PeachParts Mercedes-Benz Forum
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PeachParts Mercedes-Benz Forum (http://www.peachparts.com/shopforum/)
-   Tech Help (http://www.peachparts.com/shopforum/tech-help/)
-   -   190e 2.6 Transmission Removal from Pick n Pull Advice Needed (http://www.peachparts.com/shopforum/tech-help/362872-190e-2-6-transmission-removal-pick-n-pull-advice-needed.html)

Zulfiqar 12-10-2014 12:35 PM
Quote:
Originally Posted by liquiddog (Post 3417490)
Question... Because I couldn't get the transmission out of park (no keys) I was not able to rotate the driveshaft. It made the top bolt on the front flex disc inaccessible. What we figured out to do was pull off anything preventing the drive shaft from coming down, drop the transmission down, and pull apart the driveshaft. Once it was in two pieces, the top of the flex disc was easy to access.

So my question is... What is the point of the giant nut on the center driveshaft? I thought it was to keep the two pieces from coming apart?
to unlock the shifter you can pop out the linkage shaft and move the manual valve lever on the transmission by hand. You need to anyway to remove trans from car.

the gland nut is there to provide a friction on the spline joint as its not a wildly moving part and the spline joint on MB is split, Tighten to about 20 lb/ft - which aint that tight for that large of a nut.

liquiddog 12-10-2014 04:20 PM
I did wonder if I could move the shift lever by hand when detached, but I was worried I may mess something up. That's very good to know.

It wasn't really difficult to slide out by hand, but we weren't exactly treating it like a delicate flower either. If you have to put that nut on after the two pieces are together, how do you torque it? I remember it being a huge 12 point nut. Even if I remember wrong, I've never seen a crowsfoot wrench that big...

Zulfiqar 12-10-2014 06:04 PM
You can buy the crows foot wrench that size - advance auto also sell it, you can also use a toilet wrench if you wish, the nut is there to "somewhat" provide a small friction so that the shaft does not quickly slide on the splines. It should slide but with some effort - thats the idea.

You can also use a chain wrench or even a rubber band oil filter tool on it.

You can move the manual valve all day long with your hands and nothing will happen - however you only need tomove it one detent to get in reverse.

liquiddog 12-10-2014 07:27 PM
I'm getting close to tearing into this thing. I've read through the ATSG manual, the FSM, and watched a DVD of a 722.3 rebuild. I'm going for cleaning out the valve body as well. I'm leaning towards only getting steels if they aren't in spec. The guy in the video just sorta buffs the junk off them.

liquiddog 12-13-2014 02:26 PM
I didn't notice before but I guess the rumors are true. Pick n Pull places like to punch a hole in the pan to drain it. I was thinking maybe a nut and bolt with coper washers to seal it? I can always use the existing pan on the car now for final installation...

Zulfiqar 12-15-2014 04:47 PM
dont risk the nut bolt setup, use your good pan on the used transmission. It takes a few minutes to install anyway.


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