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Old 03-03-2012, 11:54 AM   #11
katmat
 
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Default Re: Change Leaky Transmission Connector

Thanks for the pictures & info. I had a leak right after changing the trans fluid. I figured it was the pan gasket, it wasn't. I ordered the O ring & connector, w/ the pictures & write up it went EASY!
Thanks,
Matt Murphy
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Old 03-11-2012, 08:52 PM   #12
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Default Re: Change Leaky Transmission Connector

I just did the transmission connector and full service ie: changing the trans fluid and filter, It was relatively straight forward, I did however find it necessary to loosen the trans mount bolts and pry the transmission up just a bit to get the pan off and on.

when doing the connector I was able to jiggle it off and then re-install the new one by pulling it down and jiggling it a bit to get it to seat , then tightening the 7mm bolt down, all,s well,

thank you all for all the info.

freeman
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Old 03-15-2012, 09:38 PM   #13
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Default Re: Change Leaky Transmission Connector

So about 5 months ago I installed a new connector. I noticed now it has developed a small leak. My question is can I clean it and tighten it down or do I have to replace the whole thing since it may be contaminated with fluid??
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Old 03-16-2012, 12:01 AM   #14
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Default Re: Change Leaky Transmission Connector

Quote:
Originally Posted by mawsea View Post
So about 5 months ago I installed a new connector. I noticed now it has developed a small leak. My question is can I clean it and tighten it down or do I have to replace the whole thing since it may be contaminated with fluid??
Did you replace the connector socket liner, or the male part of the connector (w/ external wires going to the TCM under the driver's seat)?
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Old 03-16-2012, 12:30 AM   #15
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Default Re: Change Leaky Transmission Connector

I replaced both parts.
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Old 03-16-2012, 12:39 AM   #16
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Default Re: Change Leaky Transmission Connector

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Originally Posted by mawsea View Post
I replaced both parts.
If the plug is leaking at the wires, then I would at least replace that part (w/ new wires) since failure there could result in transmission fluid being transported to the TCM underneath the wire insulation.
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Old 03-16-2012, 01:02 AM   #17
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Default Re: Change Leaky Transmission Connector

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Originally Posted by mawsea View Post
I replaced both parts.
I take that back, I only replaced the transmission adapter plug housing. If that makes a difference? I'll look for ATF fluid traveling up the wires.
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Old 03-16-2012, 01:15 AM   #18
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Default Re: Change Leaky Transmission Connector

So, if the part you changed is leaking again, I would conclude that it is defective or wasn't installed correctly. I would install a new one. For comparison, mine was changed by a Dodge dealer at 55k miles and has not leaked since.
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Last edited by talkinghorse43; 03-16-2012 at 01:18 AM.
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Old 04-01-2013, 02:37 PM   #19
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Default Re: Change Leaky Transmission Connector

I've been noticing tiny puddles of trans fluid on my garage floor for the past month and so I decided to do this today. I was expecting the worst after reading everyones experiences but, to my surprise, everything went like clockwork and I had it all done in 15 mins!

The old connector came right out with no effort at all (O rings included) and all I had to do was tap the new one in the last 1/8" very gently using a small piece of wood and it went right in. I ended up adding 200 ml of trans fluid to bring it up to the 80c mark @ 175f engine water temp on the dipstick.

Thanks to all for this writeup!
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Old 06-13-2013, 02:27 AM   #20
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Default Re: Change Leaky Transmission Connector

An old thread, but served me well today, and I must give credit to abittenbinder and jmoller99 for their excellent tips on what to watch for, aligning the socket, and especially using a small block of wood to tap the new socket in.

It took me about an hour to do mine, (and that is on my hoist), so kudos to you all who did it in less time with your Sprinter on the ground.

When done, I added almost a liter of oil, so I lost quite a bit yet the transmission appeared to be functioning just fine.

As for that connector and socket, as I was working on this job, I couldn't for the life of me think of the rationale for Mercedes engineers to go to make such a complicated connector.

On a positive note, it is fortunate they made it readily accessible.

Thanks again to those who go out of their way to share their experiences and help others on this forum.
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