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AC B
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Cream colored transmission fluid

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wickman

05-22-2003 20:07:20




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I checked my fluid today. It was low and cream colored. Very odd. That wasn't the color I was expecting. This is my first tractor and first check of the transmission fluid. I bought some hydraulic/transmission fluid and drained all three plugs. DUmped about 7 quarts back in. I then started the B back up and mowed for about an hour. I then checked the fluid again. It's cream colored again.

From what I've read this is from water. I'm guessing that it's seeped around the shifter boot. Question - What should I be doing to clear this up? Continuous oil changes? Am I hurting something running with cream colored oil?

Any tips most welcomed.

Thanks,

Eric

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Archie

05-25-2003 17:54:12




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 Re: AC B - Cream colored transmission fluid in reply to wickman, 05-22-2003 20:07:20  
Hi Eric. My WD sits out some in the summer time. I got a plastic funnel at wal mart that the spout fits snug on gear shift. Get a rubber mount out of a shock if it is going to be out side put funnel on all way down over shifter boot. then put on rubber seal. it sounds kinda rough looking but it works, if boot is split. Keep in tool box so you will have it all time. Archie



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D13

05-24-2003 04:32:26




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 Re: AC B - Cream colored transmission fluid in reply to wickman, 05-22-2003 20:07:20  
If the water is left in the oil, especially and older high-sulphur detergent oil, it will form acid and start to pit the parts in th trans. Both of my B's have this, the one that had more water in it had worst pitting. THis is not really a big deal until the bearings start to pit and spall and then fail. Out of 8 bearings in 2 transmissions I had 2 that were not acid pitted, and both of those were replacements. My final drives were worse - all 6 I have had water in them, and I managed to find 4 of 24 bearings good, and 4 of 6 bull gears.

Might try siliconing the boot to the shift lever.

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steve

05-23-2003 19:21:14




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 Re: AC B - Cream colored transmission fluid in reply to wickman, 05-22-2003 20:07:20  
THe cream color is from water aroudn the shift boot as you said. when you drain you get 90% of it out. the new oil will look milky, but not near as bad as the original. it cost an extra $10., but after you run it a couple days, drainit out and install new hydraulic-trans fluid. what you drain will look much better than last time, and the new stuff will look real good. To the other question, no, the small amount of water will not hurt anything. Nothing inside to hurt as long as the water level is low and it dont freeze. If you have hydraulics, it can make the parts "stick" and not work so good. changing the oil will always help. Keep the tractor under a roof if possible, or cover with a tarp.

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D13

05-23-2003 03:07:51




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 Re: AC B - Cream colored transmission fluid in reply to wickman, 05-22-2003 20:07:20  
Two possibilities. 1 is that the oil is frothing and you are checking it whne it is full of air. This would be more likely on a hydraulic equipped tractor, and being checked right after use. 2 is that it is indeed water, and you are correct that the shifter boot is the source.

Check the fluid after the tractor sits overnight. Carefully loosen the plug and seeif water flows out first (I once took a quart of water out of the trans). Then check the fluid. If it is still cream colored water is the culprit. If no water and the fluid is oil again you pump may be frothing it.


If it;s water try the following.
If it doesn't have a hydraulic pump, on a dry warm day, drain it and fill it kerosene, drive around for a couple of minutes early in the morning, then drain and leave the fill and drain plugs out until the evening. Pull the shifter boot off and replace it. Put the plugs in late in the afternoon and refill.

If it has hydraulics, pull the plugs and boot, compress the ram, but do not put kerosene in it. Let stand all day, refill, be sure to cycle the hydraulics, then let sit over night check the fluid, and repeat as required. It took 3 flushings to get mine cleaned out.

Or you could disassemble it totally and clean. Pain in the butt.

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