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PHOTO DIY- 722.6x TRANSMISSION FLUID CHANGE
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Posted 8/19/2007 4:52 PM
G-AMG
G-Class DIY Host




Date registered: May 2006
Location: South Texas
Vehicle(s): '04 G55, '80 280GE, '99 S420, '98 E320, 2011 E350
1000
PHOTO DIY- 722.6x TRANSMISSION FLUID CHANGE

Greets,

As I have posted in the past, DB has changed their mantra about the "sealed for life concept", on the new vehicles which have the 722.6X transmission.

Not to re-hash an old topic of "change or don't change", but this post is just meant for those who DO believe in changing the fluid. My target has always been 40,000 mile intervals.

I AM IN NO WAY PROMOTING GOING AGAINST WHAT IS IN YOUR OWNERS' MANUAL. YOU DO WHATEVER THE SPIRIT LEADS YOU. YOU MUST CONSIDER THE POSSIBLE REPERCUSSIONS SUCH AS WARRANTY VOID, ETC.

ONE NOTABLE THING ABOUT THIS PROCEDURE IS THE STRICT ADHERENCE TO "SURGICAL-LIKE" CLEANLINESS AT ALL STEPS, AND METICULOUS CARE TO NOT OVER OR UNDER-FILL THE TRANSMISSION. APPARENTLY, THESE BOXES ARE VERY SENSITIVE TO ANY DEGREE OF CONTAMINATION OR IMBALANCED FLUID LEVELS. IF YOU OVERFILL, YOU NEED TO SIPHON OUT EXCESS.

I opted for the "new" type fluid, designed for the new 7-Speed boxes. I had a long discussion with one of the engineers at MotherShip Montvale, who confirmed that the use of the "New" fluid- A.001.989.45.03.10 (which is also only 1/2 the cost of the "old" fluid A.001.989.21.03.10) IS ALLOWED!!



The usual CYA blah, blah stuff. I am not claiming any expertise. I make no bones about it, I am a novice mechanic. My projects are based on my interpretation of the WIS procedures, and/or outside sources. Do work at your own discretion.



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#86242
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Posted 8/19/2007 5:00 PM
CaptnPete

Date registered: Dec 1899
Location:
Vehicle(s):
Re: PHOTO DIY- 722.6x TRANSMISSION FLUID CHANGE

I have been told by some very knowledgeable people, that one of the reasons MB decided to make the fluid non-changeable was for the exact reason that they were concerned of the requirements of absolute cleanliness in the procedure. Not too many shops can be relied upon to use such a careful approach.
#86243 - in reply to #86242
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Posted 8/19/2007 5:05 PM
DUTCH
Administrator Doppelgänger




Date registered: Apr 2006
Location: US, GA, Atlanta
Vehicle(s): 2015 Audi Q7 3.0 TDI,2018 Sprinter
Posts: 9963
5000
RE: PHOTO DIY- 722.6x TRANSMISSION FLUID CHANGE

Good job. The photos help a lot in making it easier to see and understand than it was with my words only procedure published a couple of years ago.

One point. Many of the transmissions did not have the magnet. Get one and put it in there, if yours doesn't have one.
#86245 - in reply to #86242
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Posted 8/19/2007 8:08 PM
Jonathan Joseph
Expert




Date registered: Oct 2006
Location: Charleston, South Carolina
Vehicle(s): 2004 G55
Posts: 1538
1000
RE: PHOTO DIY- 722.6x TRANSMISSION FLUID CHANGE

You could be a Hazet poster boy!

Jonathan
#86253 - in reply to #86242
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Posted 8/20/2007 4:14 PM
hipine



Date registered: Jul 2006
Location: US, CO, Bailey
Vehicle(s): 460 1980 280GE w. 617A
5000
No ill wishes, mind you,

....but if you don't have a son, or interested daughter, to leave all those nice tools to when you croak from the carcinogens in transmission fluid, you can write me into your will any time.  

Does that little red button on the little torque wrench pop up when you get to the proper torque?

Also always a good idea to wear something like nitrile exam gloves on these jobs.  I never bothered until I started working in medical device manufacturing where I can't go onto the manufacturing floor with hands that look like I maybe changed a diesel starter last night.  But after starting to wear them, I keep a generous supply on hand now.  MAN do they save on the clean-up time, not to mention keeping the icky stuff out of your system....I don't remember where I saw it but some doctor  or other talking about what we absorb through our skin ended with the idea, "if you wouldn't eat it, don't put it on your skin."  Me, I just like the easy clean-up.

Beautiful write-up, BTW.

-Dave G.

#86383 - in reply to #86242
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Posted 8/20/2007 4:28 PM
G-AMG
G-Class DIY Host




Date registered: May 2006
Location: South Texas
Vehicle(s): '04 G55, '80 280GE, '99 S420, '98 E320, 2011 E350
1000
Re: PHOTO DIY- 722.6x TRANSMISSION FLUID CHANGE

Hipine,
Thanx for the concern. Yes, I am intimately schooled in the effects of petrochemicals on the human "machine". If you notice, anytime I am in contact with the oil, I DO have gloves on.

Yes, the Torque wrenches have Audible, Tactile, and Visual (the red button popping up) indications of endpoint.

And the "will" deal???? Hmmmm, I think you'll have to arm-wrestle my boys for the ill-gotten booty.

