John Deere GT225: water in the fuel tank
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    Cjet69's Avatar
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    John Deere GT225: water in the fuel tank

    This tractor has run good since I got it, but had to park it outside for several days a while back. Of course we got rain for a couple of those days and the next time I ran it I started having problems. When I checked the bowl on the carb I found some water. I hadn't added any fuel so I figure it had to get in the tank through the fuel cap or around the fuel line grommet on top of the tank. I pulled the fender deck off, cleaned off the crud, and found a bad fuel line grommet.
    The mower shop down the road had one so I didn't have to wait for parts. I got everything blown out and reassembled. I had a new hydro reservoir on hand so this was a good time to install it also. Got it fired up and it seems to be running good again.
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    Cjet69's Avatar
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    Took the GT225 for about a 1/2 hour drive thru the woods and around the farm. Its still running good so I think its fixed.
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    John Deere: 322, 318, 316, 214, GT225, LX255, 165, 111H, 111, SX95, SX75, RX73, F525, STX38
    John Deere Gator 6x4 #1
    John Deere Gator 6x4 #2
    Sears: SS14, GT18, 16/6
    Craftsman: 18.5 46, LT4000
    Cub Cadet: 1450, 124, 1220
    Simplicity: 725, 3415H
    Homelite: CT-10
    MTD: 990
    Montgomery Ward: 14 variable speed
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    TJR345's Avatar
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    Add some dry gas to get rid of any residue of moisture in the tank.
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    Tom

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    Cjet69's Avatar
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    Quote Originally Posted by TJR345 View Post
    Add some dry gas to get rid of any residue of moisture in the tank.
    I guess I didn't mention that I poured the old gas out of the tank and put new fuel in.
    BigJim55, TJR345 and JD4044M like this.
    John Deere: 322, 318, 316, 214, GT225, LX255, 165, 111H, 111, SX95, SX75, RX73, F525, STX38
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    Craftsman: 18.5 46, LT4000
    Cub Cadet: 1450, 124, 1220
    Simplicity: 725, 3415H
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    MTD: 990
    Montgomery Ward: 14 variable speed
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    TJR345's Avatar
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    Quote Originally Posted by Cjet69 View Post
    I guess I didn't mention that I poured the old gas out of the tank and put new fuel in.
    In the winter months when temps go up and down,whether you store it or use it for snow removal it's a good idea to put some in incase condensation forms from temperature change.
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    Tom

    2019 X590 with power mulch control and PF bagger
    30" mechanical tiller
    02 X595 with 62" deck,front thatcher and powerflow PTO kit
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    Frontier SS1036 3pt pto spreader
    (2) JS63C walk behind mowers
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    My thoughts are that if you add alcohol to the fuel , (IE Heet) you're asking for it to draw more moisture into the fuel plus it isn't good for the fuel system components. So be careful of what you add.
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    tseleno, Alcohol doesn't ADD water to the fuel, it encapsulates the water molecules already in the fuel on a molecular level. Alcohol also burns hotter than gas and will instantly turn the water into steam and then pass out the exhaust, often giving the engine more power due to the high expansion rate of water.

    Aircraft turbines/jets actually inject a water/alcohol mix for an extra "boost" on take-off. Bob
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    Let's just say that added alcohol is not recommended in non turbine OPE then.... Everyone's gotta be happy now.
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    TJR345's Avatar
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    Quote Originally Posted by tsoleno View Post
    My thoughts are that if you add alcohol to the fuel , (IE Heet) you're asking for it to draw more moisture into the fuel plus it isn't good for the fuel system components. So be careful of what you add.
    It doesn't draw moisture in,and I would rather add a once of Heet than have a tractor that won't run because it's froze up.
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    Tom

    2019 X590 with power mulch control and PF bagger
    30" mechanical tiller
    02 X595 with 62" deck,front thatcher and powerflow PTO kit
    3pt hitch with Heavy Hitch 45 JD loader
    12 JD suitcase weights
    JD/Brinly 3pt plow
    Frontier SS1036 3pt pto spreader
    (2) JS63C walk behind mowers
    TS 105 JD weed wacker
    tow behind 15 gal. sprayer
    Turftime 60" lawn roller
    Turftime 54" 3pt core aerator

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    Whichever one prefers as it isn't any skin off my back. Alcohol does attract water. Ask that first year chemistry student at your table. Rather than pounding our keyboards, pour some cheap pump gas into a shallow metal pan out in the driveway and walk away for 20 minutes and note the cloudiness forming into the previously clear fuel. Water droplets will eventually form. Temperature and humidity level may vary the time frame, but it inevitably happens. Add alcohol to fuel with water added into a similar pan. Note how the alcohol grabs on to the water puddle. It is a visible change. Whether or not your fuel cap is vented, every carbureted engine has a vented fuel system. I'll use alcohol mixed with fuel to help evacuate water from hard to clean fuel tanks as I swish if around and dump the mix. It helps grab the water.

    OPE has had big issues over the later years with viton, tygon and other rubber like compounds in fuel systems becoming soft, swelling or deformed from the use of alcohol. Carburetor coatings and castings that are used in manufacture are also damaged by alcohol . This happens so much so that people stabilize the fuel and or buy clear gas rather than alcohol enhanced fuel. So then why add more? Should you suspect a touch of water or just want to help protect against the dreaded "ice up", put an ounce of Seafoam or something else that can help manage the water plus not contribute to the problem.
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