
    Dec 2007
    Posts
    6,481
    Location
    Ohio
    Tractor
    JD 5520, 790 TLB-- Kub L4300, B7800, MX5100

    Default Re: John Deere 5425 Fuel System Problems - Anyone Have Any???

    While I have not had a starting problem, I have a JD 5520 that the fuel lines simply deteriorated to mush on me. It was a tough job to change them. I made sure to replace with a quality line.
    Changed the filter, bled the lines and good to go.
    ******

    May I be the kind of person my dogs think I am,

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