Cheers!
#86391 - in reply to #86242
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Posted 8/21/2007 1:38 PM
Jonathan Joseph
Expert




Date registered: Oct 2006
Location: Charleston, South Carolina
Vehicle(s): 2004 G55
Posts: 1538
1000
RE: PHOTO DIY- 722.6x TRANSMISSION FLUID CHANGE

When I was a mechanic, ( Ending 14 years ago) we always wore gloves, when getting greasy/oily. It sure does make cleanup easier and yeah cancer isn't fun either.
We never heard the end of it from other mechanics in the neighborhood though, what a bunch of sissies we were....

The guys next door used to wash their hands in the parts washer before going to lunch! One of them died at like 55 from kidney failure....wonder why?

Jonathan
#86514 - in reply to #86242
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Posted 8/21/2007 2:24 PM
hipine



Date registered: Jul 2006
Location: US, CO, Bailey
Vehicle(s): 460 1980 280GE w. 617A
5000
one of my favorites....

Q:  How do you tell a young mechanic from an old mechanic?

A:  The young mechanic ALWAYS washes his hands after going to the bathroom.  The old mechanic always washes his hands BEFORE going to the bathroom. 

-Dave G.

#86516 - in reply to #86514
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Posted 12/4/2012 3:36 AM
jmr89



Date registered: Nov 2012
Location: France
Vehicle(s): Class G W463 320Cab V6 >>Ancien 230 GE Cab 1990
100
Re: PHOTO DIY- 722.6x TRANSMISSION FLUID CHANGE

Thank you great!!!
#209433 - in reply to #86242
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Posted 3/24/2015 3:43 PM
jmr89



Date registered: Nov 2012
Location: France
Vehicle(s): Class G W463 320Cab V6 >>Ancien 230 GE Cab 1990
100
Re: PHOTO DIY- 722.6x TRANSMISSION FLUID CHANGE

hello

How would one drain the torque converter on the 722.6?????

Thank you explain please

on the converter no drain plug

this room must be replaced

Edited by jmr89 3/24/2015 3:51 PM




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#227405 - in reply to #86242
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Posted 3/25/2015 12:36 PM
G-AMG
G-Class DIY Host




Date registered: May 2006
Location: South Texas
Vehicle(s): '04 G55, '80 280GE, '99 S420, '98 E320, 2011 E350
1000
Re: PHOTO DIY- 722.6x TRANSMISSION FLUID CHANGE

jmr89

After a certain year, there are NO Drain plugs. You just have to look. Also, your profile does not show what year your trucks are.

And, Yes! I Always change the Electrical Plug, with each Transmission Service.
#227430 - in reply to #86242
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Posted 3/26/2015 3:46 AM
jmr89



Date registered: Nov 2012
Location: France
Vehicle(s): Class G W463 320Cab V6 >>Ancien 230 GE Cab 1990
100
Re: PHOTO DIY- 722.6x TRANSMISSION FLUID CHANGE

thank you
signature WDB 4632501X145482

therefore no possibility of draining the converter
#227454 - in reply to #86242
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Posted 3/26/2015 9:02 AM
G-AMG
G-Class DIY Host




Date registered: May 2006
Location: South Texas
Vehicle(s): '04 G55, '80 280GE, '99 S420, '98 E320, 2011 E350
1000
Re: PHOTO DIY- 722.6x TRANSMISSION FLUID CHANGE

jmr,

What "I" do in this case (my G55- NO Drain Plug), is Do the Oil/Filter change (which is ca. 5 Quarts) drive the truck 1,000 miles, or so, then *REPEAT*.

Doing this every 30,000 miles? I've had zero problems.
#227458 - in reply to #86242
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Posted 3/27/2015 4:13 PM
jmr89



Date registered: Nov 2012
Location: France
Vehicle(s): Class G W463 320Cab V6 >>Ancien 230 GE Cab 1990
100
Re: PHOTO DIY- 722.6x TRANSMISSION FLUID CHANGE

OK

>>See converter
#227481 - in reply to #86242
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Posted 3/30/2015 11:59 AM
jmr89



Date registered: Nov 2012
Location: France
Vehicle(s): Class G W463 320Cab V6 >>Ancien 230 GE Cab 1990
100
Re: PHOTO DIY- 722.6x TRANSMISSION FLUID CHANGE

jmr89 - 3/24/2015 3:43 PM

hello



this room must be replaced



________________________________


Drain the box ??? before changing the electrical outlet ?????

thank you



Edited by jmr89 3/30/2015 12:00 PM




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#227514 - in reply to #227405
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Posted 4/27/2015 3:22 AM
jmr89



Date registered: Nov 2012
Location: France
Vehicle(s): Class G W463 320Cab V6 >>Ancien 230 GE Cab 1990
100
Re: PHOTO DIY- 722.6x TRANSMISSION FLUID CHANGE

Made drain level Ok
thank you for all your advice
#227840 - in reply to #86242
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Posted 4/27/2015 1:39 PM
G-AMG
G-Class DIY Host




Date registered: May 2006
Location: South Texas
Vehicle(s): '04 G55, '80 280GE, '99 S420, '98 E320, 2011 E350
1000
Re: PHOTO DIY- 722.6x TRANSMISSION FLUID CHANGE

jmr89 - 4/27/2015 3:22 AM

Made drain level Ok
thank you for all your advice


Always Happy to Help!!
#227845 - in reply to #227840
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