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Old 06-06-2002, 01:38 PM   #1
Kha0S
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Member#: 8808
Join Date: Jul 2001
Chapter/Region: NESIC
Location: Grantham, NH
Vehicle:
2011 WRX (DGM 5D)
2002 WRX/2003 SVTF

Arrow Oil analysis on my destroyed 4EAT

Fluid came back with elevated Fe, Pb, and Al, and elevated oxidation, but is still "suitable for continued use."

I'll post the detailed report tomorrow when I get into the office.

Cheers,

/Andrew
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Old 06-06-2002, 02:48 PM   #2
RiftsWRX
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Join Date: Apr 2001
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Location: Glendale Hts, IL, USA
Vehicle:
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'07 Honda FIT sport (5MT)

Default Re: Oil analysis on my destroyed 4EAT

Quote:
Originally posted by Kha0S
Fluid came back with elevated Fe, Pb, and Al, and elevated oxidation, but is still "suitable for continued use."

I'll post the detailed report tomorrow when I get into the office.

Cheers,

/Andrew
Thanks bud!

Jorge (RiftsWRX)
www.ProjectWRX.com
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Old 06-06-2002, 04:33 PM   #3
Willman67
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Member#: 3439
Join Date: Jan 2001
Location: Houston,Texas (state and count
Vehicle:
2001 Chevy 2500HD
Mean Green Machine

Default what happened?

How did your 4eat frag? I'm curious about the circumstances.....or did I miss a post?

I used to us a "total analyzer" when I worked at DuPont/Conoco oil which gave a total elemental breakdown in oils...you could tell so many things about fleet maintenence and failure prediction!

Wm
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Old 06-07-2002, 09:51 AM   #4
Kha0S
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Member#: 8808
Join Date: Jul 2001
Chapter/Region: NESIC
Location: Grantham, NH
Vehicle:
2011 WRX (DGM 5D)
2002 WRX/2003 SVTF

Default

Willman -- you missed a post. Search for 4EAT and kaboom.

Here's the detailed analysis:

Date: 5/22/2002
Component: 41200/M
Oil: 3400/M
Oil Chng: Y
Glycol: Neg
Water %: < 0.05
Viscosity: 40*C: NA
Viscosity: 100*C 5.3
Solids %: TR
Oxd %: 31.1
Nox %: 4.3
TAN: 0.36

(in ppm)
Fe: 70
Pb: 25
Cu: 14
Sn: 2
Al: 27
Ni: 3
Mn: 4
Si: 23
B: 36
Na: 7
Ca: 237
P: 487

All other values were either 0 or N/A.



20020528006 -- Results of tests performed indicate:

Wear metal(s) underlined are elevated
Oxidation elevated
Oil is suitable for continued use
Resample at next regular interval



.................................................. ..


According to this, it seems that my fluid was just fine, and that heat failure was, most likely, not the reason why my 4EAT failed.

The elevated wear metals aren't particularly enlightening since this was the fluid inside the tranny when it all went, but the oxidation level, commonly very high with heat damage, is still within the operable range.

Hope this helps any of you hardcore 4EATers prevent similar destruction of your gears. Big thanks go out to Jorge (RiftsWRX) for the sampling kit to get this data.

Later all,

/Andrew
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Old 06-07-2002, 12:32 PM   #5
WRX_02_227
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Location: PA
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2002 WRX, 2015 WRX
2011 BMW 135i

Default

Maybe the gears were defective or weak. Would showing the oil anaylsis to Subaru do any good?
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