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Link to Blackstone Analysis

This is the Factory ATF fill from September of 1995 and over 75,000 miles ago.

Keep in mind this is a "lifetime fill" on a "sealed transmission."

Live and learn.


Last edited by RogerB; 12/20/05 10:23 PM.

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That SUS viscocity rates as a 15W oil. (spec is a 40W - synthetic)

Not surprising the wear metals are off the charts.


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Wow. This is great information. THanks.

The values look high but then if it has never been flushed and all that from break in is still there then you'll really have to run the fluid again and see the comparison I guess.


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Link not working


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Originally posted by DemonSVT:
That SUS viscocity rates as a 15W oil. (spec is a 40W - synthetic)

Not surprising the wear metals are off the charts.




Actually, spec was and still is for ATF.

I know, I know. The Ford Honey is "recommended" for all years, but if you read the TSB carefully, it's not "required" for the early MTXs. (XT-M5-QS is required in vehicles built after 1 Jan 2000, and recommended/compatible with earlier units.)

Anyway, you're probably right. Just for comparison, here's some viscosity specs on new oil.

My 10-year old ATF: 44.5

RP Syncromax: 52

RP Max ATF: 63.2

RP 15W40 Motor oil: 79


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Originally posted by jtour:
Link not working




Not for me, either, this morning. Probably a traffic issue?

I'll try to post the numbers later today.


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EQUIPMENT MAKE: Transmission
EQUIPMENT MODEL: Ford Manual
FUEL TYPE: Not Applicable
OIL USE INTERVAL: 75,335 Miles
OIL TYPE & GRADE: Manual Transmission Fluid
MAKE-UP OIL ADDED: 0 qts

-------------------------------------

ROGER: The high wear metals are not unusual finds in the oil from a new transmission. Lead is
coming from marking compound used at the factory, and it should mostly wash out with this oil change
or possibly the next one. Copper is left over from new parts wearing in and should also improve nicely
with the next oil change. Universal averages show typical wear metals for an oil from this engine after
about 20,000 miles use. Insolubles read at 0.1%, which is fine for a manual transmission. No
contaminants found. Check back to see improvements.

-------------------------------------
Element: tested/universal averages

ALUMINUM: 26/18
CHROMIUM: 1/2
IRON: 133/140
COPPER: 85/15
LEAD: 146/1
TIN: 0/1
MOLYBDENUM: 5/13
NICKEL: 1/0
MANGANESE: 14/4
SILVER: 0/0
TITANIUM: 0/0
POTASSIUM: 5/0
BORON: 27/126
SILICON: 18/27
SODIUM: 7/13
CALCIUM: 34/338
MAGNESIUM: 72/50
PHOSPHORUS: 576/493
ZINC: 288/130
BARIUM: 3/3

---------------------------------------

INSOLUBLES: 0.1%
FLASHPOINT IN �ºF: 400
SUS VISCOSITY @ 210 �ºF: 44.5



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Originally posted by RogerB:


Keep in mind this is a "lifetime fill" on a "sealed transmission."







What says that? Guess it doesn't matter because common sense would tell you otherwise. Their are seperate fill and drail holes. The SHO doesn't even have a drain hole. You have to have it syphoned out or drill a hole like I did in the bottom and insert a brass plug.


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Originally posted by RogerB:


ROGER: The high wear metals are not unusual finds in the oil from a new transmission. Lead is
coming from marking compound used at the factory, and it should mostly wash out with this oil change
or possibly the next one. Copper is left over from new parts wearing in and should also improve nicely
with the next oil change. Universal averages show typical wear metals for an oil from this engine after
about 20,000 miles use. Insolubles read at 0.1%, which is fine for a manual transmission. No
contaminants found. Check back to see improvements.






...a trans oil can only come from one source...the
plain bushings that the stoc shft forks slide on.No
other component is copper or lead.Lead marking/meshing
fluid is not used on the assembly of an MTX,(as
opposed to a stoc 'rear end' meshing check)the meshing
on an MTX is fixed as the crown wheel,input & output
shaft positions are fixed in the cases...FWIW!



...high miles MTX's that have run from day one on ATF
has been,in 9 out of 10 cases,that the shift forks are
very tight/stiff on the shift rods(Vs a new stoc
fork),this leads me to think that long term exposure
to ATF fluids causes the lead based shift fork
bearings to 'grow' and become tight on the shafts and
maybe 'shed' some of the lead during operation when
stiff.To take lead and copper out of the MTX is done
when I fit slick shift forks,the bearings are all
steel roller type....FWIW!!!


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Originally posted by todras:
Originally posted by RogerB:


Keep in mind this is a "lifetime fill" on a "sealed transmission."







What says that? Guess it doesn't matter because common sense would tell you otherwise. Their are seperate fill and drail holes. The SHO doesn't even have a drain hole. You have to have it syphoned out or drill a hole like I did in the bottom and insert a brass plug.




Why is common sense so uncommon?

I admit I made a mistake. I got it from various sources that this MTX did not ever need a fluid replacement. Worse, I believed them, just like I believed at one time that the engine didn't need a tune-up until 100,000 miles.

Also, since I wasn't "modding" my tranny or doing a bunch of cutting edge experiments, I didn't pay much attention to the transaxle forum.

Anyway, as long as I'm in this situation, I might as well get and share some useful info.


Function before fashion. '96 Contour SE "Toss the Contour into a corner, and it's as easy to catch as a softball thrown by a preschooler." -Edmunds, 1998
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