2000 John Deere 345
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    2000 John Deere 345

    2000 John Deere 345 with Kawasaki engine.

    I could use some help or direction.
    My tractor been great however, (and this is the second time this happened). My fuel tank is leaking as a result of what appears to be a transmission fan blade rubbing it. My speculation is that the tank bulged above the fan far enough for blades to contact and penetrate it. Does this happens often or /normal? What should I do about it other then just replace the tank and broken fan?

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    I would check all the mounting brackets for the tank and see if they have become bent or broken. I am going to assume the tank is fairly hard plastic? I doubt it would swell enough for this too happen but who knows.
    BigJim55 likes this.
    3025e, D160 loader, Artillian Grapple, Forks, Hoe Bucket, Frontier Land Plane, Rotomec PDH300, Redline Systems 54 inch rock bucket, Heavy Hitch
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    AverageJo (06-17-2018)

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    2000 John Deere 345

    Well the tank is captured by the frame on the sides and there is no mounting brackets for the tank specifically . And on the top it’s captured by the body panel with the seat. In other words the tank just seats captured by the frame and panel with the seat from above. So there is really no bracket for the tank. I just wanted to see if I am the only one who is experiencing this phenomenon.


    Last edited by AverageJo; 06-17-2018 at 09:41 AM.

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    Quote Originally Posted by 69project View Post
    I would check all the mounting brackets for the tank and see if they have become bent or broken. I am going to assume the tank is fairly hard plastic? I doubt it would swell enough for this too happen but who knows.
    69project

    Thank you sir.

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    Fozsey's Avatar
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    I'm assuming you are replacing the tank and I'd inspect the hub mount for the fan making sure it's fully seated. My first suspect would be that hub. I've never seen a tank on a 3xx series sag and especially not enough to come in contact with the cooling fan. Check everything closely. By the looks of your pics this wasn't an instant catastrophic failure, I would assume those two materials made quite a racket and it also seems plausible that the broken blade could have been the catalyst for the damage to the tank as opposed to contact causing the blade to break. Sometimes our minds eye sees something that should be clear cut but the sequence of events might be different. When inspecting things, keep an open mind.
    Last edited by Fozsey; 06-17-2018 at 01:26 PM.


    ~Brian~

    1998 425/54 Deck/650 hours | 1998 455/60 Deck/54 Blade/1300 hours | 2003 GX345 48 Deck/47 Blade/Electric Pivot/900 hours (sold)


    Yes I have an addiction and no I don't want help


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    2000 John Deere 345

    Hi Fozsey and thanks for taking the time to help me. I remember that the tank was pressurized and when I opened the cap it almost deflated. I did think that was odd as the pressure released when I opened the cap. Maybe I made the cap too tight. As I said this has happened before (about 15 years) and you can see that I melter the hole in the last picture.
    Maybe I need to come up with some cover over the fan to prevent the tank from bulging and contacting the fan.
    Last edited by AverageJo; 06-17-2018 at 07:59 PM.

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    Fozsey's Avatar
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    Quote Originally Posted by AverageJo View Post
    Hi Fozsey and thanks for taking the time to help me. I remember that the tank was pressurized and when I opened the cap it almost deflated. I did think that was odd as the pressure released when I opened the cap. Maybe I made the cap too tight.
    Your vent in your cap isn't functioning properly. You should never have that much pressure regardless of ambient temp.


    ~Brian~

    1998 425/54 Deck/650 hours | 1998 455/60 Deck/54 Blade/1300 hours | 2003 GX345 48 Deck/47 Blade/Electric Pivot/900 hours (sold)


    Yes I have an addiction and no I don't want help


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    Quote Originally Posted by Fozsey View Post
    Your vent in your cap isn't functioning properly. You should never have that much pressure regardless of ambient temp.
    Ok now we are getting somewhere! So if I understand you correctly, the gas tank should not have much pressure. So is the vent in the cap there to prevent the pressure from building up or to allow air to inter to prevent vacuum lock?

    And if it’s the pressure build up prevention vent then my speculation could be right that the tank inflated as a result of cap vent clog to the point of transmission fan contact?

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    2000 John Deere 345

    So gentlemen would any of you be able to help me with the replacement JD part numbers?
    I need the number for the gas tank, fan, and the hoses that enter inside the tank.



    Also, shouldn’t both of them have the plastic tube (both should look like the one on the right in the picture) that inside the tank?

    Any help is much appreciated
    Last edited by AverageJo; 06-18-2018 at 06:29 AM.

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    JDSwan87's Avatar
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    Quote Originally Posted by AverageJo View Post
    So gentlemen would any of you be able to help me with the replacement JD part numbers?
    I need the number for the gas tank, fan, and the hoses that enter inside the tank.


    Also, shouldn’t both of them have the plastic tube (both should look like the one on the right in the picture) that inside the tank?

    Any help is much appreciated
    If memory serves me, the long one is a pickup and the short one is the return. As for a new tank, I THINK the tank is all the same one the 325/335/345 tractors. I woould look for a blown up one and put used parts on. I bet a new tank would be a small fortune... the hoses pictured above can be put back in...

    Sent from my SM-G920V using Tapatalk

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