Photo DIY- 722.6 Conductor Plate and Regulator Valve Spring R/R - Mercedes-Benz Forum
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#1 (permalink) Old 10-03-2009, 06:59 PM
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Photo DIY- 722.6 Conductor Plate and Regulator Valve Spring R/R

Uuuug...

A well know problem to us all.... Failure of the "Electronics Pack/Conductor Plate"....

With 2 other MB with the 722.6 box, I've "always" noticed a "Difference" in the way the E320 shifted.. Even straight out of the Sindelfingen plant... "A different thrust/weight ratio??".. who knows...

Well the Human self-defense mechanism of "Denial" is quite strong.... After having a progressively more "noticeable" shifting between 1->2, and 2->3.... "Well, I'll reset the computer".... It is slightly better for "awhile"... then Yuck. "Well I say (again) to myself.... OhLord *DID* say the new 722.9 fluid causes a harsher shift...""

My bubble of Denial burst the other day... Going to work... at a stop sign, hit the gas... VVRROOMMM... but am NOT MOVING!! Ok, let's try reverse... VVROOOMMM

Oh.... Sh.....ugar!! A $5,000 trany needed!!

After a "reset" I get home, and hook my Baby up to my new "toy" STAR Compact3.

Since I have the diagnostic skill of a Temple Monkey... I use my "Mechanic in a Laptop" to take my hand and guide me down the diagnostic tree to determine my "Speed Sensor #3" is "Intermittently" failing.. So, I'll change it out.

Thus, the post.

Here is a list of needed Parts:

8 quarts of the "new" MB fluid 001-989-68-03-10
Filter 140-277-00-95
Pan Gasket 140-271-00-80
Lock Clip 140-991-00-55
Trans Pan Drain Washer 140-271-00-60
Torque Converter Washer N 007603010100
Conductor Plate/"Electronics Pack" 140-270-11-61
"Updated" Connector Bushing 203-540-02-53
Pressure Regulator Spring (Yes, those Idiots at MB change out the WHOLE Valve body, rather than the stupid $8 spring-- thus, NO MB number) Sonnax 68942-01 You should be able to get it at your local Transmission Supply house.

Like the WIS warns.. "Even a Speck of Foreign Material can Cause **FAILURE** of the Transmission"---- So BE WARNED!! Absolutely METICULOUS Cleanliness must be observed... I LITERALLY wore surgical garb, so no Hair, no NOTHING would inadvertently fall into the valve body... and I did the work on a sterile surgical drape.. Overkill?? Perhaps... but that's just me...

Of course, "usual" safety procedures must be observed. If you don't know what that means... then this job is NOT for you.. Do work at your OWN RISK!!

Cheers,
G
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Last edited by G-AMG; 10-03-2009 at 07:13 PM.
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#2 (permalink) Old 10-03-2009, 07:01 PM
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#3 (permalink) Old 10-03-2009, 07:03 PM
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#4 (permalink) Old 10-03-2009, 07:04 PM
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#5 (permalink) Old 10-03-2009, 07:05 PM
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#6 (permalink) Old 10-03-2009, 07:23 PM
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Thanks, G-AMG, for another excellent DIY.

Although there are separate DIYs for either the spring or the conductor plate, yours is the most detailed for both.

I have added this thread to both the Transmission Sticky and also the 722.6 Transmission FAQ.

Thanks again.
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#7 (permalink) Old 10-03-2009, 08:39 PM
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How many different ways can someone say, "WOW"?

Very impressive, G. Not just that you do it, of course, but you do it
with such precision and, of course, stop to take pictures and then
annotate them for others.

I see stuff like this and the below comes to mind.

While I'm sure you're much better looking and certainly a nicer guy,
please substitute your likeness and moniker for that of Mr. Cooper
as you enjoy this small token of my esteem...


Socialism is a philosophy of failure, the creed of ignorance, and the gospel of envy; its inherent virtue is the equal sharing of misery. (Winston Churchill)
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#8 (permalink) Old 10-03-2009, 09:18 PM
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Fancy funnel! Never seen that before.

"Elitist snobs talking about elitist snobs on an elitist circlejerk forum... " -Fergie

"And you may find yourself behind the wheel of a large automobile" -Once In a Lifetime, Talking Heads

"...and now you know...the rest of the story." -Paul Harvey
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#9 (permalink) Old 10-03-2009, 11:04 PM
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Quote:
Originally Posted by j99xj View Post
Fancy funnel! Never seen that before.
You'll see lots of neat and fancy things in G-AMG's DIY posts. I'm trying to figure out if that is a Hazet mirror.
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#10 (permalink) Old 10-04-2009, 02:09 AM
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Woaw... Nice clean explanation G-AMG, and so detailled.

Is there no way of just changing a single component/ sensor in the conductor plate? You need to change it all for one sensor?
Cheers.
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