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My transmission makes greenish milky oil #4465144
07/20/17 03:17 PM
07/20/17 03:17 PM
Joined: Feb 2013
Posts: 534
Louisiana
SuzukiGoat Offline OP
SuzukiGoat  Offline OP
Joined: Feb 2013
Posts: 534
Louisiana
Stand alone transmissions. Wet clutch
Five speed manual.

Zero material in filter screens.

Two units. One running yamalube 15w50 synthetic. One running rotella 15w40.

When draining either trans, oil comes out the wrong color. Greenish chocolate milk.

Water intrusion is impossible on one unit. Possible on the other.

One unit only sees long drives. One only sees short. One unit is driven by someone who clutches every gear while rev matching. The other is by Simone who only rev matches.

Oil comes out of both units the same odd color.

Performance of transmission changes when oil starts to sheer. Tougher to slot gears in.

Before I pay to semd these off... What in God's name could it be.


2003 Nissan Xterra 4x4 M1 HM 10w40
2001 Toyota 4runner 4x4 M1 0w40
2016 Yamaha YXZ1000R VR1 20w50

Re: My transmission makes greenish milky oil [Re: SuzukiGoat] #4465164
07/20/17 03:31 PM
07/20/17 03:31 PM
Joined: Dec 2016
Posts: 7,199
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 7,199
Waco, TX
What does the oil look like if you increase the frequency of the oil changes?


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: My transmission makes greenish milky oil [Re: Linctex] #4465173
07/20/17 03:35 PM
07/20/17 03:35 PM
Joined: Feb 2013
Posts: 534
Louisiana
SuzukiGoat Offline OP
SuzukiGoat  Offline OP
Joined: Feb 2013
Posts: 534
Louisiana
Oil was wired color at first change. First change at 50ish miles. Second at 200. Third around 600.

Wired every single time. Longer seems to make milkier oil.

I am in a 95% or greater environment


2003 Nissan Xterra 4x4 M1 HM 10w40
2001 Toyota 4runner 4x4 M1 0w40
2016 Yamaha YXZ1000R VR1 20w50

Re: My transmission makes greenish milky oil [Re: SuzukiGoat] #4465345
07/20/17 06:06 PM
07/20/17 06:06 PM
Joined: Dec 2004
Posts: 1,019
Florida /Texas
Mackelroy Offline
Mackelroy  Offline
Joined: Dec 2004
Posts: 1,019
Florida /Texas
The water pump normally has two seals, one separates water, the other oil , Id say that's where your issue is.

Happening on two different units of the same type(would be rare), so there must be a common defect.

Re: My transmission makes greenish milky oil [Re: SuzukiGoat] #4465591
07/20/17 09:33 PM
07/20/17 09:33 PM
Joined: Jun 2017
Posts: 172
New York
jeff78 Offline
jeff78  Offline
Joined: Jun 2017
Posts: 172
New York
It has to be some sort of fluid contamination. You said these are separate transmissions - do these have coolant/oil heat exchangers?

Re: My transmission makes greenish milky oil [Re: jeff78] #4465599
07/20/17 09:47 PM
07/20/17 09:47 PM
Joined: Feb 2013
Posts: 534
Louisiana
SuzukiGoat Offline OP
SuzukiGoat  Offline OP
Joined: Feb 2013
Posts: 534
Louisiana
Transmssions are isolated self co tained units with zero cooling. One shaft going in. Two shafts coming out.

Thing of it more as a divorced transfer case with a clutch.

Unless coolant were to leak into the engine. Which it isn't. Run down a four foot drive shaft. Penetrate a seal. Then a second seal. And then somehow mixed with the oil, fluid intrusion is impossible.

That's what makes it weird.


2003 Nissan Xterra 4x4 M1 HM 10w40
2001 Toyota 4runner 4x4 M1 0w40
2016 Yamaha YXZ1000R VR1 20w50

Re: My transmission makes greenish milky oil [Re: SuzukiGoat] #4465622
07/20/17 10:05 PM
07/20/17 10:05 PM
Joined: Oct 2005
Posts: 4,633
Atlanta
DuckRyder Offline
DuckRyder  Offline
Joined: Oct 2005
Posts: 4,633
Atlanta
Are those lubes what are specified...?

Wondering if the greenish is from yellow metals?

Are they both YXZ1000R Side by Sides?


Robert
  • 2007 Toyota Prius Touring
  • 2005 Honda Civic Sedan
  • 1972 Ford F100
Re: My transmission makes greenish milky oil [Re: SuzukiGoat] #4466054
07/21/17 10:25 AM
07/21/17 10:25 AM
Joined: Jun 2017
Posts: 172
New York
jeff78 Offline
jeff78  Offline
Joined: Jun 2017
Posts: 172
New York
Originally Posted By: SuzukiGoat
Unless coolant were to leak into the engine. Which it isn't. Run down a four foot drive shaft. Penetrate a seal. Then a second seal. And then somehow mixed with the oil, fluid intrusion is impossible.


Beats me then. You could have an oil analysis done on the green milkshake to see what's in it.

Does the stuff smell like engine oil, or something else?

What's the history behind these? Purchased new (known history), or secondhand?

Re: My transmission makes greenish milky oil [Re: DuckRyder] #4466265
07/21/17 01:48 PM
07/21/17 01:48 PM
Joined: Feb 2013
Posts: 534
Louisiana
SuzukiGoat Offline OP
SuzukiGoat  Offline OP
Joined: Feb 2013
Posts: 534
Louisiana
Both new yxz1000r units.

Fluids both meat specs. One is the manufacturer's fluid of choice.

Oil smells... Like old oil. Not burned. But like a greasy mechanic shop.

Both units are working perfectly. Just an oddity.

Will send the yamalube off in 1000 miles or so.


2003 Nissan Xterra 4x4 M1 HM 10w40
2001 Toyota 4runner 4x4 M1 0w40
2016 Yamaha YXZ1000R VR1 20w50

Re: My transmission makes greenish milky oil [Re: SuzukiGoat] #4467695
07/23/17 05:24 AM
07/23/17 05:24 AM
Joined: May 2012
Posts: 5,684
Fort Lauderdale, FL
DoubleWasp Offline
DoubleWasp  Offline
Joined: May 2012
Posts: 5,684
Fort Lauderdale, FL
These getting driven through the wet by any chance? Sounds like classic water contamination from being driven through wet terrain.


07 Lincoln Navigator M1 0w-40/FU
68 Charger R/T / Supercharged 440 VR1/DBL7349
07 Ram 3500 4x4 / Cummins 6.7 /DBL7349
17 Maserati GranTurismo Cabrio
Re: My transmission makes greenish milky oil [Re: SuzukiGoat] #4468552
07/23/17 11:33 PM
07/23/17 11:33 PM
Joined: Jul 2003
Posts: 2,422
MN
tmorris1 Offline
tmorris1  Offline
Joined: Jul 2003
Posts: 2,422
MN
Clutch material probably


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