Hey guys I'm a long time lurker and this is my first post. I have an issue with my 86 300SDL 722.3 trans. it's leaking from a plug behind the shift lever module (driver side). It's not from the actual shift lever seal. It looks like a Steel plug that's flush with the transmission case (rusty). Fluid is weeping out slowly and making it seem like the rear of the trans is leaking. here's a picture. Any help on how to seal it would be greatly appreciated.

Thank you
Ryan

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Been there done that but with tranny in car. Much more difficult than yours with it on the bench.

http://www.peachparts.com/shopforum/diesel-discussion/279898-300sdl-tranny-fluid-leak.html

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Not MBZ nor A/C trained professional but a die-hard DIY and green engineer. Use the info at your own peril. Picked up 2 Infractions because of disagreements. NOW reversed.

W124 Keyless remote, PM for details. http://www.peachparts.com/shopforum/mercedes-used-parts-sale-wanted/334620-fs-w124-chasis-keyless-remote-%2450-shipped.html

1 X 2006 CDI
1 x 87 300SDL
1 x 87 300D
1 x 87 300TDT wagon
1 x 83 300D
1 x 84 190D ( 5 sp ) - All R134 converted + keyless entry.

Aw thanks so much !!! i just grabbed that picture from the internet. My trans is mounted on the car so it looks like im going to collect all the o-rings i need to do while im already in there ill do the Bowden cable oring and whatever other O ring i can change. I dont feel like pulling the valve body out over and over.

Thanks a bunch. Looks like Im going back into the trans for a deep dive...

OH LORD. cant wait for the day i have an electric car without a darn trans.

*sigh* the battles i do to not have to smog a car in So cal !!!