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Blairhj 
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Joined: 17 Nov 2019
Location: Georgia
Points: 4
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 Topic: D15 Series Ii
Posted: 17 Nov 2019 at 7:12pm |
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D15 Series II, gas.
Manual steering pump vent tube - located on front in of radiator off set to right side if looking at tractor.
After decades, its suddenly spewing motor oil out of the 4 inch tall vent tube. Not hydrallic oil, motor oil. I see no "possible cause" or referance to this in my shop manual.
Any ideas ?
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DrAllis
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Joined: 12 Sep 2009
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Posted: 17 Nov 2019 at 7:47pm |
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If that is true (engine oil level is definitely going down) the shaft seal on the power steering pump is bad allowing the power steering pump to suck engine oil thru it.
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Blairhj
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Location: Georgia
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Posted: 17 Nov 2019 at 7:59pm |
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Is the power steering pump part of the governor set up ? What I mean is, theres no other stand alone pump I can find that's plainly apparent as on my other tractors.
If theres a way I can post pic tell me n I will.
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TimNearFortWorth
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Joined: 12 Dec 2009
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Posted: 17 Nov 2019 at 8:08pm |
You noted manual steering in first post? If PS, the 15's do not like to be overfilled and will puke when weather gets cold, even if auto trans fluid originally called for or 821 approved fluid used in bolster. I try and keep my 15's where the 821 fluid is just barely covering the gear teeth. I don't believe you want to use motor oil . . . .
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Blairhj
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Location: Georgia
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Posted: 17 Nov 2019 at 8:15pm |
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The shop manuals got me all mixed up. Its calling the vent tube up front "The manual steering vent tube". And, I've never had to address any steering problems so I honestly dont know wth the power steering pumps located. I will say it's easy turning the wheel so MUST have power steering. Wheres the power steering pump located so I ca pull it ? I'll look at the manual in the morning also. LOL, yeah I never put motor oil in any hydraulics resivor
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DrAllis
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Posted: 17 Nov 2019 at 8:44pm |
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The power steering pump is directly below/underneath the ignition distributer assembly. Are you absolutely sure you are loosing engine oil ??? This is important.
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SteveM C/IL
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Joined: 12 Sep 2009
Location: Shelbyville IL
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Posted: 17 Nov 2019 at 9:05pm |
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Doc,can pump suck air and boil out the front?
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Joe(TX)
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Location: Weatherford. TX
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Posted: 17 Nov 2019 at 9:24pm |
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The power steering pump would be more likely to loose oil into the engine.
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1970 190XT, 1973 200, 1962 D-19 Diesel, 1979 7010, 1957 WD45, 1950 WD, 1961 D17, Speed Patrol, D14, All crop 66 big bin, 180 diesel, 1970 170 diesel, FP80 forklift. Gleaner A
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DrAllis
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Posted: 17 Nov 2019 at 9:37pm |
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The PS pump could suck in air from a bad connection (or bad shaft seal, which I have never seen as of yet) and boil oil out the breather, yes. That is why I've asked the question are you SURE you are losing engine oil???
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